Operators
Comparison Operators
Operator | Description | Note |
= | Equal to | |
<>, != | Not equal to | |
> | Greater than | |
< | Less than | |
>= | Greater than or equal to | |
<= | Less than or equal to | |
IS NULL | NULL value test | TBD |
IS NOT NULL | NOT NULL value test | TBD |
BETWEEN ... AND ... | Value is within a range | TBD |
NOT BETWEEN ... AND ... | Value is not within a range | TBD |
IN | Value is within a list of values | TBD |
NOT IN | Value is not within a list of values | TBD |
LIKE | Simple pattern matching | |
NOT LIKE | Negation of simple pattern matching | TBD |
LIKE is used together with wildcards to match strings. Its usage is described as follows:
%
matches 0 or any number of characters. _
matches any single ASCII character. \_
is used to match the _
in the string. \%
is used to match the %
in the string.
Logical Operators
Operator | Description | Note |
AND | Logical AND | |
OR | Logical OR | |