Given two tables

T1
key   |  value
---------------
1       | a
2       | b
4       | c
---------------

T2
key   |  value
---------------
2       | a
3       | b
5       | c
---------------
Which one of the following queries will return more records in the result set than all others?

Follow CodeGalaxy

Mobile Beta

Get it on Google Play
Send Feedback
Keep exploring
SQL quizzes
Cosmo
Sign Up Now
or Subscribe for future quizzes