PostgreSQL 7.3.2 Tutorial The PostgreSQL Global Development Group PostgreSQL 7.3.2 Tutorial by The PostgreSQL Global Development Group Copyright © 1996-2002 by The PostgreSQL Global Development Group instance-level rule system was removed. Rules were still available as rewrite rules. • A short tutorial introducing regular SQL features as well as those of Postgres95 was distributed with the source 0 was released. iii Preface 3. What’s In This Book Welcome to PostgreSQL and the PostgreSQL Tutorial. The following few chapters are intended to give a simple introduction to PostgreSQL, relational

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