This quick reference contains a high-level description of the Structured Query Language (SQL) used to manage information in an Oracle database. Oracle SQL is a superset of the American National Standards Institute (ANSI) and the International Standards Organization (ISO) SQL:2003 standard.
This preface contains these topics:
- Audience
- Organization
- Related Documentation
- Conventions
- Documentation Accessibility

This quick reference is divided into the following parts:
Chapter 1, “SQL Statements”
This chapter presents the syntax for Oracle SQL statements.
Chapter 2, “SQL Functions”
This chapter presents the syntax for SQL functions.
Chapter 3, “SQL Expressions”
This chapter presents the syntax for SQL expressions.
Chapter 4, “SQL Conditions”
This chapter presents the syntax for SQL conditions.
Chapter 5, “Subclauses”
This chapter presents the syntax for all subclauses found in Chapters 1 through 4.
Chapter 6, “Datatypes”
This chapter presents datatypes recognized by Oracle and available for use within SQL.
Chapter 7, “Format Models”
This chapter presents the format models for datetime and number data stored in
character strings.
Appendix A, “SQL*Plus Commands”
This appendix presents the basic SQL*Plus commands.

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