Data Definition Language (DDL) Reference Manual

Data Definition Language (DDL) Reference Manual—529431-004
Glossary-1
Glossary
alphabetic character. Any uppercase or lowercase letter or a space.
alphanumeric character. Any ASCII character.
alternate record key. A field other than the primary record key whose value identifies a
record in a structured file.
command interpreter. A process that manages interactive communication between you
and the operating system. In this manual, command interpreter refers to a TACL
process.
compilation. The process of translating a source file to an object file.
complex instruction set computing (CISC). A processor architecture based on a large
instruction set, characterized by numerous addressing modes, multicycle machine
instructions, and many special-purpose instructions. Compare to reduced instruction
set computing (RISC) and explicitly parallel instruction set computing (EPIC).
constant. A dictionary object that has a name, a data type, and a value. You define a
constant in a CONSTANT statement, and you can refer to a constant value by name in
other DDL statements.
Data Definition Language (DDL). An HP product for defining data objects in Enscribe files
and translating object definitions to source code for programming languages and other
products on HP NonStop systems.
DDL. See Data Definition Language (DDL).
dictionary. A DDL database that contains information about dictionary objects in a set of 14
files on the same subvolume. The name of the dictionary is the subvolume name. A
subvolume can contain only one dictionary.
dictionary object. A data item defined in a schema
and stored in a dictionary. Dictionary
objects include:
•
constants
•
definitions
•
records
•
SPI token codes
•
SPI token maps
•
SPI token types
DEF. See definition.