TO_NUMBER

Converts an expression to a value of NUMBER type.

SQL syntax

TO_NUMBER (Expression[, Format]) 

Parameters

TO_NUMBER has the parameters:

Parameter	Description
Expression	The expression to be converted, where the value can be of type CHAR, VARCHAR2, NCHAR, NVARCHAR2, BINARY_FLOAT, BINARY_DOUBLE, CLOB, or NCLOB.
Format	If specified, the format is used to convert Expression to a value of NUMBER type. The format string identifies the number format model. The format and can be either a constant or a parameter.

Description

You can use a number format model with the TO_NUMBER function. For more information on number format models, see "Number Format Models".

Examples

Command> SELECT TO_NUMBER ('100.00', '999D99') FROM dual;
< 100 >
1 row found.

Command> SELECT TO_NUMBER ('1210.73', '9999.99') FROM dual;
< 1210.73 >
1 row found.