Answer Posted / anonymus
In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses values from the outer query. Because the subquery may be evaluated once for each row processed by the outer query, it can be inefficient.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Please explain oracle data types with examples?
does the query needs a hint to access a materialized view?
How a database is related to tablespaces?
How to drop a stored function?
How do I recompile a procedure in oracle?
What is an oracle?
What are the predefined tablespaces in a database?
Is it possible to insert comments into sql statements return in the data model editor ?
Explain what are clusters?
Please explain drop constraint oracle?
What are nested tables?
Explain the use of owner option in exp command.
Is oracle an operator?
Explain a segment?
how to do daily transactions with out sql* loader control file regesterd in apps?