How to fix duplicate entry for primary key?

How to fix duplicate entry for primary key?

How to fix: MySQL Duplicate entry for key PRIMARY on…

1. Create a backup of the database by issuing: mysqldump -uUSER -pPASSWORD DBNAME > /tmp/my_backup. sql.
2. Drop and recreate the database. drop database DBNAME; create database DBNAME;
3. Reload the import. mysql -uUSER -pPASSWORD DBNAME < /tmp/my_backup. sql.

How to fix duplicate entry in MySQL?

MySQL can remove duplicates record mainly in three ways.

1. Delete Duplicate Record Using Delete Join. We can use the DELETE JOIN statement in MySQL that allows us to remove duplicate records quickly.
2. Delete Duplicate Record Using the ROW_NUMBER() Function.
3. DELETE Duplicate Rows Using Intermediate Table.

How do I fix error 1062 in MySQL?

How to fix MySQL replication Error Code : 1062

1. Delete the row – This is the faster and safer way to continue if you know that the row being written is exactly the same as what’s already present.
2. Skip the row – If you are not sure there’d be a data loss, you can try skipping the row.

What does a duplicate transaction mean?

Duplicate Transaction Defined: A duplicate transaction is defined as a purchase from the same retailer/vendor for the same or similar amount, occurring within a short amount of time (e.g., scheduling exam appointments with Examity, for the same amount and within a short period of time).

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 repair database with autoincrement and primary key?

Repair the database by your domain provider cpanel. The DB I was importing had a conflict during the import due to the presence of a column both autoincrement and primary key. 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.

How to find the primary key in MySQL?

Use SHOW CREATE TABLE your-table-name to see what column is your primary key. Make sure PRIMARY KEY was selected AUTO_INCREMENT. When you execute the insert command you have to skip this key.

Is the primary key column in MySQL corrupt?

A primary key column’s data is all suppose to be different, so that bottom 1 I changed to 3 and the error went away. Your MySql is not corrupt, like previous answers and comments. you need to delete any previous tables that you are over-writing. if you are doing a complete restore of all tables, delete all existing tables.