Progress
Database Administration
Guide and Reference


Progress Database Architecture

The three Progress Version 9 databases (Enterprise, Workgroup, and Personal) contain not only data but also information about their schema. Figure 1–1 illustrates the components of a Progress Version 9 Database.

Figure 1–1: Version 9 Structure

As shown in Figure 1–1, a typical Progress Version 9 database consists of:

NOTE: Throughout this guide, the word database means collectively, the database, event log, transaction log, schema files and recovery files. You should treat these files as an indivisible unit. For example, the phrase “back up the database” means “back up the database data, .lg, .dn, .tl, .ai, and .bi files together.” This is an important concept to remember as you read through this guide.


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