Delta Air Lines Interview Question
Explain a SQL sub-select.
Interview Answer
Anonymous
Aug 15, 2013
A table join can be more efficient, but a sub-select can be used when the WHERE clause needs the results of a different select criteria.
Explain a SQL sub-select.
Anonymous
A table join can be more efficient, but a sub-select can be used when the WHERE clause needs the results of a different select criteria.
Check out your Company Bowl for anonymous work chats.