Basic Data Dictionary and Table Concepts

Overview

This document provides an overview of the basic concepts related to data dictionaries and tables in DataFlex.

Key Concepts

• Tables, Columns and Rows
• Indexes
• Relationships
• Record Identity and RowId
• Transactions, Locking and Multi-user Support
• File Buffers and DDO-Field Buffers
• The File_Field and Field Keywords
• The File Commands
• The Database API