Configuration: Adding, Modifying and Deleting
Indexed Fields
NOTE: If the configuration
module is entered for an in-use database, structural changes will
not be allowed. In order to release this restriction, all users
must exit the database (including resident, but idling PTI
modules). The configuration user must also exit back to the Master
Control screen and re-enter the Configuration Module for the system
to recognize that the database can be and should be opened in
exclusive access mode.
Adding an Index Field
-
On the Index Field Editor dialog box, click
the [Add New Field] button.
-
Rename the "NEWFIELD" name in the Field Name
text box to your desired field name.
-
Type the default value in the Default Value
text box.
The default value is an expression that will
determine the type and size of each field. The following are
examples of common expressions which may be used as defaults.
Common Field Value Expressions
General character string default is blank:
SPACE({number of chars}) or SPACE(10) = Ten spaces
Literal string: "HELLO"
Literal number: 1000
Current system date: DATE()
Current system time: TIME()
Blank date: {}
The FoxPro Expression Builder is available
to users experienced with this tool. To access it, press the
ellipsis next to the Default Value text box. Consult a
FoxPro manual for more information on using the FoxPro
Expression Builder.
-
Type the Data Entry Prompt that will appear
to the left of the Data Entry dialog box in the Viewing
Module and Scanning Module.
-
Click on the [Validation Field Level Event
Expression] button to open the Expression Builder.
-
Select your desired Fields, functions and Variables
along with other options in the Expression Builder.
-
Continue to add index fields by clicking the
[Add] button and follow the preceding steps.
-
To save the file, click the [OK] button. To
discard any changes, click [Cancel].
Deleting an Index Field
-
Click on the field in the Index Field list
box.
-
Click the [Delete] button.
-
To confirm that you want to delete that field,
click [OK].
-
Click on the field in the Index Field list
box.
-
Make the changes to any of the field’s values.
-
Click [OK].
Related Topics
Image Database
Configuration Introduction
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