Oracle----Operator

Operator  Description
=  Equal
<> or !=  Not equal
< Less than
> Greater than
<= Less than or equal
>= Greater than or equal
ANY Compares one value with any value in a list
ALL  Compares one value with all values in a list

hmetic operator

 

Comparison Operator

There are many comparison operators that you can use in a WHERE clause:

The following table lists the comparison operators:

 

Logical Operator

 

Null Values

 

Print

 

Variable

 

Comments

 

Terminology

 

Database Normalization

 

posted @ 2014-10-29 17:02  daishuguang  阅读(413)  评论(0编辑  收藏  举报