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Glossary

H

handle
A variable that represents an internal structure within a software system.

hash partitioning
A partitioning strategy in which a hash function is applied to the partitioning key value to determine the database partition to which the row is assigned.

hop
In APPN, a portion of a route that has no intermediate nodes. A hop consists of only a single transmission group connecting adjacent nodes.

host computer
(1) In a computer network, a computer providing services such as computation, database access, and network control functions. (2) The primary or controlling computer in a multiple computer installation.

host identifier
A name declared in the host program.

host language
Any programming language in which you can embed SQL statements.

host node
In SNA, a subarea node that contains a system services control point (SSCP); for example, an IBM System/390 computer with MVS and VTAM.

host program
A program written in a host language that contains embedded SQL statements.

host variable
In an application host program, a variable referenced by embedded SQL statements. Host variables are programming variables in the application program and are the primary mechanism for transmitting data between tables in the database and application program work areas.


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