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information_schema.profiling学习

information_schema.profiling可以用来分析每一条SQL在它执行的各个阶段的用时,注意这个表是session 级的,也就是说如果session1 开启了它:session2没有开启 这个情况下session2 去查询只会返回一个空表 1.set @@ssesion.profiling=1 可以开启information_schema.profiling相关监测 2.information_schema.profiling 表的常用列 1.query_id :查询id 用于…

INFORMATION_SCHEMA.PROFILING

24.18 The INFORMATION_SCHEMA PROFILING Table PROFILING表提供了语句分析信息. 其内容对应于SHOW PROFILES和SHOW PROFILE语句生成的信息. INFORMATION_SCHEMA Name SHOW Name Notes QUERY_ID Query_ID 标识 SEQ 具有相同QUERY_ID值的行的显示顺序的序列号 STATE Status 行测量适用的分析状态 DURATION Duration 在给定状态下,多长时间…

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY 今天开发的同事发来如下错误信息,最最简单的一个update操作,竟然报了[Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY.具体sql语句为: [SQL]UPDATE draw_record SET open_price = '6945.98', buy_p…

mysql遇见contains nonaggregated column 'information_schema.PROFILING.SEQ'异常

报错如下:[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=on…

解决mysql报错：- Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ'

mysql执行报错: - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_fu…

mysql [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GRO

[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_fu…

[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ'

在Navicat Premium中执行Mysql的一条删除语句,虽然执行成功了,却提示已下错误: 受影响的行: 时间: .005s of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; thi…

MySQL- [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GR

新建的mysql,在查询时报异常信息,虽然有正常执行结果. [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this is inco…

Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this

最近使用新版本的mysql,执行语句的时候报错.网上找了一下,解决方法如下: vim /etc/mysql/conf.d/mysql.cnf [mysqld] sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION service mysql restart 转载自:http://www.cnblo…

1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause

解决方法一: SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY','')); 优点:不用重启mysql 缺点:重启mysql后还会出现标题错误 SELECT @@global.sql_mode; 查询全局的 @@session.sql_mode 当前回话的 上面的只是修改当前回话,需要修改全局的sql_mode 解决方法二 在my.cnf中修改 [mysqld] sql_mode=STRICT_TRANS_TABLES,NO_…