VALUES can use this to insert values again after deletion.īelow is the given query that returns all data from the customers table: SELECT * FROM customers order by custid Insert sample data values into the customers table for the demonstration. CREATE TABLE customers (custid INT, first_name VARCHAR(50) NOT NULL, last_name VARCHAR(50) NOT NULL, email VARCHAR(255) NOT NULL ) ĬREATE TABLE customers (custid INT, first_name VARCHAR(50) NOT NULL, last_name VARCHAR(50) NOT NULL, email VARCHAR(255) NOT NULL ) The following script creates a table customers with four columns (custid, first_name, last_name, and email). Delete Duplicate rows using ROW_NUMBER() Function.Delete Duplicate rows using a temporary table.Delete Duplicate rows using Nested Query.Delete Duplicate rows using the DELETE JOIN statement.There are four different approaches to accomplishing this task. This article will show you the numerous ways to delete duplicate rows present in the table in MySQL. Delete Duplicate Rows Using the ROW_NUMBER() Function.Delete Duplicate Rows Using a Temporary Table.Delete Duplicate Rows Using Nested Query.Delete Duplicate Rows Using the DELETE JOIN Statement.
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