00903nam0-22003251i-450-99000049366040332120081010132813.00-201-14471-9000049366FED01000049366(Aleph)000049366FED0100004936620020821d1981----km-y0itay50------baenga-------001yy<<An >>introduction to database systemsC. J. Date3rd ed.Reading, MassachusettsAddison-Wesley©1981574 p.ill.24 cm<<The >>systems programming seriesWorld student seriesGestione di basi dati005.74Date,Christopher JohnITUNINARICAUNIMARCBK99000049366040332110 P.T. 821714 CCEDINELDINELUNINA