SQLite doesn't work in a way that would need that table. For instance, it doesn't use numeric codes, and its internal storage doesn't use classes you might see elsewhere (e.g. C++). One table which resembles the table you asked for appears here: <https://www.sqlite.org/datatype3.html#affinity_name_examples> but actually I'd recommend you read the whole page since it explains why you won't see the table you asked about. For technical details about how values of all types are stored in the database, see this page: <https://sqlite.org/fileformat.html> If I misunderstood your question, or can help, please post a reply to this thread.