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Introduction to SQL, SQL*Plus, and SQL Developer

Authors: Lex de Haan; Daniel Fink; Tim Gorman; Inger Jørgensen; Karen Morton;

Introduction to SQL, SQL*Plus, and SQL Developer

Abstract

This chapter provides an introduction to the SQL language and two tools for working with it. The first section presents a high-level overview of the SQL language, which will give you an idea of the capabilities of this language. Then some important basic concepts of the SQL language are introduced in the second section, such as constants, literals, variables, expressions, conditions, functions, operators, operands, and so on. Finally, this chapter provides a tour of SQL*Plus and SQL Developer, the two main tools we will use throughout this book to learn the SQL language. In order to maximize the benefits of any tool, you first must learn how to use it and to identify the main features available in that tool.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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