Fujitsu UDS/SQL V2.5 用户手册
Types of access
Schema DDL
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U929-J-Z125-9-76
If LOCATION MODE IS DIRECT-LONG is specified, item-name must be defined as a
DATABASE-KEY-LONG item.
DATABASE-KEY-LONG item.
record-name
specifies the record type containing the database key item referred to
by item-name.
identifier
specifies the name of an item which is automatically generated by UDS/SQL for
storing database key values. This item serves as a key item, but is not part of a record type.
If you specify LOCATION MODE IS DIRECT, UDS/SQL generates the identifier item as a
DATABASE-KEY item.
If you specify LOCATION MODE IS DIRECT-LONG, UDS/SQL generates the identifier item
as a DATABASE-KEY-LONG item.
If you specify LOCATION MODE IS DIRECT, UDS/SQL generates the identifier item as a
DATABASE-KEY item.
If you specify LOCATION MODE IS DIRECT-LONG, UDS/SQL generates the identifier item
as a DATABASE-KEY-LONG item.
When entering a record, the database programmer can store a database key value signi-
fying the position of the record within the record sequence in the item referred to by
item-name
fying the position of the record within the record sequence in the item referred to by
item-name
or identifier (see the section
If the specified database key has already been assigned, another database key that is not
in use is automatically assigned by UDS/SQL.
in use is automatically assigned by UDS/SQL.
If the database programmer does not wish to assign the database key value independently,
0 may be entered instead. This resumes the automatic assignment of database key values
by UDS/SQL.
0 may be entered instead. This resumes the automatic assignment of database key values
by UDS/SQL.