20.26. The INFORMATION_SCHEMA GLOBAL_VARIABLES and SESSION_VARIABLES Tables

The GLOBAL_VARIABLES and SESSION_VARIABLES tables provide information about server status variables. Their contents correspond to the information produced by the SHOW GLOBAL VARIABLES and SHOW SESSION VARIABLES statements (see Section 12.4.5.40, “SHOW VARIABLES Syntax”).

INFORMATION_SCHEMA NameSHOW NameRemarks
VARIABLE_NAMEVariable_name 
VARIABLE_VALUEValue 

Notes:

  • The VARIABLE_VALUE column for each of these tables is defined as VARCHAR(20480).

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