Defining Key Structures

Key structures and browse column functions are defined using the DEFINE-KEYS command for each file that is to have keyed access.

The following topics are presented in this section:

Activating the BTREE Key Definition Program

Displaying and Printing Key Structures

Entering Key Definitions

Saving and Compiling Key Definitions

Suppressing Automatic Uppercase in Keys

Key ICONV Functions

Key Browse Column Definitions

Algebraic Expressions

Using Key Definitions

See Also

Using the BTREE File Structure System

BTREE File Structure

Interfacing with Applications

Using Lookup and Browse Routines

Source Code to Lookup Routines

Maintaining Key File Performance

Optimizing Keys

Sizing Key Files

Stack Code Calculator Function

Estimating a Key's Location and File Size

Rebuilding Keys

Key Storage Requirements