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Chapter Review

In this chapter, you:

This chapter introduced the following patterns (and their scoped objects):

Chapter Review

Pattern

Description

Chapter Review (2)

FIELDS/Identifier

A 10-character data field.

Chapter Review (3)

FIELDS/LongDescription

A variable-length character field.

Chapter Review (4)

DATE/CheckedDateISO

A date field, where the date is stored in the ISO standard for dates.
Verifies that dates entered are valid.

Chapter Review (5)

FOUNDATION/EditDetail

Lists database records and lets you edit, add, change, and delete records in a single dialog.

This chapter introduced the following triples:

Triple

Description

ENT known by FLD

Defines the primary key of an entity

ENT has FLD
...optionality SYS

Defines a data attribute of an entity and whether it is mandatory or optional to provide a value for a field

ENT is a ENT

The source entity inherits the properties of the target entity.

FLD is a FLD

The source field inherits the properties of the target field

TBL implement SYS

Specifies whether to generate and build a database table