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# Global Functions

Note: The functions for multiple connections have been deprecated.

Function Name | Description
--- | ---
vtc.columnSize | Returns the number of fields that contain data in a column.
vtc.connect | Creates a connection to the server.
vtc.createColumn | Creates a column.
vtc.disconnect | Disconnects from the server.
vtc.dropIndex | Deletes the index on a column.
vtc.ensureIndex | Creates an index on a column.

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