SHOW-VARIABLES
Name
SHOW VARIABLES
Description
This statement is used to display Doris system variables, which can be queried by conditions
Syntax:
SHOW [GLOBAL | SESSION] VARIABLES
[LIKE 'pattern' | WHERE expr]
Note:
- show variables is mainly used to view the values of system variables.
- Executing the SHOW VARIABLES command does not require any privileges. Anyone who has connected to the server can execute this command.
- The like statement means to match by variable_name
- The % wildcard can be used anywhere in the matching pattern
Example
-
Match by variable_name. The following example shows an exact matching
show variables like 'max_connections';
-
Use the % wildcard to match multiple items
show variables like '%connec%';
-
Use the Where clause for matching queries
show variables where variable_name = 'version';
Keywords
SHOW, VARIABLES