mysql提示Column count doesn't match value count at row 1错误,后来发现是由于写的SQL语句里列的数目和后面的值的数目不一致, 比如insert into 表名 (field1,field2,field3) values('a','b')这样前面的是三列,后面却只有二个值,这就会出现这个错误的.…
1.错误描述 java.sql.SQLException:Column count doesn't match value count at row 1 2.错误原因 在插入数据时,插入的字段个数跟数据库表字段个数不一致 insert into student(sno,sname,sage,ssex) values(1,'张三丰','man'); 3.解决办法 保证插入数据字段个数跟数据库表中的字段个数一致 insert into student(sno,sname,sage,s…
报错内容: java.sql.SQLException: Column count doesn't match value count at row 1 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1056) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) at com.mysql.jdbc.MysqlIO.checkErrorPacket…
今天执行批量插入的操作,发现报了错 mysql Column count doesn't match value count at row 1. 后来发现原因:是由于写的SQL语句里列的数目和后面的值的数目不一致, 比如insert into 表名 (field1,field2,field3) values('a','b')这样前面的是三列,后面却只有二个值,这就会出现这个错误的. 查看mapper写法 <insert id="insertBatch" useGeneratedK…
mysql错误:Column count doesn't match value count at row 1 mysql错误:Column count doesn't match value count at row 1 是由于类似 INSERT INTO table_name(col_name1, col_name2, col_name3) VALUES('value1','value2'); 语句中,前后列数不等造成的, 1 校验字段是否充分 2 列和值的数量要一致…
开发中运行mysql脚本,发现提示mysql提示Column count doesn't match value count at row 1错误, 调试后发现是由于写的SQL语句里列的数目和后面的值的数目不一致, 比如insert into 表名 (field1,field2,field3) values('a','b')这样前面的是三列,后面却只有二个值,这就会出现这个错误. 或者insert into table select * from table1,但是table和table1字段不…
1.错误描写叙述 java.sql.SQLException:Column count doesn't match value count at row 1 2.错误原因 在插入数据时,插入的字段个数跟数据库表字段个数不一致 insert into student(sno,sname,sage,ssex) values(1,'张三丰','man'); 3.解决的方法 保证插入数据字段个数跟数据库表中的字段个数一致 insert into student(sno,sname,sag…
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 roles as r,authority as a,role_ah as ra where ra.roleId=r.roleId and ra.ah…
count(*).count(1)和count(列名)的区别 1.执行效果上: l count(*)包括了所有的列,相当于行数,在统计结果的时候,不会忽略列值为NULL l count(1)包括了忽略所有列,用1代表代码行,在统计结果的时候,不会忽略列值为NULL l count(列名)只包括列名那一列,在统计结果的时候,会忽略列值为空(这里的空不是只空字符串或者0,而是表示null)的计数,即某个字段值为NULL时,不统计. 2.执行效率上: l 列名为主键,count(列名)…
SELECT AF_DEPARTMENT, dept.FULLNAME, SUM(CASE AF_CLASSIFY WHEN THEN ELSE END) AS 'o_standard', (COUNT(AF_DEPARTMENT) - SUM(CASE AF_CLASSIFY WHEN THEN ELSE END)) AS AND AF_CLASSIFY = ,,)) AS AND AF_CLASSIFY != ,,)) AS ,,) ) AS ,,))) AS 'non_enter' FRO…
报错信息:> 1136 - Column count doesn't match value count at row 1 代码:insert into class(caption) values ('高三十九班','拒水小学一年级九班'); 原因,前面只有一个选项却传了两个是 修改:insert into class(caption) values('高三十九班'),('拒水小学一年级九班');…