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Oracle - SQL - Update Statement
 
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Oracle - SQL - Update Statement Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Anadi Sharma, Tutorials Point India Private Limited.
DML Processing in an Oracle Database -  DBArch Video 8
 
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This video explains the steps involved in processing a DML statement in an Oracle Database Server. Our Upcoming Online Course Schedule is available in the url below https://docs.google.com/spreadsheets/d/1qKpKf32Zn_SSvbeDblv2UCjvtHIS1ad2_VXHh2m08yY/edit#gid=0 Reach us at [email protected]
Views: 47545 Ramkumar Swaminathan
SQL Update Statement using Example in Oracle 11g Database
 
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SQL tutorial for beginners in hindi and english SQL Update Statement using Example in Oracle 11g Database
UPDATE STATEMENT WITH JOIN IN ORACLE SQL
 
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This video demonstrates how user can update data of a particular table(t1), based on the join condition with other table(t2). So it would be a easy way to ditch the for-loop, and check for the condition every time. What was to be achieved from the for-loop can be achieved with a single simple update statement. A simple trick to update data in table based on some conditional data in some another table, would help you to increase the performance of your code massively. For ex : UPDATE TABLE1 t1 SET COL1 = (SELECT COL FROM TABLE2 t2 where t1.col = t2.col);
Views: 2819 Kishan Mashru
Oracle Tutorial - Update Statement
 
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Oracle Tutorials for beginners - Update Statement
Views: 28 Tech Acad
Merge Statement in Oracle SQL with Example (UPDATE/DELETE or INSERT)
 
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This video demonstrates how to write a Merge Statement in oracle sql, how it is useful in doing a conditional update or delete or both of them when the condition between the target table and source table is evaluated to true, and how we can insert the record into the target table when condition is evaluated to false. The video also shows the use of UPDATE, DELETE and INSERT with Merge, and also the various possible ways to use a Merge statement!!!
Views: 7648 Kishan Mashru
Oracle SQL PLSQL 12C Tutorial 14 - UPDATE Statement
 
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This Video Tutorial Will Describe how to update a row or update column or update particular value which is already inserted into the table in oracle 12C version. This command will also work on other versions of database like Oracle 11g Database, Oracle 10g Database, Oracle 9i Database, Oracle 8i Database, Oracle 8 Database and so on. This command is used to update or modify the inserted data into the table. You can update single column, single row, multiple columns or multiple rows with this command. Full Syntax will be given in this video tutorial about how to update data in oracle database table. Along with the live example to update rows or columns from the table. All the keywords, format, mandatory clauses etc are described in this video.
Learn How to Update Data Rows using Update Statement in SQL
 
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Learn about using UPDATE statement in SQL. As the name suggests UPDATE statement is used to update the data rows in a table. The UPDATE statement can update one or multiple column values in single SQL statement. WHERE clause is used to specify the data row to be updated. UPDATE statement without WHERE clause will update all the data rows in the table. Any existing data rows or records in target table remain unaffected. Here are the examples UPDATE statements, UPDATE tablename SET column1 = newvalue; UPDATE tablename SET column1 = newvalue1, column2 = newvalue2 WHERE columnid = 3; Select the "school" database, "USE school;" Run a simple SQL statement to display all the data rows in students table using SQL statement, "SELECT * FROM students;" Here in this result set, take a look at studentid 1. Suppose we have accidentally added this student record under class first instead of second. And now we are going to update this row to change the class value from 'First' to 'Second'. We will use the SQL statement, "UPDATE students SET class = 'Second' WHERE studentid = 1;" Press enter to execute the statement and display all the data rows in 'students' table, "SELECT * FROM students;" And sure enough the class value for studentid 1 is changed from 'First' to 'Second'. Check out the whole playlist of SQL Tutorials or Individual video from the following links, SQL Tutorial for Beginners. Introduction to SQL Basics https://www.youtube.com/playlist?list=PLhwzZMYRiUErXXX0Ryud2R7RjesCEdTqi 1.Learn What is SQL? Introduction to SQL https://www.youtube.com/watch?v=ox6zUOKascs 2.Learn How to Install MySQL Database Server on Windows Operating System https://www.youtube.com/watch?v=vtnoWaydkEU 3.Learn What is Database? How to Create and Show Databases using SQL https://www.youtube.com/watch?v=-yJgWq6K_U8 4.Learn How to Select and Use Existing Database using SQL https://www.youtube.com/watch?v=QMViQ38SPxc 5.Learn How to Delete or Remove Database using SQL https://www.youtube.com/watch?v=wjEOZKvfH4c 6.Learn What is Database Table? How to Create a Database Table using SQL? https://www.youtube.com/watch?v=8SvtNIfzC4o 7.Learn How to Modify or Update Database Table using SQL https://www.youtube.com/watch?v=1he5oZzG33o 8.Learn How to Delete or Remove Database Table using SQL https://www.youtube.com/watch?v=JD87WvBist0 9.Learn How to Add Data Rows in a Table using SQL https://www.youtube.com/watch?v=UB-bQxAQbWg 10.Learn How to Use INSERT INTO SELECT Statement in SQL https://www.youtube.com/watch?v=U4ApxHF4R1g 11.Learn How to Update Data Rows using Update Statement in SQL https://www.youtube.com/watch?v=lE1BmNbFJdo 12.Learn How to Delete Data Rows using Delete Statement in SQL https://www.youtube.com/watch?v=1ViqX1tFgYM Subscribe to my channel: https://www.youtube.com/channel/UCvrq9OowoORTV5Gs_jpADhw
Views: 11882 PhpSword
The SQL UPDATE Statement
 
