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MXCS Architecture Overview
SQL/MX Connectivity Service Administrative Command Reference526350-005
1-2
Architecture Overview
Configures a new installation of MXCS or modifies an existing installation
Accesses objects only on the system where MXCI is running
Provides database security so that all users can view objects, but only specified
users can modify them
Displays attributes and states of the objects within the ODBC MXCS configuration
Displays and manages the ODBC MXCS configuration as five separate object
types:
Service (the MXOAS command starts each service)
Server
Data source (DS)
Environment variable (EVAR) for each DS user (for permissions)
User (for permissions)
Supports administrative commands:
INFO
ADD
DELETE
START
STOP
ALTER
VERSION
Reports errors if the ODBC facility of MXCS is not running when needed
Architecture Overview
The MXCS administrative command library (MACL) is the software component inside
MXCI that supports the MXCS administrative commands described in this guide.
MACL is discussed only to show how the MXCS administrative commands are
processed and to assist you in understanding error messages that might appear.
Figure 1-1
on page 1-3 shows how the MACL library fits in the system architecture with
MXCS, MXCI, and the SQL/MX database. MACL links with MXCI and uses many of
the existing generic features of the MXCI command-line interface. MXCI manages
command entry and passes commands to MACL for processing. MXCI also displays
report lines and error messages when a command is processed.
MXCI also supports execution of SQL statements through the SQL engine directly or
through the report writer.
When you start MXCI, some (but not all) administrative commands are available when
ODBC is not running on the system. Some of these commands require that the ODBC
association server be operational. However, you can always configure a DS, EVAR,
and user. MXCI is not required to be running while MXCS runs, so you can run MXCI
for only as long as you need to maintain a session. Before entering any MXCS
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