DDLDML

Contains the following types of information:

• DC/UCF system definitions
• Non-SQL schema and subschema definitions
• Maps
• Dialogs
• Source modules
• Record and element descriptions
• IDD users
• Classes and attributes

DDLDCLOD

Contains load modules associated with entities contained in the DDLDML area; for example:

• Map load modules
• Dialog load modules
• Subschema load modules

DDLCAT

Contains definitions of physical databases (segments, DMCLs, database name tables); at sites with the SQL option, contains definitions of SQL entities (tables, constraints, indexes, and so on)

DDLCATX

Contains indexes defined on entities stored in the DDLCAT area

DDLCATLOD

Contains:

• DMCL load modules
• Database name table load modules
• Access modules at sites with the SQL option

DDLDCMSG

Contains system and user-defined messages