如果SELECT语句中的列既不在GROUP BY子句中,也不是聚合函数的参数,就会出现"ORA-00979: not a GROUP BY expression"错误。 要解决这个错误,可以采取以下几种方法: 将SELECT语句中的列添加到GROUP BY子句中:将SELECT语句中的列添加到GROUP BY子句中,以确保每个分组都包含这些列。例如: 将SELECT语句中的列添...
group by 'not A group by expression‘ENExpression #1 of ORDER BY clause is not in GROUP BY ...
t3.OPERATORID ,t5.ASSESSERID ,t10.ASSESSERID ,t11.ASSESSERID ,t5.VERIFIERID ,t6.COMPENSATORID ,t7.UNDERWRITEID ,t9.ENDCASERIDorder by t1.CLAIMNOselect投影出来的字段必须是group by字句中出现的字段，你怎么投影了那么多字段？
SQL这样写报not a group by expression错,应该怎么修改? select d.a,avg(t.value)from table1 t,table2 dwhere t.c='Stat'and t.b=d.bgroup by d.a 这样看语句是没有问题的,不过平时不建议这样写.平时建议使用 join 进行联接. select d.a,avg(t.value) from table1 t join
错误的，你要查询d.*的话，GROUP BY后面必须包括dept 表的所有字段。如果你只GROUP BY e.deptno，那么，这样写：SELECT e.deptno,avg(sal)FROM emp e JOIN dept dON e.deptno=d.deptnoGROUP BY e.deptnohaving avg(sal)=(select min(avg(sal)) from emp group by deptno)
ORA-00979:notaGROUPBYexpression group by 的过滤 查出平均工资大于2000的部门 idle>selectdeptno,avg(sal)avgfromempgroupbydeptnowhereavg>2000;selectdeptno,avg(sal)avgfromempgroupbydeptnowhereavg>2000*ERROR at line1: ORA-00933: SQL commandnotproperly ended ...
linux下 java.sql.SQLSyntaxErrorException: In aggregated query without GROUP BY, expression this is incompatible with sql_mode=only_full_group_by解决办法 永久解决办法,重启任然生效 1.登录linux服务器 2.找到my.cnf 文件 3.vim /etc/my.cnf 分别在[mysqld]和[mysql]下面添加这段 sql_mode=STRICT_...
SQL> SELECT loc FROM dept GROUP BY loc HAVING count(deptno)>1; LOC --- loc1 SQL> SELECT loc FROM dept GROUP BY loc HAVING deptno>30; SELECT loc FROM dept GROUP BY loc HAVING deptno>30 ORA-00979: not a GROUP BY expression SQL> SELECT loc...
GROUP BY cno,cname; 可是有人会想了,cno 和 cname 本来就是一对一,cno 一旦确定,cname 也就确定了,那 SQL 是不是可以这么写 ? SELECT cno,cname,count(sno),MAX(sno) FROM tbl_student_class GROUP BY cno; 执行报错了: [Err] 1055 - Expression #2 of SELECT list is not in GROUP BY clause ...
sql.validate.SqlValidatorException: Expression 'c' is not being grouped，貌似不支持非group by的字段...