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We need to use IS NULL or IS NOT NULL syntax when we compare the NULL values in a table

5 Best Practices for writing SQL queries

December 30, 2022 by

In this article, we are going to learn some best practices that help to write more efficient SQL queries.

Introduction

Queries are used to communicate with the databases and perform the database operations. Such as, we use the queries to update data on a database or retrieve data from the database. Because of these functions of queries, they are used extensively by people who also interact with databases. In addition to performing accurate database operations, a query also needs to be performance, fast and readable. At least knowing some practices when we write a query will help fulfill these criteria and improve the writing of more efficient queries.

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SQLShack

Best author award in 2021

January 3, 2022 by

One more year is behind us, and unfortunately, we are all still in the COVID-19 regime. But SQLShack Community continuous to grow and we are thankful for that to all our readers!

SQLShack Community team was diligent this year and make an effort to brought to you the best content on the network. We’d like to thank all of the authors for their contribution to spreading the knowledge around the SQL community. We couldn’t have done it without you all!

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SQLShack

Best author award in 2020

January 5, 2021 by

2020 is finally over – and who’s not thankful for that? We most definitely are. Although 2020 was a total bummer ever since the COVID-19 outbreak, it was a great year for the SQLShack community. We’ve published a ton of great articles written by SQL Server professionals and community members.

We’d like to thank all of the authors for their contribution to spreading the knowledge around the SQL community. We couldn’t have done it without you all!

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SQLShack

Best author award in 2019

January 3, 2020 by

2019 was a great year for the SQL Shack community, and 2020 is shaping up to be just as exciting. Thanks to our writers – SQL professionals and community members, we continue to spread the knowledge around the SQL community.

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