IBM DB2 Manual page 568

Sysplex query parallelism
Parallel execution of a single query that is
accomplished by using multiple tasks on
more than one DB2 subsystem. See also
query CP parallelism.
system administrator
The person at a computer installation
who designs, controls, and manages the
use of the computer system.
system agent
A work request that DB2 creates such as
prefetch processing, deferred writes, and
service tasks. See also allied agent.
| system authorization ID
The primary DB2 authorization ID that is
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| used to establish a trusted connection. A
system authorization ID is derived from
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the system user ID that is provided by an
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| external entity, such as a middleware
server.
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system conversation
The conversation that two DB2
subsystems must establish to process
system messages before any distributed
processing can begin.
System Modification Program/Extended (SMP/E)
A z/OS tool for making software changes
in programming systems (such as DB2)
and for controlling those changes.
Systems Network Architecture (SNA)
The description of the logical structure,
formats, protocols, and operational
sequences for transmitting information
through and controlling the configuration
and operation of networks.
table A named data object consisting of a
specific number of columns and some
number of unordered rows. See also base
table or temporary table. Contrast with
auxiliary table, clone table, materialized
query table, result table, and transition
table.
table-controlled partitioning
A type of partitioning in which partition
boundaries for a partitioned table are
controlled by values that are defined in
the CREATE TABLE statement.
table function
A function that receives a set of
arguments and returns a table to the SQL
statement that references the function. A
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Application Programming Guide and Reference for Java
table function can be referenced only in
the FROM clause of a subselect.
table locator
A mechanism that allows access to trigger
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tables in SQL or from within user-defined
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| functions. A table locator is a fullword
integer value that represents a transition
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table.
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table space
A page set that is used to store the
records in one or more tables. See also
partitioned table space, segmented table
space, and universal table space.
table space set
A set of table spaces and partitions that
should be recovered together for one of
the following reasons:
v Each of them contains a table that is a
parent or descendent of a table in one
of the others.
v The set contains a base table and
associated auxiliary tables.
A table space set can contain both types
of relationships.
task control block (TCB)
A z/OS control block that is used to
communicate information about tasks
within an address space that is connected
to a subsystem. See also address space
connection.
TB Terabyte. A value of 1 099 511 627 776
bytes.
TCB See task control block.
TCP/IP
A network communication protocol that
computer systems use to exchange
information across telecommunication
links.
TCP/IP port
A 2-byte value that identifies an end user
or a TCP/IP network application within a
TCP/IP host.
template
A DB2 utilities output data set descriptor
that is used for dynamic allocation. A
template is defined by the TEMPLATE
utility control statement.
temporary table
A table that holds temporary data.
Temporary tables are useful for holding
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