This standard specifies: - the concept of SCQL database (SCQL = SQL-based structured card query language, see ISO 9075); - related inter-industry enhancement commands.
GB/T 16649.7-2000 history
2000GB/T 16649.7-2000 Identification cards--Integrated circuit(s) cards with contacts--Part 7: Interindustry commands for structured Card query language(SCQL)