Query analysis

Esat Erkec
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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