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This video tutorial covers how to update fields in a SQL database table, using the SQL UPDATE statement. More guides and tutorials: http://www.itgeared.com/.
Views: 32066 itgeared
4  merge statement
 
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Video from our Oracle SQL course. Check out the full course at.. http://learn.hackpress.co/courses/oracle-sql-learning-by-example
Views: 12430 etldeveloper
PL/SQL tutorial 3: SELECT INTO statement in PL/SQL by Manish Sharma RebellionRider
 
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How to initialize the variable by fetching values from the table of the database or by using SELECT INTO statement in PL/SQL by Manish Sharma RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/select-into-statement-pl-sql Previous Tutorial ► Variables: https://youtu.be/2MNmodawvnE ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 113832 Manish Sharma
Oracle SQL: How To Modify Data With The Update Statement by AskTheOracle.net
 
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How to modify data in your Oracle database by using the SQL UPDATE statement. For more Oracle tutorials go to http://www.asktheoracle.net
Views: 2681 asktheoracle1
OracleSQL#14 How to Update rows using Update Statement in Oracle SQL database
 
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In this Video, I am explaining How to update the table Rows using SQL developer In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/lrnwthr/ Twitter: https://twitter.com/LrnWthR
Views: 47 EqualConnect Coach
SQL for Beginners (Part 9) : The UPDATE Statement
 
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The ninth part of a mini-series of videos showing the basics of SQL. In this episode we take a look at some of the variations on the UPDATE statement. For more information see: https://oracle-base.com/articles/misc/sql-for-beginners-the-update-statement Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Frits Hoogland : Blog: https://fritshoogland.wordpress.com/ Twitter: https://twitter.com/fritshoogland Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 625 ORACLE-BASE.com
044-Oracle SQL 12c: Update statement part 1
 
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تعلم اوراكل حتى الاحتراف تعلم اوراكل من الصفر
Views: 1567 khaled alkhudari
SELECT statement Processing in an Oracle Database - DBArch  Video 7
 
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You will learn from this video how a SELECT statement is processed in an Oracle Database. You will learn about the a Parse, Execute and Fetch phases in a select statement. Our Upcoming Online Course Schedule is available in the url below https://docs.google.com/spreadsheets/d/1qKpKf32Zn_SSvbeDblv2UCjvtHIS1ad2_VXHh2m08yY/edit#gid=0 Reach us at [email protected]
Views: 20728 Ramkumar Swaminathan
The UPDATE statement in SQL
 
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Brief introduction to UPDATE statement in SQL.
Views: 280 Database by Doug
045-Oracle SQL 12c: Update statement part 2
 
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تعلم اوراكل حتى الاحتراف تعلم اوراكل من الصفر
Views: 1482 khaled alkhudari
Update Statement in Sql | Update in oracle | Update in Sql | Update Statement in Sql for Multiple
 
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ORACLE SQL TUTORIAL 4: SQL UPDATE STATEMENT
 
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คำอธิบาย
Views: 53 Manachai CHANNEL
How update multiple values of column with a single UPDATE statement in ms sql server
 
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Is there a way to update multiple columns in SQL server, I would like to update multiple columns in a table based on values,update multiple columns with a single UPDATE statement More @ http://goo.gl/VLYo0Q
Views: 21996 Ajmath Shaik
Oracle Database | Bangla Tutorials 18 :: Update Statement (Row Update in table))
 
