SQL/MX Connectivity Service Manual for SQL/MX Release 3.2 (H06.25+, J06.14+)

Glossary
association server. The HP NonStop MXCS component that starts and manages MXCS SQL servers and associates
a client connection request with a specific MXCS SQL server in a data source.
client application. An application that uses a connectivity API to access a HP NonStop SQL database.
configuration
server.
The MXCS component that manages the MXCS configuration data. The association server
communicates with the configuration server to retrieve the MXCS configuration values.
data source. TA logical name that defines the information required to access data. On the client side, it defines
driver name, network address, and specific attributes such as catalog and schema names. On
the server side, it defines startup values, number of servers in a pool, Guardian defines, SQL/MX
control statements, and resource management policies.
driver. The client component that implements function calls allowing a client application to access a
NonStop SQL database through an MXCS service.
Estimated Cost
governing
attribute.
An attribute for an MXCS resource management policy. In the current release, the Estimated Cost
governing attribute checks the elapsed time in seconds for a query to run against a limit value.
governing action. The action taken by MXCS when the limit is exceeded for a resource management policy attribute.
governing
attribute.
A resource management policy entity that is used for comparing an aspect of a SQL/MX query
to a limit value. In the current release, MXCS supports the Estimated Cost governing attribute.
HP NonStop
SQL/MX.
The relational database system (RDMS) that is available on HP NonStop Kernel operating systems.
MXCS SQL server. The MXCS component that provides access to a NonStop SQL database through the NonStop
SQL/MX engine.
resource governing
policy.
See resource management policy.
resource
management
policy limit.
The maximum value for a governing attribute. If the limit is exceeded, MXCS takes the governing
action specified for the governing attribute.
resource
management
policy.
Also called resource governing policy. An attribute-value pair that associates a governing attribute
with a test limit value and a governing action that MXCS takes if the limit value is exceeded.
service. The MXCS components running in an HP NonStop system, including the association server,
configuration server, and MXCS SQL servers.
SQL. See HP NonStop SQL/MX database.
SQL/MX
connectivity
service.
The HP NonStop server component that enables connectivity from client applications to the
NonStop SQl database. The SQL/MX connectivity service consists of an association server, a
configuration server, and an MXCS SQL server.
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