In this article, we will explore how to update and delete data using SQL, providing both theoretical insights and practical examples to help you become proficient in these essential database tasks. Updating allows you to modify existing records while deleting allows you to remove unwanted data from your database. You should always exercise caution when […]
6 – SQL Update command and SQL Delete row Read More »
In this article, we will explore the process of creating and altering tables in SQL Server, including an explanation of data types, practical examples, and best practices. In a relational database, data is organized into tables. Each table comprises rows and columns, where each row represents a unique record, and each column defines a specific
7 – SQL Create table and Alter table Read More »
SQL views are virtual tables that provide a way to simplify complex queries and enhance data security by limiting access to specific columns or rows of a table. Views can be used by external reports or applications to save other developers from having to deal with some of the complexities of data extraction. In this
8 – Create and Alter Views Read More »
Working with a Stored Procedure / SPROC is considered an advanced skill in SQL development. Sometimes a stored procedure is abbreviated to sproc. Stored Procedures / SPROCs are precompiled SQL statements that can be executed in a controlled manner. They can accept input parameters, output parameters and a single return value. They are similar to
9 – SQL Stored Procedure / SPROC (create, alter, drop, exec) Read More »
SQL indexes are a crucial component of any relational database management system, including Microsoft SQL Server. They play a vital role in improving query performance, as they help the database engine quickly locate and retrieve data. The syntax to create an index in SQL can vary depending on what database you are using. In this
10 – SQL index (Create, Alter and Drop) Read More »
