SQL had a somewhat unusual journey in the TIOBE Index. In 2004, due to debates about whether SQL counted as a programming language at all, Jansen removed it from the index.

Indexing is a critical part of database optimization. Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data ...

In 2018, it was pointed out that SQL is Turing-complete, which makes it a programming language. So SQL was re-added to the index.

An index stores both the values of a table's columns and a system of directions that enable access to rows in that table by index value. Defining an index on a column or set of columns enables SAS, ...