解决mysql Table 'xxx' is marked as crashed and should be repaired的问题. 某个表在进行数据插入和更新时突然出现Table 'xxx' is marked as crashed and should be repaired这个异常,随后整个表无法查询,表数据全部丢失. 解决办法: 切换至mysql bin目录 ./myisamchk -c -r 数据库表MYI文件的路径 例如:./myisamchk -c -r /home/mysql/…
使用Phalcon开发工具,通过命令行生成程序框架 设置好config.php,在对数据库进行读取.保存数据的时候出现了问题“Table 'XXX' doesn't exist in database when dumping meta-data for XXX” 注意到上方还有一条语句“Array to string conversion”,找到对应services.php处的代码 $di->set('db', function () use ($config) { return new Db…
mysql主从同步失败.错误日志如下. Column 1 of table 'xxx' cannot be converted from type 'varchar(33)' to type 'varchar(11)' 这个我的机器的问题是数据库的字符集问题, 首先关闭从 ① stop slave: ② 执行修改语句. ③ start slave:…
1.执行sql语句报上面的错误: DELETE FROM db_student WHERE RowGuid IN ( SELECT RowGuid FROM db_student WHERE age = GROUP BY RowGuid HAVING count( * ) > ) AND ID NOT IN ( SELECT MAX( ID ) AS id FROM db_student WHERE age = GROUP BY RowGuid HAVING count( * ) > ) 报错…
原文:SQL logic error or missing database no such table: xxx System.Data.SQLite.SQLiteException (0x80004005): SQL logic error or missing database no such table: xxx 错误原因:在连接数据库时,数据库文件没有使用绝对路径: new SQLiteConnection("Data Source=xxx.sqlite;Version=3;"…
删除主键时,出错:[Err] 1075 - Incorrect table definition; there can be only one auto column and it must be defined as a key alter table table_name drop primary key; # [Err] 1075 这是因为,建表时,该主键设置的是自增属性:即AUTO_INCREMENT 而自增列只能有1列,且这列必须为key,也就是建表的时候,如果是自增列,必须用prim…
MySQL: Solution for ERROR 1442 (HY000): Can't update table 'xxx' in stored function/trigger because it is already used by statement which invoked this stored function/trigger. 今天在做触发器时发生了这个错误 原因是在对某表操作时同时触发对该表插入 估计这在mysql不允许的 不可以把触发条件和触发动作归于一表…
不同于oracle和sqlserver,mysql并不支持在更新某个表的数据时又查询了它,而查询的数据又做了更新的条件,因此我们需要使用如下的语句绕过: , notice_code ) a) ; 本地测试是通过的,但是在上到测试环境的时候,发现还是会报如下错误: , notice_code ) a) ; - You can't specify target table 'teaching_department' for update in FROM clause 对比版本发现,本地是5.6.25…
问题: 今天在MySQL数据库删除重复数据的时候遇到了一个问题.如下脚本: DELETE FROM tempA WHERE tid IN ( SELECT MAX(tid) AS tid FROM tempA GROUP BY name,age ) 会出现报错信息: You can't specify target table 'tempA' for update in FROM clause 大致意思是,在同一语句中,不能先select出同一表中的某些值,再update这个表. 解决方法: 需…
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 Connected as tbcs SQL> SQL> SQL> drop trigger tbcs.TRG_CJW_TEST; drop trigger tbcs.TRG_CJW_TEST ORA-04080: trigger 'TRG_CJW_TEST' does not exist SQL> drop table tbcs.cjw_te…
含义:您不能在子句中为更新指定目标表'xxx'. 错误描述:删除语句中直接含select,如下: DELETE FROM meriadianannotation WHERE SeriesID IN ( SELECT SeriesID as tid FROM meriadianannotation GROUP BY SeriesID HAVING count(SeriesID) > 1 ) AND data NOT IN ( SELECT min(data) as bid FROM meriadi…
现象描述 访问 Zabbix Web,出现如下错误提示: • Error in query [SELECT * FROM history_uint h WHERE h.itemid='25067' ORDER BY h.clock DESC LIMIT 1 OFFSET 0] [Table './zabbix/history_uint' is marked as crashed and should be repaired] • Error in query [SELECT * FROM his…
DELETE from sp_goodscontent where goodsId in (SELECT t.goodsId from ( SELECT goodsId FROM sp_goodscontent GROUP BY goodsId HAVING count(1)>1 ) t) 之前的sql 查询,需要改成中间临时表再查询…
这个错误的意思是,不能在update某张表的where条件中,再次select这张表的某些值作为筛选条件,比如: update message set content = "hello" where id in (select min(id) from message group by uid) 修改sql语句的解决方法是: 通过 select * from message 创建一个message的临时表,这样,update与select min(id) from操作的就不是同一张实体…