Identifier-4 must be an unsigned numeric integer, and must not be subject to an OCCURS clause. Integer-3 must be unsigned. If identifier-4 or integer-3 has a sign, the compiler uses the absolute value, and issues a warning message. Identifier-4 cannot be a floating-point data item. The...
The subordinate items do not include a REDEFINES, RENAMES, OCCURS, USAGE IS INDEX, USAGE IS POINTER, or USAGE IS PROCEDURE-POINTER clause in their descriptions; if such a subordinate item is a group, the items subordinate to it are also ignored. However, identifier-1 and identifier-2 them...
If the file has alternate keys, identifier-2 is associated with the null key map of the current key of reference. This phrase can only be specified for a file with the ALWNULL attribute and a device type of DATABASE specified in the ASSIGN clause. If one of the key fields is null-cap...