Cascade | Varinder Sandhu https://varindersandhu.in Keep it Simple and Smart Fri, 10 May 2013 12:24:17 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://varindersandhu.in/wp-content/uploads/2020/05/varindersandhu_favicon.ico Cascade | Varinder Sandhu https://varindersandhu.in 32 32 22788835 Oracle – PL-SQL – Foreign key on delete cascade https://varindersandhu.in/2012/01/26/oracle-pl-sql-foreign-key-on-delete-cascade/ Thu, 26 Jan 2012 14:06:13 +0000 http://www.varindersandhu.in/?p=2172 ON DELETE CASCADE: When a referenced parent table row is removed the entire child are removed automatically. Example: -- Create a Table as mytable1 having the PRIMARY KEY CREATE TABLE MYTABLE1 ( ID INTEGER PRIMARY KEY, EMP_NAME VARCHAR2(10) ); -- Create a Table as mytable2 having the FOREIGN KEY CREATE

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]]> 2172 Oracle – Drop User Cascade https://varindersandhu.in/2012/01/26/oracle-drop-user-cascade/ Thu, 26 Jan 2012 13:04:38 +0000 http://www.varindersandhu.in/?p=2163 If you have user that owns objects and you want to drop the user then you have to use the Cascade keyword with your drop statement/command. The Oracle DROP USER CASCADE command drops a user and all owned objects. Without using DROP USER CASCADE you cannot delete the user that

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