How to Delete Duplicate Rows in SQL? | SQL Queries

In this article, we will discuss how to delete duplicate rows from a table in SQL server This is a very common SQL interview question. Here is the table with duplicate data, notice that mark record is duplicated 3 times Marry record 2 times and Ben record 3 times. Now the delete query that we … Read more How to Delete Duplicate Rows in SQL? | SQL Queries

What is the difference between Union and Union ALL? | SQL Queries

Here we will see the practical examples after reading this article you will be able to understand the major difference between union and union all. This is one of the commonly asked interview question. One should answer this question because it is a very basic question in SQL People often confuse when an interviewer ask … Read more What is the difference between Union and Union ALL? | SQL Queries