In the world of databases and software development, maintaining data integrity and consistency is critical. In this case, Transaction Control Language (TCL) commands come in handy. TCL is a SQL (Structured Query Language) subset designed primarily to handle database transactions. In this post, we will look over TCL commands, analyze their significance, and provide real-world …
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SQL Tutorial: Order of SQL Execution
SQL is a widely used programming language for managing and manipulating relational databases. SQL statements are executed in a specific order to produce the desired results. Understanding the order of SQL execution is crucial for developing efficient and effective SQL queries. In this article, we will discuss the order of SQL execution with clear examples. …
Some Important Tips For SQL Query Performance
1. Always use SET NOCOUNT ON and SET NOCOUNT OFF inside a Stored Procedure. It will then not print how many records are being affected by the execution of the Stored Procedure. CREATE PROCEDURE [dbo].[usp_AllEmployee] AS SET NOCOUNT ON ———————- ———————- ———————- SET NOCOUNT OFF 2. Always use the WITH(NOLOCK) option while writing a SELECT query. Using …