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Introduction to Information Technology, 2nd Edition by ITL Limited ITL Education Solutions Limited

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Chapter 21

Structured Query Language (SQL)

 

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This chapter introduces the reader to Structured QueryLanguage (SQL), which is a standard computer language foraccessing and manipulating databases. It is used by the useras a means of communication to the database managementsystem (DBMS). SQL commands consist of English-likestatements, which are used to query, insert, update, anddelete data. The chapter starts by describing the role andcharacteristics of SQL in a DBMS environment and how itevolved as a database language. The rest of the discussionis focussed on some of the most important and commonlyused SQL commands and queries.

CHAPTER OBJECTIVES ...

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