using abs (absolute) function in oracle plsql

The ABS function in Oracle SQL / PLSQL is used to get the absolute value of a number.

Syntax for the ABS function in Oracle SQL / PLSQL is:

SELECT ABS(number)
FROM table_name;

• ‘number’ is the number that has to be converted to an absolute value

Example 1:

SELECT ABS(1.23)
FROM DUAL; 

Will return “1.23”

Example 2:

SELECT ABS(-1.23)
FROM DUAL; 

Will return “1.23”

Example 3:

SELECT ABS(-1.23 *1)
FROM DUAL; 

Will return “1.23”

Example 4:

SELECT ABS(1.23 *-1)
FROM DUAL; 

Will return “1.23”