When
we should use inner join and sub query?
- Use joins when we need to get data from both the tables in SELECT statement.
- Use sub query when we need to get data from only one table and other table is used only to check existence.
Showing posts with label When we should use inner join and sub query?. Show all posts
Showing posts with label When we should use inner join and sub query?. Show all posts
Tuesday, 12 May 2015
When we should use inner join and sub query?
Subscribe to:
Posts (Atom)