What document type codes do we have?
CREATE TABLE Ref_Document_Types (document_type_code VARCHAR)
SELECT document_type_code FROM Ref_Document_Types
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE Ref_Document_Types (document_type_code VARCHAR) Question: What document type codes do we have? [/INST] SELECT document_type_code FROM Ref_Document_Types </s>