PostgreSQL: abs Function
This PostgreSQL tutorial explains how to use the PostgreSQL abs function with syntax and examples.
Description
The PostgreSQL abs function returns the absolute value of a number.
Syntax
The syntax for the abs function in PostgreSQL is:
abs( number )
Parameters or Arguments
- number
- The number to convert to an absolute value.
Applies To
The abs function can be used in the following versions of PostgreSQL:
- PostgreSQL 9.4, PostgreSQL 9.3, PostgreSQL 9.2, PostgreSQL 9.1, PostgreSQL 9.0, PostgreSQL 8.4
Example
Let's look at some PostgreSQL abs function examples and explore how to use the abs function in PostgreSQL.
For example:
postgres=# SELECT abs(-23); abs ----- 23 (1 row) postgres=# SELECT abs(-23.6); abs ------ 23.6 (1 row) postgres=# SELECT abs(-23.65); abs ------- 23.65 (1 row) postgres=# SELECT abs(23.65); abs ------- 23.65 (1 row) postgres=# SELECT abs(30 * -1); abs ----- 30 (1 row)
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