WebApr 4, 2024 · 例:Duplicate entry ‘0’ for key ‘PRIMARY是指主键为0的数据已经存在,不能再插入主键值为0的数据了。 问题 解决: 在执行插入操作insert前,可以先执行一遍该主键值的查找操作select 【简单的来说,就是这个语句已经执行过了,无需重复执行】 1062 、1060报错都是 ... WebMar 22, 2012 · Duplicate entry for key PRIMARY Closed (fixed) Project: Computed Field Tools Version: 7.x-1.0 Component: Code Priority: Critical Category: Bug report Assigned: frakke Issue tags: RTBC Reporter: roball Created: 22 Mar 2012 at 12:50 UTC Updated: 7 Jun 2015 at 09:35 UTC Jump to comment: Most recent, Most recent file Strange.
「Duplicate entry ‘1’ for key ‘PRIMARY’」とSQLでエラー表示さ …
WebApr 10, 2024 · mysql 出现Duplicate entry ‘xxx’ for key ‘PRIMARY’,一个自增字段达到了上限,而且继续向里面插入数据的话会出现 Failed to read auto-increment value from … WebApr 10, 2024 · Solution. If there are too many data changes and the actual data volume in the table is far less than the capacity of the auto-increment primary key, import all data in the table to a new table, delete the original table, and change the name of the new table back to the original table. greedy feeder hay nets
Solución (FIX) : SQL Error [1062] [23000]: Duplicate entry …
WebMar 14, 2024 · duplicate entry '4' for key 'primary'. 这是一个数据库错误提示,意思是在插入数据时,发现已经存在一个主键为4的记录,因为主键是唯一的,所以不能插入重复的主键值。. 需要检查数据库中是否已经存在主键为4的记录,如果是,需要修改或删除该记录,如 … WebAug 12, 2015 · If there are FOREIGN KEY s, and potential conflicts (duplicates and/or KEY violations), then this won't work. It may be the reason for your error. I created a table (bill) as follows. mysql> CREATE TABLE bill (fred INT, paul VARCHAR (10)); Query OK, 0 rows affected (0.31 sec) Then inserted some sample values. WebMar 24, 2024 · 在执行插入操作insert前,可以先执行一遍该主键值的查找操作select,例如: 执行插入一条 (0,“张三”)操作 insert into table(id,name) values(0,'张三'); 报错:Duplicate entry ‘0’ for key ‘PRIMARY 可在插入前加一个判断,若主键值为0可查找到,即存在;若查找不到,则执行插入操作。 select id from table where id = 0; 本文参与 腾讯云自媒体分 … greedy first-fit