The driver also continues to map these Oracle data types to the normal character data types. See Data Types for these mappings. The only exception to this is that when the Enable N-CHAR Support option is enabled, the N-CHAR types are mapped to the Unicode types SQL_WCHAR, SQL_WVARCHAR, and SQL_WLONGVARCHAR, and the normal character types are mapped to the data types SQL_CHAR, SQL_LONGVARCHAR, and SQL_VARCHAR, regardless of the character set on the Oracle server.
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