employer cover photo
employer logo
employer logo

Open Access Technology International

Engaged employer

Open Access Technology International interview question

Whats an inner and outer join.

Interview Answers

Anonymous

16 Mar 2014

Inner join is a simple join that selects all records from the multiple tables as long as there is a match between the columns.

Anonymous

16 Mar 2014

Outer join: returns all the records from the two joined tables even if no matching record exists.