| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/suite/sys_vars/r/ |
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select @@global.datetime_format; @@global.datetime_format %Y-%m-%d %H:%i:%s select @@session.datetime_format; ERROR HY000: Variable 'datetime_format' is a GLOBAL variable show global variables like 'datetime_format'; Variable_name Value datetime_format %Y-%m-%d %H:%i:%s show session variables like 'datetime_format'; Variable_name Value datetime_format %Y-%m-%d %H:%i:%s select * from information_schema.global_variables where variable_name='datetime_format'; VARIABLE_NAME VARIABLE_VALUE DATETIME_FORMAT %Y-%m-%d %H:%i:%s select * from information_schema.session_variables where variable_name='datetime_format'; VARIABLE_NAME VARIABLE_VALUE DATETIME_FORMAT %Y-%m-%d %H:%i:%s set global datetime_format="foo"; ERROR HY000: Variable 'datetime_format' is a read only variable set session datetime_format="foo"; ERROR HY000: Variable 'datetime_format' is a read only variable