2、系统表 MySQL5.6中INFORMATION_SCHEMA 中存在系统变量和状态变量的表,show variables 和show status也是基于此库中的表,在5.7.6时被Performance Schema也存在这四张表,show 语句开始基于Performance Schema中的表,如果show_compatibility_56参数开启,则兼容5.6 MySQL数据库具有如下优点: 1.开源免费: MySQL是开源软件Q...
MySQL5.6中INFORMATION_SCHEMA 中存在系统变量和状态变量的表,show variables 和show status也是基于此库中的表,在5.7.6时被Performance Schema也存在这四张表,show 语句开始基于Performance Schema中的表,如果show_compatibility_56参数开启,则兼容5.6
,information_schema仍然保留了GLOBAL_STATUS,GLOBAL_VARIABLES两个表做兼容。 [兼容性] 如果希望沿用information_schema中进行查询的习惯,5.7提供了show_compatibility_56参数,设置为ON可以兼容5.7之前的用法,否则就会报错,如上图 5.7.6之后,在performance_schema新增了如下的表 ...
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So I had to add these parameters to galera config file: show_compatibility_56 = ON performance_schema Is this the best approach though? 👍1ignaqui reacted with thumbs up emoji 👍
--从mysql5.7.6开始information_schema.global_status已经开始被舍弃,为了兼容性,此时需要打开 show_compatibility_56mysql> select * from information_schema.
mysql> select * from information_schema.global_status limit 3; ERROR 3167 (HY000): The 'INFORMATION_SCHEMA.GLOBAL_STATUS' feature is disabled; see the documentation for 'show_compatibility_56' --查看show_compatibility_56其值 mysql> show variables like '%show_compatibility_56%'; ...
Status:Won't fixImpact on me: None Category:MySQL Server: Performance SchemaSeverity:S3 (Non-critical) Version:5.7.9OS:Any Assigned to:Marc ALFFCPU Architecture:Any Tags:5.7.9,global_variables,information_schema,performance_schema,show_compatibility_56 ...
performance_schema;ON performance_schema_accounts_size;-1 performance_schema_digests_size;10000 performance_schema_events_stages_history_long_size;10000 performance_schema_events_stages_history_size;10 performance_schema_events_statements_history_long_size;10000 performance_schema_events_statements_...
'performance_schema', 'ON' 'performance_schema_accounts_size', '-1' 'performance_schema_digests_size', '10000' 'performance_schema_events_stages_history_long_size', '10000' 'performance_schema_events_stages_history_size', '10' 'performance_schema_events_statements_history_long_size', ...