00403nam a2200157   450000100060000000300030000600500170000900800410002603500190006703500180008605000240010410000210012824500460014925000110019526000390020620381UR20220427164850.0061103|||||||||||||||||||||||||||||||| d  a(janium) 20370  a(janium)20369 4aQA76.9b.D3V37 19891 aVasta, Joseph A.10aUnderstanding database management systems  a2a ed.  bWadsworth Publishing Companyc1989