Microsoft SQL Server Tutorials
Pivoting date columns in SQL Server is a powerful technique that can transform your data presentation and valuable insights. In this comprehensive article, I’ll walk you through multiple approaches to pivot date columns in SQL Server, from basic static methods to advanced techniques. Pivot Date Column In SQL Server Before diving into solutions, let’s understand … Read more
In this comprehensive article, I’ll walk you through multiple approaches to get the latest record by date in SQL Server, explaining the pros and cons of each method so you can choose the right one for your specific situation. SQL Server Get The Latest Record By Date Before diving into the technical solutions, let’s understand … Read more
In this comprehensive article, I’ll walk you through everything you need to know about converting VARCHAR to DATE in SQL Server with real-time examples. How to Convert VARCHAR to Date in SQL Server When working with SQL Server databases, you’ll frequently encounter date information stored as text strings (VARCHAR) rather than proper DATE or DATETIME … Read more
In this detailed article, I’ll walk you through various methods for calculating the date difference in hours in SQL Server, providing practical examples and sharing tips on handling fractional hours and time zones. By the end, you’ll be confident handling any date difference calculation in SQL Server. SQL Server Date Difference in Hours Why Calculate Date Difference … Read more
Recently, I was working on a requirement that involved calculating the time difference. Still, after executing the SQL query, I encountered the error “Explicit conversion from data type datetime2 to float is not allowed.”. Let’s delve into understanding why this happens and explore the best ways to address it. Explicit conversion from data type datetime2 … Read more
Recently, I was working on a requirement to calculate time differences in hours for one of my clients, and after executing a select query, I encountered the error ‘Operand data type datetime2 is invalid for the subtract operator.’ In this article, I will walk you through the cause of this error and the respective solution. … Read more
In this comprehensive article, I’ll guide you through multiple approaches for converting dd/mm/yyyy to date in SQL Server correctly, and provide you with best practices for working with dates in SQL Server. Convert dd/mm/yyyy to date SQL Server Before diving into the solutions, let’s understand why proper date conversion is crucial. SQL Server stores dates … Read more
As a database developer, I’ve often been asked to retrieve age information from birth dates stored in SQL Server. In this comprehensive article, I’ll walk you through multiple approaches to calculate age from date of birth in SQL Server. How to Calculate Age from Date of Birth in SQL Server Before diving into the code, … Read more
In this comprehensive article, I’ll walk you through multiple methods to get weekdays from dates in SQL Server, explain their performance implications with multiple examples. SQL Server Weekday From Date Before diving into the technical details, let’s understand why extracting weekday information is so valuable: Now, let’s explore the various methods to get weekday from … Read more
One of the most common requirements is checking if a date field contains today’s date. In this comprehensive article, I’ll walk you through multiple methods to check if a date is today in SQL Server, sharing the techniques. SQL Server Check If Date Is Today Before diving into specific solutions, it’s essential to understand why … Read more