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www.facebook.com/oracle.shohag Email : [email protected] Website : www.oraclebangla.com Topics : Update Statement (Row Update in table)
Views: 1069 Oracle Bangla
Database Tutorial 66 - SQL UPDATE Statement - Oracle DBA Tutorial
 
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Database Tutorial 65 - SQL UPDATE Statement - Oracle DBA tutorial, Oracle Database Tutorial This video explains about SQL UPDATE Statement
Views: 343 Sam Dhanasekaran
Oracle SELECT Statement and WHERE Clause | Oracle Tutorials for Beginners
 
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Oracle Tutorial for Beginners Oracle Tutorial for Beginners Oracle Database Introduction Oracle SQL Introduction How to retrieve data using SELECT statement SELECT and WHERE Clause in Oracle SELECT and WHERE Clause in Oracle SQL SELECT , INSERT ,UPDATE,DELETE IN Oracle SELECT IN ORACLE SELECT in oracle WHERE Clause in Oracle INSERT in oracle sql where clause multiple sql where and sql where like having clause in sql sql where clause multiple conditions sql where not equal sql update sql order by
Views: 532 Oracle PL/SQL World
SQL UPDATE Telugu - Learn How to Update Data Rows using Update Statement in SQL-vlr training
 
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For all sql videos in Telugu :http://www.vlrtraining.in/sql-training-videos-telugu/ In Telugu: SQL update statement How to Update Query in SQL SQL: using JOIN in UPDATE Query How to UPDATE from SELECT in SQL Server In English: download sql study material Website: http://www.vlrtrain.in/2016/09/download-sql-files.html Learn SQL SQL tutorial for beginners SQL commands oracle sql tutorial sql tutorial advanced mysql tutorial sql tutorial video SQL Tutorial, Tutorials SQL
Views: 1422 VLR Training
Oracle SQL The Update Statement تعليم أوراكل
 
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by Mohamed El Desouki - محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج How to update and modify existing data in a table. كيف تحدث بيانات موجودة فى الجدول Text Book: Fundamentals of Database Systems, 5th Edition, by Elmasri/Navathe, published by Addison-W oracle create table statement oracle drop table statement oracle constraints database constraints primary key constraint foreign key constraint check constraint null not null constraint unique constraint insert into statement update statement delete statement
PL/SQL tutorial 73: Bulk Collect with SELECT-INTO statement in Oracle Database
 
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RebellionRider.com presents a PL/SQL tutorial on how to use the BULK COLLECT clause with SELECT INTO statement in Oracle Database by Manish Sharma. In this tutorial, you will also learn how to overcome the overhead caused by context switch and improve the query performance. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/bulk-collect-2 Previous Tutorial ►Introduction to Bulk Collect: https://youtu.be/CrJSlf_m3yA ►PL/SQL Tutorial 51-Nested Table: https://youtu.be/EUYyiFCzU0I ►Collection Method Count:https://youtu.be/NNq80CcC5K8 ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 9041 Manish Sharma
Oracle Database11g tutorials 5:  how to retrieve Data Using SQL SELECT statement || SQL tutorials
 
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This SQL tutorial and Oracle database 11g tutorial for beginners will show how to retrieve data using SQL SELECT statement. Tool used in this tutorial is SQL developer. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 You can download the Script which is used in this SQL tutorial from this link https://copy.com/yDQ46Tb64efm Contacts Email [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/RebellionRider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from The Code makers
Views: 190459 Manish Sharma
Using case statement in update query: SQL Server
 
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This video demonstrates how to use case statement in update query. It is used to change gender of students from male to female and from female to male using single update query.
Views: 2449 Gautam Mokal
Oracle tutorial : How to create Id with AUTO INCREMENT in Oracle PL SQL
 
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Oracle tutorial: How to create Id with AUTO INCREMENT in Oracle oracle tutorial for beginners sequence in oracle identity key in sql In this Oracle tutorial , we can create an auto increment field using ‘sequence’ object that can be assigned as primary keys. Using Oracle ‘sequence’ object, you can generate new values for a column. An Oracle sequence is an object like a table or a stored procedure. Examples CREATE SEQUENCE SYSTEM.MYSEQ START WITH 1 MAXVALUE 999999999999999999999999999 MINVALUE 1 NOCYCLE CACHE 20 NOORDER; CREATE OR REPLACE TRIGGER TR_CITY BEFORE INSERT ON CITY FOR EACH ROW BEGIN SELECT LPAD(LTRIM(RTRIM(TO_CHAR(myseq.NEXTVAL))),10,'0') INTO :NEW.id FROM DUAL; END; / Subscribe on youtube: https://www.youtube.com/channel/UCpiyAesWNYOXSz5GPq8lbkA For more tutorial please visit #techquerypond https://techquerypond.wordpress.com https://twitter.com/techquerypond
Views: 8588 Tech Query Pond
Oracle Select Statement تعليم أوراكل
 
