Oracle EXTEND method.
- 30 July 2022
- Database Performance ManagementManuals
In Oracle PL/SQL, the EXTEND method is a procedure that adds elements to the end of Varray or Nested Tables. The collection can be empty, but not NULL…
Oracle Nested Tables.
In Oracle PL/SQL Nested Tables is a column type that stores an unlimited row set in a certain order.
When you extract a nested table value from a dat…
MySQL function indexes.
MySQL indexes: Starting with MySQL 5.7, you can create indexes for expressions, or functional indexes using the generated columns. Basically you need …
MySQL DROP USER Statement.
The DROP USER statement is used to delete a user from a MySQL database….
MySQL CREATE USER Statement.
The CREATE USER statement creates a database account that allows you to log into a MySQL database….
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