DBI202Xuất hiện trong 1 đề thi
Assuming UserProfile is a table containing a column Profession which accepts NULL value. What is the result of the below query? sql\nSET ANSI_NULLS OFF\nSELECT Profession FROM UserProfile WHERE (Profession <> NULL)
Các lựa chọn
AGives an error.
B$<>$ is not an operator in SQL Server
CReturns all Professions which has not null values.
DNone of the above.