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by Mohamed El Desouki - محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج How to Retrieve Data using Select statement. Select كيفية إسترجاع البيانات بإستخدام Text Book: Fundamentals of Database Systems, 5th Edition, by Elmasri/Navathe, published by Addison-W oracle create table statement oracle drop table statement oracle constraints database constraints primary key constraint foreign key constraint check constraint null not null constraint unique constraint insert into statement update statement delete statement select statement basic query
CASE STATEMENT(IF THEN ELSE) IN ORACLE SQL WITH EXAMPLE
 
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The case statement gives the if-then-else kind of conditional ability to the otherwise static sql select statement, This video demonstrates how to write an case statement in oracle sql, and explains different aspects of the case statement. The video explains the execution flow of the case statement and advises on the best way to write one.
Views: 1697 Kishan Mashru
Oracle - SQL - Insert Statement
 
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Oracle - SQL - Insert Statement Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Anadi Sharma, Tutorials Point India Private Limited.
Oracle Insert Into Statement تعليم اوراكل
 
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by Mohamed El Desouki - محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج How to Insert new data in a table. كيف تدخل بيانات جديدة فى الجدول Text Book: Fundamentals of Database Systems, 5th Edition, by Elmasri/Navathe, published by Addison-W oracle create table statement oracle drop table statement oracle constraints database constraints primary key constraint foreign key constraint check constraint null not null constraint unique constraint insert into statement update statement delete statement
PL/SQL tutorial 9: IF THEN ELSE (IF-ELSE) Statement in PL/SQL by Manish Sharma
 
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3rd tutorial in the series explaining IF-THEN-ELSE statement in Oracle PL/SQL with Example. Enjoy ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/if-then-else Previous Tutorial ► IF THEN Statement https://youtu.be/IWvuFD6eD30 ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 58315 Manish Sharma
SQL Insert Into Statement using Example on Oracle 11g Database
 
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SQL Classes for Beginners in Hindi and English SQL Insert Into Statement using Example on Oracle 11g Database
PL/SQL tutorial 11: PL/SQL Simple Loop in Oracle Database by Manish Sharma RebellionRider.com
 
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First tutorial in Iterative statement series explaining concepts of Simple Loop in PL/SQL With a quick brief intro of Loops in Oracle PL/SQL ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/simple-loop Previous Tutorial ► IF-THEN : https://youtu.be/IWvuFD6eD30 ► Simple CASE Statement https://youtu.be/DMlDwOmqAzo ► Searched CASE Statement https://youtu.be/jk7k4TDs3F0 ► DECODE Statement https://youtu.be/lKXqXINCNLo ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 61800 Manish Sharma
Oracle SQL MERGE Statement
 
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https://www.databasestar.com/oracle-merge-sql/ In this video, we’ll learn what the Oracle MERGE statement does and how you can use it. What is the MERGE statement? It’s a statement that lets you either insert or update data in a table - all in a single statement! It’s helpful if you’re using an ETL (Extract Transform Load) process when creating or updating a data warehouse. It’s also helpful when loading data into your own database if you’re not creating a data warehouse. It allows you to prevent duplicate data and ensure you have up-to-date data in your table. The syntax looks like this: MERGE INTO table_name USING table_name ON (condition) WHEN MATCHED THEN update_clause DELETE where_clause WHEN NOT MATCHED THEN insert_clause [LOG ERRORS log_errors_clause reject_limit integer | unlimited ] In this video, I also show an Oracle SQL MERGE statement example, so watch the video to find out more. For more information on the MERGE statement and how you can use it in your queries, read the related article here: https://www.databasestar.com/oracle-merge-sql/
Views: 208 Database Star
SQL: Delete Vs Truncate Vs Drop
 
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In this tutorial, you'll learn the difference between delete/drop and truncate. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 59753 radhikaravikumar
Oracle SQL The Delete Statement تعليم أوراكل
 
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by Mohamed El Desouki - محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج How to delete data from tables. كيف تحذف بيانات من الجدول Text Book: Fundamentals of Database Systems, 5th Edition, by Elmasri/Navathe, published by Addison-W oracle create table statement oracle drop table statement oracle constraints database constraints primary key constraint foreign key constraint check constraint null not null constraint unique constraint insert into statement update statement delete statement
PL/SQL tutorial 10: PL/SQL IF THEN ELSIF Statement in Oracle Database by Manish Sharma
 
