21.
Which clause is used to "sort the rows of the final result set by one or more columns"?

22.
Which option executes all SQL statements in a SQL script irrespective of the number of errors?

23.
The name of the option file in Unix is . . . . . . . .

24.
The facility that allows nesting one select statement into another is . . . . . . . .

29.
Which option is used for specifying the executable name while compiling with gcc?

30.
Which mode tells the server to recognize || as the string concatenation operator?