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Oracle® Database SQL Reference
10g Release 2 (10.2)

Part Number B14200-02
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BIN_TO_NUM

Syntax

Description of bin_to_num.gif follows
Description of the illustration bin_to_num.gif

Purpose

BIN_TO_NUM converts a bit vector to its equivalent number. Each argument to this function represents a bit in the bit vector. This function takes as arguments any numeric datatype, or any nonnumeric datatype that can be implicitly converted to NUMBER. Each expr must evaluate to 0 or 1. This function returns Oracle NUMBER.

BIN_TO_NUM is useful in data warehousing applications for selecting groups of interest from a materialized view using grouping sets.


See Also:


Examples

The following example converts a binary value to a number:

SELECT BIN_TO_NUM(1,0,1,0) FROM DUAL; 

BIN_TO_NUM(1,0,1,0)
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                 10