sql performance tuning

Database objects are often locked by processes, leaving other processes to get blocked. Locking is important as it forces every single transaction in SQL Server to undergo the ACID test, enforcing integrity in the process. Here, we will uncover some useful...

One of the main reasons behind the existence of query attributes is their use in adding metadata to statements. The metadata offers an additional context in MySQL database and SQL , such as the information about the location within the application of...

In this blog, we'll cover redundant and duplicate indexes, which are quite common in applications and affect database performance. An index is duplicated when there is more than one defined on a single column. Such indexes may have varying names or keywords...

There has been a debate ever since the creation of both temp tables and table variables - which of them should be used in a given situation? Ever since their introduction, the key to finding an answer has been the same - knowing the specifics in the instance...