As an SQL database developer, I found that table-valued functions in SQL Server help us manage and manipulate data. In this article, I’ll walk you through the process of creating table-valued functions, their benefits, and some real-world examples you can apply to your database applications. A table-valued function in SQL Server is a user-defined function … Read more
Recently, my team received a requirement to remove an identity column from one of our critical tables. Before trying to do it, we backed up the data for the identity column for the safer side. Then, we followed the simple approaches below to remove the column. Approach-1: Suggested approach You can not just blindly delete the … Read more
As a database administrator working with SQL Server, I’ve often needed to check the size of tables in my databases. Whether you’re managing the storage or optimizing the performance, knowing how to get table size in SQL Server is an essential skill. In this post, I’ll walk you through various approaches I have identified to … Read more
SQL Server does not directly approach the “CREATE TABLE IF NOT EXISTS” syntax like MySQL. Recently, I was required to check if one of the tables in the SQL server database exists. If it doesn’t, I must create a new table with the same name. After analysis, I have identified 4 best approaches to achieve … Read more
Recently, we worked on a requirement to write an SQL script for automation purposes for our production environment. We had to check if the table existed, so we explored multiple approaches. Here, we will discuss the best approaches that we implemented. Approach-1 Using the OBJECT_ID() I have an existing table named “Product.” Let’s use the … Read more
Note that temporary tables are automatically deleted when the session ends; however, you can explicitly delete the temp table using the approaches below. Approach-1 Using the DROP TABLE IF EXISTS Syntax For example, Let us try to delete an existing temp table named #Product. Before that, we can check with the select query to see … Read more
Recently, we worked on a requirement that required us to deal with temporary data storage. This is when we started inserting data into our temp table. During this journey, we identified a few simple and easy-to-use approaches. In this article, we will discuss all those approaches to inserting data into the temp table in the … Read more
It is easy to retrieve all the column names in a table. Let’s understand the whole process using a real-time example. I have an existing table named Vehicle. I want to know the column names available inside that table. There are two simple approaches to getting this. Approach-1 Using the sys.columns We can execute the … Read more
Recently, my team was tasked with implementing a new feature in one of our products that requires adding a new column to an existing table in our SQL database. As a research, we have identified a few best approaches to do this. In this article, we will discuss 3 simple approaches to checking whether a … Read more
Recently, I had the opportunity to work on an important table where I just needed to rename a few columns. Though it looks so simple, since it was a production environment, I was a little careful while doing this. The first thing I did was take a proper backup, and then I followed one of … Read more