ODBC Server Reference Manual

Glossary
HP NonStop ODBC Server Reference Manual—429151-002
Glossary-4
control-of-flow language [standard SQL]
control-of-flow language [standard SQL]. The statements that enable the user to control
the flow of execution of statements. Control-of-flow statements include statements
such as IF, ELSE, WHILE, and GOTO.
Most SQL Server control-of-flow statements are not supported by the NonStop ODBC
Server.
core services [HP]. The portion of the operating system that consists of the low-level
functions, including interprocess communication, I/O interface procedures, and
memory, time, and process management.
correlation name [NonStop SQL/MP]. A simple name associated with a table (or view) in a
single SQL statement and used to distinguish the table from another table with the
same simple name, to qualify an ambiguous column reference, to distinguish separate
uses of the same table, or to make the query shorter.
See also alias [SQL Server].
current database [NonStop ODBC Server]. The database most recently specified by the
USE statement. When a user logs on to the NonStop ODBC Server, the master
database is the current database.
current owner [NonStop ODBC Server]. The Guardian group name and username that the
user specified when logging on to the NonStop ODBC Server.
customized catalog [NonStop ODBC Server]. A NonStop SQL/MP catalog available
through the NonStop ODBC Server. A customized catalog contains NonStop ODBC
Server mapping tables. All catalogs created using the NonStop ODBC Server are
customized.
See also decustomized catalog [NonStop ODBC Server] and NonStop ODBC Server
mapping tables [NonStop ODBC Server].
Data Control Language (DCL) [standard SQL]. The statements used to control process
resources such as locks and cursors. DCL includes statements such as LOCK TABLE,
UNLOCK TABLE, and FREE RESOURCES.
See also Data Definition Language (DDL) [standard SQL] and Data Manipulation
Language (DML) [standard SQL].
Data Definition Language (DDL) [standard SQL]. The statements used to define, delete, or
modify the catalog definition of an object. DDL includes statements such as CREATE
DATABASE, CREATE TABLE, and DROP VIEW.
See also Data Control Language (DCL) [standard SQL] and Data Manipulation
Language (DML) [standard SQL].
Data Manipulation Language (DML) [standard SQL]. The statements used to select,
update, insert, or delete rows in tables. DML includes statements such as DELETE,
INSERT, SELECT, and UPDATE.