CF Data Source Name

The data source name (DSN) that ColdFusion uses to connect to the data source.

Database File

The file that contains the database.

Description

(Optional) A description for this connection.

ColdFusion Username

The user name that ColdFusion 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).

ColdFusion Password

The password that ColdFusion 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).

Page Timeout

The time (in tenths of a second) before a request for a ColdFusion page times out.

Max Buffer Size

The size of the internal buffer, in kilobytes, used by Microsoft Access to transfer data to and from the disk. Can be any integer value divisible by 256.

Connection String

A field that passes database-specific parameters, such as login credentials, to the data source.

Limit Connections

Specifies whether ColdFusion 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 the Limit Connections option.

Maintain Connections

ColdFusion establishes a connection to a data source for every operation that requires one. Enable this option to improve performance by caching the data source connection.

Timeout (min)

The number of minutes that ColdFusion MX maintains an unused connection before destroying it.

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.

Login Timeout (sec)

The number of seconds before ColdFusion times out the data source 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 retrieves the number of characters 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 retrieves the number of characters specified in the BLOB Buffer setting.

LongText Buffer

The default buffer size, used if the CLOB option is not selected. The default value is 64000 bytes.

BLOB Buffer

The default buffer size, used if the BLOB option is not selected. The default value is 64000 bytes.

Allowed SQL

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

Validation query

Called when a connection from the pool is resued. This can slow query response time because an additional query is generated. You should specify this just before restarting the database to verify all connections, but remove the validation query after restarting the database to avoid any performance loss.