How to use Stored Procedure in SQL or Database? Pros and Cons with Example

Hello folks if you want to learn about Stored Procedures in SQL and how it can help you to create a layer of abstraction around functionality then you have come to the right place.  With the help of many examples, we will learn how to construct stored procedures in SQL Server.

Difference between UNION and UNION ALL in SQL

Hello guys, if you are wondering how to combine data from multiple tables into one result set in SQL then there are multiple options. Earlier, we have looked at JOIN which allows you to fetch data from multiple table in single query, other option is UNION and UNION ALL which you can use to combine the data from multiple tables. We saved data in SQL tables in the relational database. We may need to choose data from various tables and aggregate the results of all Select statements on occasion. The SQL Union and versus Union All operators in SQL Server are explained in this article. We'll also look at the differences between these two operators, as well as some applications.