HP Integrity NonStop J-Series User Manual

Page 170

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USING AN ENABLE APPLICATION
READ GENERIC

READ EXACT Operation for an Outermost Box

To request a READ EXACT operation, do the following:

1. Enter the entire key value in the desired key field.

2. Press F7.

READ EXACT Operation for a Nested Box

If a key field appears within a nested box, do the following to
request a READ EXACT operation:

1. Read or insert a record in the containing box.

2. Enter the entire field value in the desired key field.

3. Press F7.

If a key field does not appear within a box and you request a
READ EXACT operation, the application performs the READ
EXACT; however, the results will be indistinguishable from a READ
FIRST operation.

READ GENERIC (F8)

To retrieve the first record (or records) with a partial key
value that matches the one you have entered, request a READ
GENERIC operation.

You cannot request a READ GENERIC operation for any key field
that contains binary values. The courtesy key field (record
number) always contains binary values. Since, with the exception
of the courtesy key field, you cannot visually distinguish fields
containing binary values from fields containing other values, ask
your data administrator to provide this information.

To perform a READ GENERIC, you enter a partial key value and
press F8. When you press F8, the application displays the
following message at the top of the screen and waits for a
response:

Enter compare-length (characters), F8

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