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Unformatted text preview: Description: 4. Physical Elements Data Type: Character Support: Letters (A-Z) Keyboard (. , / $ # %) Numbers (0-9) Special Characters Length: Decimal Places: Input Mask: Display Format: 5. Logical Elements Key Types: Non Primary Foreign Alternate Edit Rule: Enter Now, Edits Allowed Enter Now, Edits Not Allowed Enter Later, Edits Allowed Enter Later, Edits Not Allowed Not Determined At This Time Key Structure: Simple Composite Uniqueness: Non-Unique Unique Null Support: Nulls Allowed No Nulls Values Entered By: User System Required Value: No Yes Default Value: Range of Values: Comparisons Allowed: Same Field All = > > = < < = Other Fields All = > > = < < = Value Expression All = > > = < < = Operations Allowed: Same Field All + - X Concatenation Other Fields All + - X Concatenation Value Expression All + - X Concatenation...
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This note was uploaded on 07/10/2011 for the course ITOC 231 taught by Professor Shah during the Summer '11 term at AIU Online.
- Summer '11