Oracle9i™ Development by Example

Checking It

1:	SQL functions falls into 1 Category 2 Categories 3 Categories Does not have categories
2:	A single-row function can only return one row. True/False
3:	In a DATE mask, the RR means Current century if the year tested is between 00 and 49 and the current year is between 50 and 99 Current century if the year tested is between 00 and 49 and the current year is between 00 and 49 Next century if the year tested is 00 through 49 and the current year is 50 through 99 Current century if the year tested is 50 and 99 and the current year is between 00 and 49
4:	When might a group function return more than one row? When used with a WHERE clause When used ...