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Language peer sets for DDL: United States↑ United States/1972↑ Designed 1972 ↑ 1970s languages ↑ Third generation↑ High Cold War↑ Business Data Processing ↑ Business Data Processing/1972↑ Business Data Processing/us ↑ DDL(ID:5342/ddl006)Data Definition Languagealternate simple viewCountry: United States Designed 1972 Sammet category: Business Data Processing for Data Definition Language Smith, PhD UoP Moore School 1972 unsure of relation to contemporary CODASYL DDL References: Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE  ACM portal CiteSeer CSB ncstrl jstor Bookfinder |