ODBC Server Reference Manual

Glossary
HP NonStop ODBC Server Reference Manual—429151-002
Glossary-6
dependent object [standard SQL]
dependent object [standard SQL]. An object whose definition depends on a base or
underlying object; for example, an index or protection view is dependent on a table.
device. See database device [SQL Server].
DLL. See dynamic link library (DLL) [ODBC].
DML. See Data Manipulation Language (DML) [standard SQL].
DOS workstation [industry-standard term]. An IBM personal computer or a compatible
computer running DOS.
dynamic link library (DLL) [ODBC]. An executable module that lets Windows applications
share code and resources. It contains procedures that applications can call to perform
useful tasks.
escape clause [ODBC]. A specialized syntax convention that ODBC uses to permit
inclusion of an extension to SQL in a CORE SQL statement.
exclusive lock [both NonStop SQL/MP and SQL Server]. In NonStop SQL/MP, the lock
exclusion mode in which only the holder of the lock can access the locked items.
In SQL Server, a lock that prevents any other transaction from acquiring a lock until the
original lock is released at the end of a transaction. SQL Server always applies an
exclusive lock for update operations (INSERT, UPDATE, and DELETE).
See also shared lock [both NonStop SQL/MP and SQL Server].
file [NonStop SQL/MP]. The physical storage for a table or index. The creation of a table or
index implicitly creates a file with the same name as the table or index.
file system [NonStop SQL/MP]. The portion of the operating system software that provides
a standard interface between application processes and input/output devices or other
processes.
global variable [SQL Server]. A system-defined variable that SQL Server updates on an
ongoing basis. For example, @@ERROR contains the last error number generated by
the system.
See also local variable [SQL Server] and variable [SQL Server].
Guardian [HP]. The original application program interface (API) to the HP NonStop Kernel
operating system.
Guardian environment [HP]. The Guardian API and the HP NonStop tools and utilities.
Guardian name [HP]. A name formed according to the Guardian rules for naming disk files
that can be used to identify a table, view, index, program, file, or partition. Process and
device names are also Guardian names.
LAN. See local area network [industry-standard term].