Concepts

This chapter provides a high-level view of concepts that are important to understand when using Structured Query Language (SQL). The reference material contained in the rest of this manual provides a more detailed view.

DB2® UDB for iSeries SQL Reference describes the following concepts:

• Relational database
• Structured Query Language
• Schemas
• Tables
• Views
• User-defined types
• Aliases
• Packages and access plans
• Routines
• Sequences
• Authorization, privileges and object ownership
• Catalog
• Application processes, concurrency, and recovery
• Isolation level
• Storage Structures
• Character conversion
• Sort sequence
• Distributed relational database