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Database Systems by Shripad V. Godbole, Elvis C. Foster

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CHAPTER 10

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Overview of SQL

The Structured Query Language (SQL) has become the universal language of choice for DBMS products. A study of this language is therefore imperative for the student of computer science or computer information systems. This and the next few chapters will help you acquire a working knowledge of the language, as implemented in the Oracle environment (Oracle 10G or 11G). One fact you need to be immediately cognizant of is that there are different implementations of SQL. However, the implementations usually have more in common than differences; therefore once you have mastered the language in one DBMS environment, adjusting ...

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