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Watch and learn IF THEN ELSIF (ELSIF ladder)statement in PL/SQL by Manish Sharma RebellionRider.com ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/if-then-elsif Previous Tutorial ► IF-ELSE https://youtu.be/IWsY_HzufKw ►Simple Case: https://youtu.be/DMlDwOmqAzo ►Searched Case: https://youtu.be/jk7k4TDs3F0 ►DECODE: https://youtu.be/lKXqXINCNLo ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 47675 Manish Sharma
Oracle Decode and case statement inside insert and insert all statement
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 589 Sridhar Raghavan
Oracle SQL Tutorial 19 - ON DELETE (SET NULL and CASCADE)
 
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Welcome everyone! Something you need to consider when you are creating foreign keys is what happens if you delete the parent? As a reminder, the parent is the row that has the value you are referencing in the row that has a foreign key. Why is this something important to consider? It's important because foreign keys need to protect us from two primary things, unacceptable INSERT statements, and unacceptable DELETE statements. Let's see what happens when we try to insert incorrect data into the table with the foreign key: INSERT INTO projects VALUES (1, 'Update website homepage', 'CalebCurry') The response tells us plainly that there is no such user in the users table. So this works correctly. Deleting data on the other hand works a bit differently because the database does not know what you want to do with the child row when you delete the parent from the parent table. By default, we will get an error message that prevents the parent from being deleted, but there are some other options. How do we configure this? This is where the ON DELETE statement comes in. We add the keywords ON DELETE right after the foreign key and then we can give it the option of CASCADE or SET NULL. CASCADE means that if we delete the parent, we are also going to delete the child. In our situation what that means is that if somebody creates a project in our project table and then that persons account gets deleted, all of the projects he owns will also be deleted. CASCADE: CREATE TABLE projects( project_id NUMBER, Project_name VARCHAR2(50 CHAR) UNIQUE, creator VARCHAR2(50 CHAR) NOT NULL, CONSTRAINT projects_pk PRIMARY KEY (project_id), CONSTRAINT projects_users_fk FOREIGN KEY (creator) REFERENCES users (username) ON DELETE CASCADE ) SET NULL will take the value in the child table and get rid of it. What you are left with is NULL. This means that we have an orphaned child. The first thought you might have is that it is a bad thing to have an orphaned child, but in databases that is not always so. In our application if we had it set to SET NULL, when a user account gets deleted the projects would remain in existence they would just lack a creator. This might be a good thing if you are concerned about the long term survival of a project, this might be the route you want to go. It ultimately depends on the application purpose. If you don't like CASCADE or SET NULL, you can leave the entire ON DELETE statement and just have Oracle throw an error when a parent is deleted. As for us, we are going to use ON DELETE CASCADE. We need to use this with extreme caution. If you are not careful, someday you will run a delete a row and that will cascade through you database deleting a bunch of stuff you didn't want to delete. Stuff happens, so make sure you back up your database every once in eternity. Now, in the last video we started with a database design that had three tables. We've only created two in this video. In the next video we are going to create the next one, which is a little special. Then we'll finish things up by adding some indexes. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 13371 Caleb Curry
SQL 028 UPDATE Command or How can I change rows of data?
 
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Explains the UPDATE command or How can I change rows of data. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 1118 cbtinc
PL/SQL tutorial 76: Introduction to FORALL statement in Oracle Database
 
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RebellionRider.com presents Introduction to bulk Data processing using FORALL statement in Oracle Database by Manish Sharma ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/forall-01 Previous Tutorial ► PL/SQL Bulk Collect with LIMIT clause ►SQL Error ORA-00942 Table or View Does Not Exist in Oracle Database http://bit.ly/ora-00942 ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 5369 Manish Sharma
SQL Delete Statement with Example on Oracle 11g Database
 
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SQL Lecturers for Beginners in Hindi and English SQL Delete Statement with Example on Oracle 11g Database
Oracle EMPTY_BLOB Function
 
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https://www.databasestar.com/oracle-lob-functions/ The Oracle EMPTY_BLOB function is used to initialise a LOB column to an empty value. You can use it in an INSERT statement, an UPDATE statement, or with a variable in PL/SQL. The syntax of the EMPTY_BLOB function is: EMPTY_BLOB That’s it - no parameters. Why would you set a BLOB value to empty? It means you have initialised it but not given it a value. It’s good to know this function exists if you ever need to use it. For more information about the Oracle EMPTY_BLOB function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-lob-functions/
Views: 68 Database Star

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