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SQL Procedures, Triggers, and Functions on IBM DB2 for i by Simona Pacchiarini, Tom Mckinley, Doug Mack, Jim Denton, Dan Cruikshank, Mike Cain, Rob Bestgen, Hernando Bedoya, Jim Bainbridge

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SQL fundamentals
This chapter describes Structured Query Language (SQL) fundamentals that are referenced throughout this book.
This chapter includes the following topics:
3.1 SQL concepts
This section covers the SQL concepts are used and referenced throughout this book:
Schemas and libraries
Unqualified object names
SQL PATH
Global variables
For more information, see the DB2 for i SQL reference at this website:

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