Why is MySQL error 1062 showing duplicate entry?

Why is MySQL error 1062 showing duplicate entry?

As looking on your error #1062 – Duplicate entry ‘2-S. Name’ for key ‘PRIMARY’ it is saying that you use primary key in your number field that’s why it is showing duplicate Error on Number Field. So Remove this primary Key then it inset duplicate also. Share.

Why is MySQL replication duplicate entry for PRIMARY KEY database?

For example, you are trying to insert some values to 914166th row. Why this error occurs? This error occurs because of duplicate value. You are trying to insert/update 914166 to a table activity as a primary key, but the value 914166 already exists in that table activity.

How to get rid of duplicate entries in MySQL?

When you try to insert to that column, the higher value is still 127, but you already have an entry with that value, so the error will tell you that you try to enter a duplicate entry (‘127’). Solution: change the definition of your PRIMARY KEY to a higher INT.

Why is MySQL duplicate entry on auto increment?

Go to Page… These errors were coming up on various tables at different times in the day, but the crazy thing is – the duplicate key error is on an auto-increment field! That’s not normal. Running a mysqlcheck reported all tables are OK.

Is there a duplicate key entry error in DML?

When the DML operations are applied, it is possible to encounter a duplicate key entry error (ERROR 1062 (23000): Duplicate entry), even if the duplicate entry is only temporary and would be reverted by a later entry in the “online log”.

Why is MySQL error saying there is no primary key?

What the error actually denotes is that a pending key value is blank. The solution is to populate the column with unique values and then try to create the primary key again. There can be no blank, null or duplicate values, or this misleading error will appear.

What causes a duplicate entry for a primary key in MySQL?

The problem was that in the .sql file the table was chopped into multiple “INSERT INTO” and during the import these queries were executed all together. I had this error from mySQL using DataNucleus and a database created with UTF8 – the error was being caused by this annotation for a primary key:

How to get rid of duplicate entry error?

STEP 1. Firstly backup your database using the below command STEP 2. Once the backup is done, drop the database STEP 3. Now recreate the database, by using the below command STEP 4. Now that you have created the database import using the below command STEP 5. Now check if the duplicate entry ‘1’ for key ‘primary’ error still occurs 5.

When does duplicate entry error occur in PHP?

Users have reported that the error has commonly occurred when using the SQL. The error appears when updating the tables. Furthermore, the error has occurred in several scenarios which include using Laravel, PHP, Atlassian, Joomla, and similar web development and databases.