2010605 - Change column to NULL/not NULL should generate ALTER statement – SAP PD 16.5 | SAP Knowledge Base Article

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2010605 - Change column to NULL/not NULL should generate ALTER statement – SAP PD 16.5

Symptom

  • Modifying an existing database schema to reflect new changes in your Physical Data Model (PDM).
  • A table column is made mandatory to reject null values when the column contains no null values.
  • A table column is made non-mandatory to accept null values.
  • PostgreSQL DBMS uses the ALTER TABLE statement to allow null values or to reject null values for a column:

ALTER TABLE table
ALTER [ COLUMN ] column { SET | DROP } NOT NULL

  • PowerDesigner always drops then recreates the table.

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Environment

  • SAP PowerDesigner (PD) 16.5
  • PostgreSQL 9 DBMS

Product

SAP PowerDesigner 16.5 ; Sybase PowerAMC 16.5

Keywords

CR762916, 762916 , KBA , BC-SYB-PD , PowerDesigner , Product Enhancement

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