Altering the Data Set Logical Option

Allowed Changes to the Data Set Logical Option details the changes that can be made to the data set logical option. An asterisk (*) refers to the explanatory note following the table.

Table 36. Allowed Changes to the Data Set Logical Option

Option

Model

Update

File Format Conversion (No Item Changes)

Record Format Conversion (Item Changes)

REQUIRED ALL

No

No

Yes*

Yes*

Explanatory Note

When an item is made required, the user must ensure that the item has a valid value in every data set record. The Reorganization program terminates with an error if it encounters a required item containing a null value.

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