The ________ keyword avoids deplication of column values during intersection of rows.
Distinct
Unique
Union
Primary key
SQL is
a programming langauge
an operating system
a data sublanguage
DBMS
If condition are to be applied on the group, which of the following clause is used for that purpose?
WHERE
Group by
HAVING
NULL
_________ produce the number of rows or non NULL field values that the query selected.
Total
Counted
Count
Cout