Programming language => Sql => Topic started by: Patryk on October 24, 2014, 11:05:42 AM
Title: What do you understand by a subquery?When is it used?
Post by: Patryk on October 24, 2014, 11:05:42 AM
Hi, I would like to submit a question, I hope you can answer me, what do you understand by a subquery? when is it used? Please give me your help very quickly.