Specifies whether the connection has read-only access to the data source.
Valid Values
0 | 1
Behavior
If set to 1 (Enabled), the connection has read-only access. The following commands are the only commands that you can use when a connection if read-only:
Call (if the procedure does not update data)
Explain Plan
Select (except Select Into)
Set Schema
The driver returns an error if any other command is executed.
If set to 0 (Disabled), the connection is opened for read/write access, and you can use all commands supported by the product.