15.7.7.41 SHOW VARIABLES Statement| dev.mysql.com
7.1.1 Configuring the Server| dev.mysql.com
expr| dev.mysql.com
28.8 Extensions to SHOW Statements| dev.mysql.com
29.12.14 Performance Schema System Variable Tables| dev.mysql.com
7.1.9 Using System Variables| dev.mysql.com
15.2.13 SELECT Statement| dev.mysql.com
password| dev.mysql.com
System Variable Assignment| dev.mysql.com
7.1.8 Server System Variables| dev.mysql.com