There are two categories of integrity constraints: General constraints, which allow you to restrict the data values that are accepted for the variables in a single data file, such as requiring that ...

Recently, my good friend and co-worker Aaron Bertrand and I were producing a video for the upcoming PASS Summit 2015 event. (Learn more about the international SQL ...

The transaction log file contains the SQL Server transactions of the database. It basically records the database transactions and the changes made by the transactions to the database. The logs are ...

The October release of Azure Data Studio (formerly called SQL Operations Studio) includes preview support for SQL Server 2019 and more. Azure Data Studio, which was introduced last year as SQL ...

When it comes to improving the performance of database systems, there are nearly as many approaches as there are DBA (database administrator) teams. That might sound acceptable at first glance. But, ...