EXISTS=IN,意思同样只是语法上有点点差别,好像使用IN效率要差点,应该是不会运行索引的原因 SELECTID,NAMEFROMAWHEREIDIN(SELECTAIDFROMB) NOTEXISTS=NOTIN,意思同样只是语法上有点点差别 SELECTID,NAMEFROMAWHEREIDNOTIN(SELECTAIDFROMB) 以下是普通的使用方法: SQL中IN,NOTIN,EXISTS,NOTEXISTS的使用方法和差别: IN...
EXISTS=IN,意思相同不过语法上有点点区别,好像使用IN效率要差点,应该是不会执行索引的原因 SELECTID,NAMEFROMAWHEREIDIN(SELECTAIDFROMB) NOTEXISTS=NOTIN,意思相同不过语法上有点点区别 SELECTID,NAMEFROMAWHEREIDNOTIN(SELECTAIDFROMB) 下面是普通的用法: SQL中IN,NOTIN,EXISTS,NOTEXISTS的用法和差别: IN:确定给...
SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #2 of ORDER BY clause is not in 一、原理层面 这个错误发生在mysql 5.7 版本及以上版本会出现的问题: mysql 5.7版本默认的sql配置是:sql_mode="ONLY_FULL_GROUP_BY",这个配置严格执行了"SQL92标准"。 很多从5.6升级到5.7时,为了语法兼容...
mysql>SELECT name, address, MAX(age) FROM t GROUP BY name; ERROR 1055 (42000): Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mydb.t.address' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode...
[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated c 原因: MySQL 5.7.5及以上功能依赖检测功能。如果启用了ONLY_FULL_GROUP_BY SQL模式(默认情况下),MySQL将拒绝选择列表,HAVING条件或ORDER BY列表的查询引用在GROUP BY子句中既未命名的非集合列,也不在功...
mysql> SELECT name, address, MAX(age) FROM t GROUP BY name; ERROR 1055 (42000): Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mydb.t.address' which is not functionally dependent on columns in GROUP BY clause; this i...
1055(42000): SELECT list is not in GROUP BY clause and contains nonaggregated column 原因与解决方案 该报错主要是因为sql_mode参数被修改导致: 原因一:用户修改sql_mode参数导致GROUP BY的语法不合规 原因:用户修改了sql_mode参数,加上了ONLY_FULL_GROUP_BY条件,导致GROUP BY的语法不符合...
今天,我们将讨论一个常见的Java异常——java.sql.SQLSyntaxErrorException,并深入探讨其中一个具体的错误信息:Expression #1 of SELECT list is not in GROUP BY clause。 异常详情 Caused by: java.sql.SQLSyntaxErrorException: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated...
Expression #24of SELECT listisnotinGROUP BY clause and contains nonaggregated column'a.process'whichisnot functionally dependent on columnsinGROUP BY clause;thisisincompatiblewithsql_mode=only_full_group_by 这是因为mysql5.7以上的版本中的“严格模式”,对于 group by 的这种聚合操作,如果在select 中的列...
#mysql#解决:"500 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated..." Jessica 同一个程序,运行在dev和prod不同环境里,同一个接口竟然一个正常,一个报错500,但是数据库的数据都一样的,搜了很久,终于在一篇文章里面解决了: 问题出现的原因:MySQL 5.7.5及以上功能依赖检测...