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SESSION_VARIABLES

The SESSION_VARIABLES table provides information about session variables. The table data is similar to the result of the SHOW SESSION VARIABLES statement.

USE information_schema; DESC session_variables;
+----------------+---------------+------+------+---------+-------+ | Field | Type | Null | Key | Default | Extra | +----------------+---------------+------+------+---------+-------+ | VARIABLE_NAME | varchar(64) | YES | | NULL | | | VARIABLE_VALUE | varchar(1024) | YES | | NULL | | +----------------+---------------+------+------+---------+-------+ 2 rows in set (0.00 sec)
SELECT * FROM session_variables ORDER BY variable_name LIMIT 10;
+-----------------------------------+------------------+ | VARIABLE_NAME | VARIABLE_VALUE | +-----------------------------------+------------------+ | allow_auto_random_explicit_insert | off | | auto_increment_increment | 1 | | auto_increment_offset | 1 | | autocommit | 1 | | automatic_sp_privileges | 1 | | avoid_temporal_upgrade | 0 | | back_log | 80 | | basedir | /usr/local/mysql | | big_tables | 0 | | bind_address | * | +-----------------------------------+------------------+ 10 rows in set (0.00 sec)

The description of columns in the SESSION_VARIABLES table is as follows:

  • VARIABLE_NAME: The name of the session-level variable in the database.
  • VARIABLE_VALUE: The value of the session-level variable in the database.

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