Macromedia colfusion mx 7 Manual
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Chapter 3: Data Source Management
Connecting to Microsoft Access with Unicode
Use the settings in the following table to connect ColdFusion MX to Microsoft Access with
Unicode data sources (this is a Type 2 driver):
Unicode data sources (this is a Type 2 driver):
BLOB Buffer
The default buffer size, used if the BLOB option is not selected. The default
value is
value is
64000
bytes.
Allowed SQL
The SQL operations that can interact with the current data source.
Setting
Description
CF Data Source
Name
Name
The data source name (DSN) used by ColdFusion MX to connect to the data
source.
source.
Database File
The file that contains the database.
Description
(Optional) A description for this connection.
ColdFusion
Username
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
data source if a ColdFusion application does not supply a user name (for
example, in a
cfquery
tag).
ColdFusion
Password
Password
The password 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
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.
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.
data to and from the disk. Can be any integer value divisible by 256.
Connection
String
String
A field that passes database-specific parameters, such as login credentials, to
the data source.
the data source.
Limit
Connections
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.
the data source. If you enable this option, use the Restrict Connections To field to
specify the maximum.
Restrict
Connections To
Connections To
Specifies the maximum number of database connections for the data source. To
use this restriction, you must enable the Limit Connections option.
use this restriction, you must enable the Limit Connections option.
Maintain
Connections
Connections
ColdFusion MX 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.
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.
before destroying it.
Interval (min)
The time (in minutes) that the server waits between cycles to check for expired
data source connections to close.
data source connections to close.
Disable
Connections
Connections
If selected, suspends all client connections.
Login Timeout
(sec)
(sec)
The number of seconds before ColdFusion MX times out the data source
connection login attempt.
connection login attempt.
Setting
Description