mssql-python now supports both qmark (?) and pyformat (%(name)s) parameter styles for SQL queries in Python. The driver automatically detects which style to use based on whether you pass a tuple/list (qmark) or a dict (pyformat). Named parameters offer benefits like self-documenting queries, parameter reuse across multiple queries, and easier dynamic query building. The conversion from pyformat to ODBC's positional placeholders happens transparently with no overhead. Existing qmark code requires zero changes, and both styles are SQL injection safe via ODBC parameter binding.
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