During imports, when set to 1, Null Suppressed fields that contain empty values will be treated a SQL NULL. This setting only applies to FDT and Natural DDM imports. This is an import only setting.
ESQNULL=1
Default = 1.
Environments: Client, Windows
Configuration Manager: CONNX Settings; Current Key = CONNX\Adabas; Key Value/Value Name = ESQNULL