Glossary
Glossary–2
058057 Tandem Computers Incorporated
Link.
Specifies a relationship between records in a relational data base to be used in an
ENFORM query.
Literal.
One or more numeric or alphanumeric characters. See String Literal and
Numeric Literal.
Logical Expression.
An expression that returns a true or false value.
Normalized.
Data that has been described in such a manner that only one value exists
for every field position in a record.
Numeric Literal.
Composed of the digits 0 thru 9. Numeric literals cannot be larger than
32765 and must be enclosed in parentheses unless they appear in a logical expression
or a TAB, SPACE, SKIP, or FORM clause.
Option Variable.
An ENFORM supplied variable that defines certain operational values.
OUT File.
The physical device specified in the OUT option of the ENFORM command.
Physical File Name.
GUARDIAN file name in the form \system.volume.subvol.file-
name.
Predefined Aggregate.
One of the ENFORM aggregates: AVG, COUNT, MAX, MIN, or
SUM.
Primary Key.
The field or group of fields that uniquely identifies a record.
Program.
A sequence of related ENFORM commands and statements.
Qualification Aggregate.
An aggregate that appears in a request-qualification. See also
Aggregate.
Qualified Field Name.
A name which uniquely identifies a field as a component of a
record description.
Query.
A complete ENFORM LIST or FIND statement specifying which fields and
records to retrieve.
Query Processor (QP).
The ENFORM process which opens the files and retrieves the
records from a relational data base for a report or a new file.
Record.
A related set of field values.
Record Description.
The dictionary description of a record, including the record name,
record type, field names and data types, and key definitions.
Record Name.
Name given a record description in a DDL RECORD statement.
Record Type.
A record’s structure including field names and data types.
Relational Date Base.
A data base in which records are related through fields with
common formats and comparable values.
Report.
The printed output of an ENFORM query using an ENFORM LIST statement.
Request-qualification.
The condition or conditions that a data base element must satisfy
to contribute to the target-record; begins with a WHERE clause followed by a logical
expression.
Summary of Contents for ENFORM 058057
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