Part 4: The Connect XE Drivers : The Salesforce Driver : Connection Option Descriptions : Read Only

Read Only
Attribute
ReadOnly (RO)
Purpose
Specifies whether the connection has read-only access to the data source.
Valid Values
0 | 1
Behavior
If set to 1, the connection has read-only access. The following commands are the only commands that you can use when a connection if read-only:
The driver returns an error if any other command is executed.
If set to 0, the connection is opened for read/write access, and you can use all commands supported by the product.
Default
0
GUI Tab
Advanced tab

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