Pathway Products Glossary

Glossary
Compaq NonStop™ Pathway Products Glossary—426762-001
Glossary-9
distributed transaction processing (DTP)
distributed transaction processing (DTP). The coordination of transactions among
application servers residing within a Compaq Expand network and possibly accessing
different database management systems (SQL/MP and Enscribe). DTP allows the
coordination of multiple, autonomous actions as a single logical unit of work.
double-byte character. A character represented in two bytes. See also double-byte character
set (DBCS).
double-byte character set (DBCS). A character set, such as Compaq Kanji for NonStop™
Himalaya systems, that uses two bytes of data to represent a single character.
DSM. See Distributed Systems Management (DSM)
.
dumb terminal. See fixed-function terminal
.
dynamic server. (1) In a PATHMON environment, a server process that the PATHMON
process creates after a TCP or LINKMON process has waited for a specified time period
for a static server to become available. A dynamic server process exists only as long as it
is needed. See also static server
. (2) In a Pathway/XM environment, a server process
that is created when it is needed rather than at startup time, and which exists only as
long as it is needed. All server processes in a distributed server class are dynamic
servers. Direct or replicated server classes can include a specified number of static
servers to be created when the server class is started, and a dynamic server can be
created after a TCP or LINKMON process has waited for a specified time period for a
static server to become available. See also static server
.
E
EDIT file. A source text file that can be augmented and modified by the user through a
Compaq text editor program on NonStop™ Himalaya systems, such as TEDIT
(PS Text Edit).
EMS. See Event Management Service (EMS)
.
EMS log file. See event log file
.
Enable product. A tool provided by Compaq on NonStop™ Himalaya systems that allows
users to develop simple data management applications without using a conventional
programming language. The Enable product can generate SCREEN COBOL programs
for use with Enscribe databases.
Enscribe database record manager. Compaq database management software on NonStop™
Himalaya systems that provides a record-at-a-time interface between servers and a
distributed database. See also SQL/MP
.
event log file. A file maintained by the Event Management Service (EMS) for logging of
event messages.