
Chapter 2 Building an Object-Oriented Model
Time data types
Conceptual data type | What it stores |
Date | Day, month, year |
|
|
Time | Hour, minute, and second |
|
|
Date & Time | Date and time |
|
|
Timestamp | System date and time |
|
|
Other data types
Conceptual data type
Binary
Long Binary
Image
Bitmap
OLE
Other
Undefined
What it stores
Binary strings
Binary strings
Images
Images in bitmap format (BMP)
OLE links
Not yet defined data type
Length?
Maximum
Maximum
Maximum
Maximum
Maximum
—
—
ϖTo select a data type from a list of standard data types:
1Select Model➤ Domains. The List of Domains appears.
2Click the domain to define.
An arrow appears at the beginning of the line.
3Click the Properties tool. or
4Click the Question Mark button next to the Data Type dropdown listbox.
Selecting from the Data Type dropdown listbox
You can also select a data type directly from the Data Type dropdown listbox.