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Query Optimization Techniques in Microsoft SQL Server

Author

Listed:
  • Costel Gabriel CORLĂŢAN

    (University of Economic Studies, Bucharest, Romania)

  • Marius Mihai LAZĂR

    (University of Economic Studies, Bucharest, Romania)

  • Valentina LUCA

    (University of Economic Studies, Bucharest, Romania)

  • Octavian Teodor PETRICICĂ

    (University of Economic Studies, Bucharest, Romania)

Abstract

Microsoft SQL Server is a relational database management system, having MS-SQL and Transact-SQL as primary structured programming languages. They rely on relational algebra which is mainly used for data insertion, modifying, deletion and retrieval, as well as for data access controlling. The problem with getting the expected results is handled by the management system which has the purpose of finding the best execution plan, this process being called optimization. The most frequently used queries are those of data retrieval through SELECT command. We have to take into consideration that not only the select queries need optimization, but also other objects, such as: index, view or statistics.

Suggested Citation

  • Costel Gabriel CORLĂŢAN & Marius Mihai LAZĂR & Valentina LUCA & Octavian Teodor PETRICICĂ, 2014. "Query Optimization Techniques in Microsoft SQL Server," Database Systems Journal, Academy of Economic Studies - Bucharest, Romania, vol. 5(2), pages 33-48, September.
    • Handle: RePEc:aes:dbjour:v:5:y:2014:i:2:p:33-48
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