Predicates boil down to either a TRUE or a FALSE result. You can filter out unwanted rows from the result of an SQL query by applying a WHERE clause whose predicate excludes the unwanted rows.

Comparison Predicates    
= Equal
<> Not equal
< Less than
<= Less than or equal
> Greater than
>= Greater than or equal
Other Predicates    
ALL BETWEEN
DISTINCT EXISTS
IN LIKE
MATCH NOT IN
NOT LIKE NULL
OVERLAPS SIMILAR
SOME, ANY UNIQUE
Other Predicates    
ALL BETWEEN
DISTINCT EXISTS
IN LIKE
MATCH NOT IN
NOT LIKE NULL
OVERLAPS SIMILAR
SOME, ANY UNIQUE