WebNov 9, 2012 · 1 Answer. Sorted by: 3. You have a composite primary key defined on the table. May be you are trying to insert records in a batch during the same session. And … WebMay 19, 2024 · However, given the naming of the column and tables I suspect you have the relationship defined in the wrong direction and that IDUrusetia on peserta should be the foreign key to urusetia, and IDUrusetia on urusetia should be the primary key on that table. See Difference between Primary Key and Foreign Key - GeeksforGeeks
When Does JPA Set the Primary Key Baeldung
WebDuplicate entry ‘12’ for key ‘PRIMARY’ The primary key column is unique and it will not accept the duplicate entry. So when you are trying to insert a new row which is already present in you table will produce this error. To solve this, Set the primary key column as AUTO_INCREMENT. WebMar 13, 2024 · Duplicate entry '1-2' for key 'sound.PRIMARY'. 这个错误消息通常表示在您的数据库中尝试插入重复数据时出现了错误。. 具体来说,这个错误消息提示在 "sound" 这个字段上,不能有重复的值。. 这个字段被定义为 "PRIMARY" 键,这意味着它不能有重复的值,因为作为主键,它 ... cimspa career pathway
Mysql2::Error: Duplicate entry
WebAug 12, 2024 · mysql报错:Duplicate entry ‘1’ for key ‘PRIMARY’ 原因:主键是在同一张表中必须是唯一的,如果在进行数据插入的时候指定的主键与表中已有 的数据重复的话 … WebMay 16, 2024 · 「Duplicate entry ‘1’ for key ‘PRIMARY’」とSQLでエラー表示されるとき sell SQL SQLでデータの更新をかけようとすると、下記のエラーが発生 ERROR 1062 (23000): Duplicate entry '1' for key 'PRIMARY' 意味 キーが重複している. すでにそのデータが存在している時などに出力されるエラー。 対応策 更新使用としているデータを … 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. cim-software