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Mysql upgrade error 1062 duplicate entry

Repeating the same update in smaller increments such that fewer records will. UPDATE文でCASE式を使った際に「 Duplicate Entry ' ' for key ' primary' 」 エラー発生。 エラーの出たSQLは大まかに以下の様な感じ。 UPDATE table SET field1 = ( CASE field2 WHEN value1 THEN value2 END), field2 = ( CASE field2. mysql> INSERT INTO tbl_ unique_ test VALUES ( 1, 1) ; Query OK, 1 row affected ( 0. 同じクエリをもう一回叩いてみます。 mysql> INSERT INTO tbl_ unique_ test VALUES ( 1, 1) ; ERROR: Duplicate entry ' 1' for. 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 e UPDATE IGNORE : update IGNORE bccontacts set mobile_ no= ' ' where mobile_ no=. More info here: mysql. com/ doc/ refman/ 5. mysql> CREATE TABLE ` users` ( ` id` INT UNSIGNED NOT NULL PRIMARY KEY AUTO_ INCREMENT, ` name. Query OK, 0 rows affected ( 0. ERROR: Duplicate entry ' Pamela' for key ' name'.

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  • Video:Duplicate error entry

    Error entry mysql

    insert into table1 values( ' 1', ' 2' ) ; update table1 set b = b+ 1 where a = ' 1' ; とすると、 ERROR 1062: Duplicate entry ' 1- 2' for key 1 とエラーになってしまいます。 どうやら unique の制約に引っかかっているみたいです。 結果としては 1, 2. Duplicate Key Errorが起きるが、 MYSQLでは幾つかDuplicate Key Errorの場合に どのように処理するか対応する方法がある。 dup. ERROR: Duplicate entry ' 1' for key ' PRIMARY' mysql> insert ignore into. Due to an error at the source it is one day out, so after loading into the database I use this SQL statement to increment the date. Last week it worked fine, however now I get an error: MySQL said: # 1062 - Duplicate entry ' ' for key 1. 3+ Description: mysql_ upgrade fails with below error, when there are duplicate entries( like and localhost' ) in mysql.