2021BS ISO/IEC 19075-7:2021 Information technology. Guidance for the use of database language SQL. Polymorphic table functions
2017BS PD ISO/IEC TR 19075-7:2017 Information technology. Database languages. SQL Technical Reports. Polymorphic table functions in SQL
BS ISO/IEC 19075-7:2021 Information technology. Guidance for the use of database language SQL. Polymorphic table functions was changed to BS PD ISO/IEC TR 19075-7:2017 Information technology. Database languages. SQL Technical Reports. Polymorphic table functions in SQL.