relational databases; DNA; biology computing; user interfaces; tree data structures; SQL; query processing; genetics; DNA database management system; YAMATO; ASUKA; relational schema; searching; relational database management system; DDBJ; window interfaces; DDBJ-schema; single entry; Human Genome Project; flat file format; restructuring tool; tree search tool; taxonomy database; structured SQL-programming method; control flow language; SQL expression; SYBASE; DNA Data Bank of Japan
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