DDS Type of Name or Specification for physical and logical files (Position 17)

Type a value in this position to identify the type of name or, for logical files, the type of specification. If you specify a name type, the name is specified in positions 19 through 28.

The valid entries for physical files are:

Entry: Meaning
R: Record format name
Blank: Field name
K: Key field name

Note:

Specify only one R because a physical file can contain only one record format.

The valid entries for logical files are:

Entry: Meaning
R: Record format name
J: Join specification
Blank: Field name or select/omit AND condition
K: Key field name
S: Select field name
O: Omit field name

For more information on types of names, see DDS Name for physical and logical files (Positions 19 through 28). For more information on join specifications, see JOIN (Join) Keyword--Join Logical Files Only for Physical and Logical Files.

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