mysql建表时报Index column size too large. The maximum column size is 767 bytes.解决办法:在建表语句的后面加入:ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC;
示例:
CREATE TABLE QRTZ_JO...
1709: Index column size too large. The maximum column size is 767 bytes.
修改排序规则解决
utf8_general_ci
mysql 1709: Index column size too large. The maximum column size is 767 bytes.的相关教程结...
[DTF] Data Transfer 企管宝_2_CRM start[DTF] Getting tables[DTF] Analyzing table: `CustomerInfo`[DTF] Get table data for [CustomerInfo][DTF] Drop table: `CustomerInfo`[DTF] Create table: `CustomerIn...
我想得到大于男女平均年龄的人
原表:
在gauss200下执行以下语句:
SELECT stname,age,gender,AVG(age) FROM att_test01 GROUP BY gender HAVING age > AVG(age);
报错:column att_test01.stname must appea...
MySQL版本5.6.35
在一个长度为512字符的字段上创建unique key报错
CREATE DATABASE dpcs_metadata DEFAULT CHARACTER SET utf8;
select * from information_schema.SCHEMATA;
+--------------+------------------...
1、先看错误的sql语句:
select a.authName from roles as r,authority as a,role_ah as ra where ra.roleId=r.roleId and ra.ahId=a.ahId and roleId='R002'
2、再看正确的sql语句:
select a.authName from ro...
今天在写PostgreSQL语句时候发现运行这个代码
SELECT t1.equipid, t2.equipname, t1.bigtype, t1.smalltype
FROM pdw_gh_problems t1
LEFT JOIN pdw_gh_prohouse t2 ON t2.equipid = t1.equipid
WHERE bi...
the last two challenges used the flex-direction property set to row.
this property can also create a column by vertically stacking the children of a flex container.
add the...