Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even ...

Everyone knows what the default database isolation level of MySQL is, right? Yes, it is RR. But why do major internet ...

Any query serves as a table to be queried by any other query, which is why queries may be nested almost infinitely within queries. Anyone who has seen a ten- or twenty-page SQL SELECT statement can ...

The sample SQL statements in coursebooks are usually simple and easy to understand. They even read like English sentences, giving the impression that SQL is rather simple and easy to learn. Actually, ...

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

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how.

Issue #, if available: Description of changes: The change intend to support EXISTS in nested query. scope Support 1 EXISTS SubQuery in Nested Query where clause. The SubQuery must be uncorrleated ...

In this article we will learn how to check if a stored procedure exists before creating it. We can use the below script which will drop the proc if it exists and then recreate it.