ODBC feature support
The ODBC driver for Vertica supports the most of the features defined in the Microsoft ODBC 3.5 specifications. The following features are not supported:
- 
Updatable result sets 
- 
Backwards scrolling cursors 
- 
Cursor attributes 
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More than one open statement per connection. Simultaneously executing statements must each belong to a different connection. For example, you cannot execute a new statement while another statement has a result set open. To execute another statement with the same connection/session, wait for the current statement to finish executing and close its result set, then execute the new statement. 
- 
Keysets 
- 
Bookmarks 
The Vertica ODBC driver accurately reports its capabilities. If you need to determine whether it complies with a specific feature, you should query the driver's capabilities directly using the SQLGetInfo() function.