module documentation

The pyodbc driver currently supports usage of these Sybase types with Unicode or multibyte strings:

CHAR
NCHAR
NVARCHAR
TEXT
VARCHAR

Currently not supported are:

UNICHAR
UNITEXT
UNIVARCHAR
Class _​Syb​Numeric_pyodbc Turns Decimals with adjusted() < -6 into floats.
Class ​Sybase​Dialect_pyodbc Undocumented
Class ​Sybase​Execution​Context_pyodbc Undocumented