1. G061 - Data Dictionary

2. Learning Objectives: describe the components of a data dictionary
By the end of this topic you should be able to:
describe the components of a data dictionary

3. Data Dictionary:
is a complete description of the database

4. Data Dictionary contains:
names of tables (entities)
names of fields (attributes),
data types,
field lengths,
validation checks,
data codes,
primary key fields identified,
the relationships between entities,
list of reports,
list of queries,
access rights

5. Examination questions
Describe three main components of a data dictionary. [6]
G061 January 2009 Q2
The field name is one component of a data dictionary.
Identify and describe two other components of a data dictionary associated with fields. [4]
G061 June 2010 Q4
The identification of keys is one item held in a data dictionary related to a field.
Describe two other items held in a data dictionary related to a field [5]
G061 January 2012 Q5