CONNECTION STRING FOR IBM INFORMIX ODBC DRIVER

Prohibited if a User ID is not given. IfxConnection properties return those settings contained in the ConnectionString as well as default values or values gathered elsewhere. The language locale used on the client side of the client-server connection. When the connection string is set, all of these properties are updated, except when an error is detected. The name of the database within the server instance. If the connection has not been opened, the returned connection string does contain security information, regardless of the setting of Persist Security Info. Required if the client machine or user account is not trusted by the host.

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When the connection string is set, all of these properties are updated, except when an error is detected. The following table shows the connection string attributes.

Enables or disables automatic enlistment in a distributed transaction. 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.

If your application is single informmix, you might have better performance with this property.

Informix Connection String Samples –

The connection string that is returned is the same as the one set by the user. The minimum required connection string attributes that must be set for non-DSN connections are Server, Protocol, Service, and Host name. 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.

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The default value of the ConnectionString property is an empty string. You can only set the ConnectionString property when the connection is closed.

ConnectionString property

The password associated with the User ID. IfxConnection properties return those settings contained in the ConnectionString as well as default values or values gathered elsewhere. 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. If any of those are missing, the server ignores the remaining attributes and next checks the environmental variables, followed by the values in specified in setnet If an attribute name occurs more than once in the connection string, the value associated with the last occurrence is used. When set to true, the IfxConnection object is drawn from the appropriate pool, or if necessary, it is created and added to the appropriate pool.

Other errors can be found only when an attempt is made to open the connection. The communication protocol used between the CreateConnection and the database server. The Server attribute is mandatory in all situations.

You can avoid SQL parsing overhead by setting this value to ‘true’. If the connection has not been opened, the returned connection string does contain security information, regardless of the setting of Persist Security Info.

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The maximum number of connections allowed in the pool. The connection string is parsed immediately after being set.

In this case, none of the properties are updated. Some of the connection string values have corresponding read-only properties. The language locale of the database.

ConnectionString property

However, you must be certain that your queries are correct, otherwise an error will result. If you set the Persist Security Info attribute to false the defaultif the connection has ever been opened, the returned connection string will not contain any security information. If another user has already opened the database, exclusive access is denied, an error is returned, and the database is not opened.

Using these statements without proper management can lead to unexpected results.

Prohibited if a User ID is not given. 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. 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.