BIT_COUNT()

This page is part of MariaDB's MariaDB Documentation.

The parent of this page is: Functions

Topics on this page:

Overview
EXAMPLES
CHANGE HISTORY
EXTERNAL REFERENCES

Overview

Returns the number of bits set in the given argument.

See also: Functions in 10.6 ES, in 10.5 ES, and in 10.4 ES

EXAMPLES

CREATE TABLE bitcount_example (
  example BIGINT
);

INSERT INTO bitcount_example VALUES
  (42), (101), (99), (13), (64), (86);

SELECT BIN(example), BIT_COUNT(example) FROM bitcount_example;

+--------------+--------------------+
| BIN(example) | BIT_COUNT(example) |
+--------------+--------------------+
| 101010       |                  3 |
| 1100101      |                  4 |
| 1100011      |                  4 |
| 1101         |                  3 |
| 1000000      |                  1 |
| 1010110      |                  4 |
+--------------+--------------------+

CHANGE HISTORY

Release Series	History
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1.
10.6 Community	Present starting in MariaDB Community Server 10.6.0.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1.
10.5 Community	Present starting in MariaDB Community Server 10.5.0.
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1.
10.4 Community	Present starting in MariaDB Community Server 10.4.0.
10.3 Enterprise	Present starting in MariaDB Enterprise Server 10.3.16-1.
10.3 Community	Present starting in MariaDB Community Server 10.3.0.
10.2 Enterprise	Present starting in MariaDB Enterprise Server 10.2.25-1.
10.2 Community	Present starting in MariaDB Community Server 10.2.0.

Release Series	History
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1.
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES

Additional information on this topic may be found in the MariaDB Public Knowledge Base.