Examlex
The SUBSTR function is used to return a portion of a character string._________________________
Q11: Which of the following refers to a
Q18: To find rows containing a NULL value
Q24: The <u>AVG</u> function only includes non-NULL values
Q28: An outer join operator can be included
Q56: An outer join only lists rows that
Q59: Group functions return a group of results
Q83: A(n)<u>non-equality</u> join is also known as an
Q88: A group function cannot be included in
Q107: The _ function is used to convert
Q116: The <u>WITH CHECK OPTION</u> can be used