HP DDL D40 Reference Manual page 450

Sample Schemas
DEFINITION IS orderinfo.
KEY IS orders.ordernum DUPLICATES NOT ALLOWED.
KEY "sn" IS orders.salesperson.
KEY "cn" IS orders.custnum.
END
* Contains each order line for each order
RECORD odetail.
FILE IS "$data.sales.odetail"KEY-SEQUENCED
02 primkey.
03 ordernum
03 partnum
02 quantity
KEY IS primkey DUPLICATES NOT ALLOWED.
END
* Contains information on each part
RECORD parts.
FILE IS "$data.sales.parts"KEY-SEQUENCED
DEFINITION IS partsinfo.
KEY IS parts.partnum DUPLICATES NOT ALLOWED.
KEY "pn" IS parts.partname.
END
* Contains a record of each part ordered from each supplier
RECORD fromsup.
FILE IS "$data.sales.fromsup"KEY-SEQUENCED
02 primkey.
03 partnum
03 suppnum
02 partcost
display.
KEY IS primkey DUPLICATES NOT ALLOWED.
END
* Contains information about each supplier of parts
RECORD supplier.
FILE IS "$data.sales.supplier" KEY-SEQUENCED
DEFINITION IS suppinfo.
KEY IS supplier.suppnum DUPLICATES NOT ALLOWED.
KEY "su" IS supplier.suppname.
END
* Contains information about company's regional offices
RECORD region.
FILE IS "$data.sales.region" KEY-SEQUENCED
Data Definition Language (DDL) Reference Manual—426798-002
MAXEXTENTS 100.
AUDIT
MAXEXTENTS 100.
AUDIT
MAXEXTENTS 100.
AUDIT
MAXEXTENTS 100.
TYPE *.
TYPE *.
PIC 9(6)V9(2)
DISPLAY part-cost-
AUDIT
MAXEXTENTS 100.
B- 6
Database Schema Listing
TYPE *.
TYPE *.
PIC 9(3).