User Guide

52 Chapter 3: Data Source Management

Connecting to other data sources

Use the settings in the following table to connect ColdFusion MX to data sources through JDBC

drivers that do not appear in the drop-down list of drivers:

Interval (min) The time (in minutes) that the server waits between cycles to check for

expired data source connections to close.

Disable Connections If selected, suspends all client connections.

connection login attempt.

CLOB Select to return the entire contents of any CLOB/Text columns in the

database for this data source. If not selected, ColdFusion MX retrieves the

amount specified in the Long Text Buffer setting.

BLOB Select to return the entire contents of any BLOB/Image columns in the

database for this data source. If not selected, ColdFusion MX retrieves the

amount specified in the Blob Buffer setting.

LongText Buffer The default buffer size, used if Enable Long Text Retrieval(CLOB) is not

selected. Default is 64000 bytes.

BLOB Buffer The default buffer size, used if Enable binary large object retrieval (BLOB)

is not selected. Default is 64000 bytes.

Allowed SQL The SQL operations that can interact with the current data source.

Setting Description

CF Data Source Name The data source name (DSN) used by ColdFusion MX to connect to the

data source.

JDBC URL The JDBC Connection URL for this data source.

Driver Class The fully qualified class name of the driver. For example,

com.inet.tds.TdsDriver. The JAR file that contains this class must be in a

directory defined to the ColdFusion classpath.

Driver Name (Optional) The name of the driver.

Username The user name that ColdFusion MX passes to the JDBC driver to connect

to the data source if a ColdFusion application does not supply a user name;

for example, in a

cfquery tag.

Password The password (16-character limit) that ColdFusion MX passes to the

JDBC driver to connect to the data source if a ColdFusion application

does not supply a password; for example, in a

cfquery tag.

Description (Optional) A description for this connection.

Limit Connections Specifies whether ColdFusion MX limits the number of database

connections for the data source. If you enable this option, use the Restrict

Connections to field to specify the maximum.

Restrict Connections to Specifies the maximum number of database connections for the data

source. To use this restriction, you must enable Limit Connections.

Setting Description