WebMySQL报错:Duplicate entry ‘xxx‘ for key ‘xxx‘_雅俗共赏zyyyyyy的博客-程序员宝宝. 看到这个报错,我心想不就是主键的值重复了吗,可是查看对应的数据库表之后傻眼了,发 … Webmysql 添加数据时报错1062-Duplicate entry '1' for key 'PRIMARY' 添加第三行数据时报错 解决方法: 这里我的学号设置成了主键,主键时唯一的,所以我添加的第三行数据会报错
Mysql出现问题:ERROR 1062 (23000): Duplicate entry ‘‘ for key …
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 … WebERROR - Duplicate entry '0' for key 'PRIMARY' - TravianZ Thread starter Caio Kawasaki; Start date Nov 24, 2012; Status Not open for further replies. Nov 24, 2012 #1 Caio Kawasaki. Initiate Mage. Inactive Account. Joined Nov 24, 2012 Messages 10 explain ending of the wonder
Caused by: java.sql.SQLIntegrityConstraintViolationException: Duplicate …
WebDec 23, 2024 · 使用replace当插入的记录遇到主键或者唯一重复时先删除表中重复的记录行再插入 3.*ON DUPLICATE KEY UPDATE *NAME1=VALUES (ID)+1 INSERT TO Table_name () VALUES (1,1), (1,2) ON DUPLICATE KEY UPDATE NAME1=NAME1+1; ON DUPLICATE KEY UPDATE后面使用VALUES指的是插入记录的值,而不使 … WebJul 23, 2013 · Dealing with duplicates on insert: If you try INSERT a duplicate values for a primary key (or a unique index) you will always get that error. There are a couple of ways around it: check before you insert and either do an update (if something might have changed) or just don't do anything. WebAug 21, 2012 · The first thing: you have to make sure you PRIMARY KEY was seted AUTO_INCREMENT. The second thing: you just enable Auto increment by : ALTER … explain enforceability of fundamental duties