Introduction
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Introduction
This guide documents the changes made in the Firebird SQL language between InterBase 6 and Firebird 2.0.x.
It covers the following areas:
- Reserved words
- Data types and subtypes
- DDL statements (Data Definition Language)
- DML statements (Data Manipulation Language)
- Transaction control statements
- PSQL statements (Procedural SQL, used in stored procedures and triggers)
- Context variables
- Operators and predicates
- Internal functions
- UDFs (User Defined Functions, also known as external functions)
To have a complete Firebird 2.0 SQL reference, you need:
- The InterBase 6.0 beta SQL Reference (
LangRef.zipand/orSQLRef.html) - This document
Topics not discussed in this document include:
- ODS versions
- Bug listings
- Installation and configuration
- Upgrade, migration and compatibility
- Server architectures
- API functions
- Connection protocols
- Tools and utilities
Consult the Release Notes for information on these subjects. You can find the Release Notes and other documentation via the Firebird Documentation Index at https://www.firebirdsql.org/index.php?op=doc.
Versions covered
This document covers all Firebird versions up to and including 2.0.6.
Authorship
Most of this document was written by the main author. The remainder (5–7%) was lifted from various Firebird Release Notes editions, which in turn contain material from preceding sources like the Whatsnew documents. Authors and editors of the included material are:
- J. Beesley
- Helen Borrie
- Arno Brinkman
- Frank Ingermann
- Alex Peshkov
- Nickolay Samofatov
- Dmitry Yemanov
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