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Oracle SQL by Carol McCullough-Dieter, Gavin JT Powell

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7

Operators, Conditions, and Pseudocolumns

In this chapter:

  • What is precedence?

  • What is an operator and what is available?

  • What is a condition and what is available?

  • What are pseudocolumns and what is available?

Note: Backus-Naur Form syntax angle brackets are used syntactically in this chapter to represent substitution of all types. For example, <expression> = <expression>.

Operators, conditions, and pseudocolumns are used and often explained throughout this book. This chapter may duplicate parts of other chapters with the intention of including all specific details in a single chapter. Additionally, some of the content of this chapter is common to many software products. Need it be repeated? Yes, because this title is intended for use as ...

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