There are 2 tables, each table contains the records as below:
Table_1 -> Column_1 : A A A B B C C C D E E E E F F G G G
Table_2 -> Column_2 : A B
u hv to retrieve the records by SQL Script shown as : C D E F G (without A & B, based on Table_2)
**Rule: there is non-redundant record
Try to use SQL Script to test this Question….hope u all can give me the answer, bcoz it is asked by my fren….thx!
