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Database Concepts

In This Chapter
Illustration of a Data Model
Storing Data
Querying Data
Modifying Data
Concurrent Use and Security
Controlling Database Use
Access-Management Strategies
Centralized Management
Important Database Terms
The Relational Database Model
Tables
Columns
Rows
Views
Sequences
Operations on Tables
The Object-Relational Model (IDS)
Structured Query Language
Standard SQL
Informix SQL and ANSI SQL
Interactive SQL
General Programming
ANSI-Compliant Databases
Global Language Support (GLS)
Summary
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