SQL is an ANSI standard computer language for dealing with relational databases. When IBM first developed the language, it was called SEQUEL which later got abbreviated into SQL. SEQUEL was an abbreviation for Structured English QUery Language

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Microsoft IT Academy SQL course material
Entry level: Database
Associate level: SQL Server 2012
Expert level: Data Platform
Expert level: Business Intelligence

SQL Resources

Read "Microsoft SQL Server 2012 Pocket Consultant"

Read "Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions"

Read "Microsoft SQL Server 2012 Analysis Services: The BISM Tabular Model"

Read "Programming Microsoft SQL Server 2012"

Read "Microsoft SQL Server Step by Step"

Read the free e-book "Introducing Microsoft SQL Server 2012"