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Specifying the unique key columns – PB Docs 90 – PowerBuilder Library

Specifying the unique key columns – PB Docs 90

  2. Powerbuilder Documentation
  3. Powerbuilder Documentation Older
  4. Powerbuilder Documentation 9.0
  5. Specifying the unique key columns – PB Docs 90

Specifying the unique key columns

The Unique Key Columns box in the Specify Update Properties
dialog box specifies which columns PowerBuilder uses to identify a
row being updated. PowerBuilder uses the column or columns you specify
here as the key columns when generating the WHERE clause
to update the database (as described below):

aacu03.gif

The key columns you select here must uniquely identify a row
in the table. They can be the table’s primary key, though
they don’t have to be.

note.gif Using the primary key Clicking the Primary Key button cancels any changes in the
Unique Key Columns box and highlights the primary key for the updatable
table.

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Powerbuilder Documentation 9.0
PB Docs 90 Powerbuilder Documentation Powerbuilder Documentation 9.0 Powerbuilder Documentation Older Powerbuilder User Guide
August 3, 2023
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