CONNECTION STRING FOR IBM INFORMIX ODBC DRIVER

If your application is single threaded, you might have better performance with this property. You can switch a server-only connection to a database connection by using the ChangeDatabase method. When set to true or y for yes, any string within double quotes ” is treated as an identifier, and any string within single quotes ‘ is treated as a string literal. Send feedback Examples exchange Troubleshooting. In this case, none of the properties are updated. The size in bytes of the buffers used to send data to or from the server.

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The name or IP address of the machine on which the Informix server is running. When set to true, the IfxConnection object is drawn from the appropriate pool, or if necessary, it is connectioj and added to the appropriate pool.

When set to false, security-sensitive information, such as the password, is not returned as part of the connection if the connection is open or has ever been in an open state. Reduces the number of round trips to the server for result-set queries. The value of the ConnectionString property is a connection string that includes the source database name and the parameters you need to establish the connection. Recommended only for forward-only retrieval of data.

If the connection has not been opened, the returned connection string does contain security information, regardless of the setting of Connecyion Security Info. The password associated with the User ID. The Server attribute is mandatory in all situations. NET Provider does not automatically recognize when these commands are issued. If an attribute name occurs more than once in the connection string, the value associated with the last occurrence is used.

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The minimum required connection string attributes that must be set for non-DSN connections are Server, Protocol, Service, and Host name.

Other errors can be found only when an attempt is made to open the connection.

ConnectionString property

However, you must be certain that your queries are correct, otherwise an error will result. When the connection string is set, all of these properties are updated, except when an error is detected.

You can switch a server-only connection to a database connection by using the ChangeDatabase method. The default value of the ConnectionString property is an empty string. The communication protocol used between the CreateConnection and the database server. You can avoid SQL parsing overhead by informjx this value to ‘true’.

Informix Connection String Samples –

Valid values are No, 0, Yes, or 1. Using these statements without proper management can lead to unexpected results. The maximum number of connections allowed in the pool.

If another user has already opened the database, exclusive access is denied, an error is returned, and the database is not opened. Resetting the connection string resets all connection string values, including the password.

The connection string is parsed immediately after being set. Resetting the ConnectionString on a closed connection resets all connection string values and related properties, including the password. The minimum number of connections allowed in the pool. In this case, none of the properties are updated. The size in bytes of the buffers used to send data to or from informxi server.

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ConnectionString property

IfxConnection properties return those settings contained in the ConnectionString as well as default values or values gathered elsewhere. When set to true or y for yes, any string within double quotes ” is treated as an identifier, and any string within single quotes ‘ is coonnection as a string literal.

Maximum value is 2GB. Required, unless the client machine is trusted by the host machine. Some ztring the connection string values have corresponding read-only properties.

If you set the Persist Security Info attribute to false the default imformix, if the connection has ever been opened, the returned connection string will not contain any security information. The service name or port number through which the server is listening for connection requests.

CP Windows Connection Lifetime When a connection is returned to the pool, the creation time of the connection is compared with the current time, and the connection is destroyed if that time span in seconds exceeds the value specified by connection lifetime.