Have you ever tried to import data from Excel to SQL Server and experience this error? Yes, I have experienced it and solved it. I will be glad to share the solution with you. Follow the steps below and you’ll be able to demystify the […]
UNION and UNION ALL are both used to retrieve records from multiple tables. This article will detail the differences between the two, allowing you to make the best choice for each unique scenario. You can use SQL’s UNION and UNION ALL commands to get data from multiple tables in […]
One of the greatest challenges in writing queries is deciding which to use, whether to use joins or sub-queries. The truth is that they vary, there are situations that subquery is best to use and there are some situations that join is the best option. […]