A columnar format {third generation programming language} similar in layout to {assembler} and used for transaction processing, solely on the HoneywellBullTPS6database/transaction management system on their Level 6 DPS6minicomputers running under the GCOS6 {operating system}. In the UK it was mainly used by local authorities and the Ministry of Defense. Being proprietary technology, its popularity waned with the introduction of open systems standards, relational databases and {fourth generation languages} but it is believed that some systems made it through Y2K. [Dates?] (2003-05-15)
