MX 2.x)

HP NonStop SQL/MX Connectivity Service Manual—524944-008

Glossary-1

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 usesa connectivity API to access a HP NonStop

SQL database.

HP NonStop SQL/MX. The relational database system (RDMS) that is available on HP

NonStop Kernel operating systems.

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.

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.

resource governing policy. See resource management policy.

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.