Opening
Other Tables
The
restricted values for the Area, Type, Vendor and C_Heat fields
can be found in their respective tables. Close the Property table
and open each of these tables and designs in turn to see a window
display of the codes arid full names used.
Any
changes in the Property table in these fields outside of these
values is not allowed until a new value is inserted in these related
tables - eg. 0 (for dOrmer) as house type must be added to the
'Types' table first before '0' is accepted as a type in the Property
table.
Obtaining
a Listing of the Property Table
- Make
sure the Property table is selected
- Click
the File menu and select Print Preview for a screen preview
of the table. If this appears satisfactory then again click
the File menu and select Print.
- Repeat
for the Area, Type, Vendor and C_Heat tables by closing a table,
opening the required table, and choosing the File menu and Print.
Key Fields
In Design mode you will see a key icon next to the ID field of
the Property table as illustrated below.
Every
table needs at least one key field and records are displayed in
order of these key fields. The Property table only requires one
key field since each house has a unique ID number indicating the
chronological order in which the record is added to the table.
To prove that each ID number is unique try changing the ID of
4 Freshville Road to 0003 (already used for 22 Church Lane) and
closing the table.
 Contents:
Databases
Skill
Check: Databases
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