MX Release 3.2 (H06.25+, J06.14+)

ODBC/MX Client Overview

HP NonStop ODBC/MX Driver for Windows—691126-003

1-3

Connection Mapping

3. The ODBC client application sends a connection request to the MXCS SQL server

that was assigned by the association server. If the user information is not valid, the

connection is rejected.

4. When the ODBC client application disconnects, the MXCS SQL server notifies the

association server that it is available for connections from other ODBC clients and

returns to the server data source pool.

An ODBC client application can connect to the default data source without needing to

create an MXCS SQL server data source.

Connection Mapping

MXCS maps the client data source name in an incoming connection request to the

server data source name (names are case sensitive). If the name matches but the

server data source is not started, the connection request is rejected. If the server data

Figure 1-1. Connection Data Flow

Tdm_Default_DataSourceOther Data Source: DS1

1. Request connection to DS1

2. Connection to DS1 granted

3. Client connects to server

4. Server accepts connection

ODBC Client

Application

MXCS

Association

Server

MXCS

SQL Server

MXCS

SQL Server

ODBC API

ODBC Driver Manager

ODBC/MX Driver

VST002.vsd