Subquery is form of select statements it is appear inside another one sql statements (or) nested query ie..parent statements.subquery can be used DML statements .we can also refer to more than one...
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Re: what is subquery ?
Subquery is form of select statements it is appear inside another one sql statements (or) nested query ie..parent statements.subquery can be used DML statements .we can also refer to more than one...
What is difference between subquary and co-related subquary? where we can use co-related subquary?
What is private cursor and what is dynamic cursor ?