Preparing for a SQL job interview? Find out the top 25 SQL Query Interview Questions & Answers in this article.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Joey on SQL Server Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization Reduce workload times with this handy feature that can benefit every database pro.

Removing duplicates rows from a unique index SQL Server table You can use the index to classify the duplicate data in unique index tables then delete the duplicate records. First, we need to create a ...

Query Store is one of the most powerful database-scoped features in SQL Server for troubleshooting performance and improving the stability of your database.

Joey on SQL Server A Deep Dive into SQL Server 2022's Query Performance Features, Part 1 An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the ...