In the realm of database design, there are a total of twelve distinct keys to be taken into account. Primary, foreign, and unique keys are typically well-known among SQL developers, as they are implemented through SQL syntax and serve as constraints. However, when undertaking database design, it is important to consider additional key types that … Continue reading Understanding Different Key Types in SQL →

In Microsoft SQL Server, several different types of databases can be created and used for different purposes. Here is a brief overview of some of the most common types of databases in SQL Server and the scenarios in which they are typically used. Databases are categorized into two different types, User and System: User databases: … Continue reading What are the different SQL Server databases used for? →

Last updated 09/11/2023 I have moved this list to my GitHub, as it is easier to maintain there. Please use the following link! GitHub - Database Certification List If anyone wants a list of Database related certifications, I created a list. A couple of things first.... In my list below, I have tried to include … Continue reading Database Certification List →

Here is a fun puzzle that I was recently challenged with. We need to determine if a string is balanced if there is a matching opening and closing parenthesis, bracket, or brace. The string must have a matching parenthesis, bracket, or brace, and the matching object must also be in the correct order. Let's look … Continue reading Unbalanced String Puzzle →

For this article, we are going to examine the benefit of using stored procedures that simply return a result set (i.e. a stored procedure that has a SELECT statement). Before we do a shallow dive into this functionality, it is worth noting that SQL Server has three methods of returning data from a stored procedure: … Continue reading Stored Procedures: Returning Data Using a Result Set →

Microsoft has the following page if you have always wondered what the different symbols and formatting mean when viewing syntax examples. Transact-SQL Syntax Conventions (Transact-SQL) - SQL Server | Microsoft Docs It's always a good exercise to review the DDL statements below and take stock of which options you understand or need to brush up … Continue reading SQL Syntax Conventions →