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Data Definition Language

Data definition language (DDL) is described in the form of SQL which creates, alters,...

Field Reference Files

In AS400, Field Reference file or simply a Reference file is nothing but a...

Physical and Logical Files

Introduction In AS400, a physical file is a fundamental database object used for storing...

Externally Described Files

An externally described file in IBM i (Formerly AS/400 or iSeries) refers to a...

Integrated File System

Integrated File System (IFS) in AS/400 (IBM i) is a feature that allows you...

Source Files and Types

In context with IBM i, a source file is a structured container for housing...

Libraries and Library List

Understanding the Role of Libraries in IBM i (formerly AS/400) Systems In IBM i...

Relational Database Integration

In Database Management System, integrity constraints are pre-defined set of rules that are applied...

Single-Level storage