000 00568ngm a22001697a 4500
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007 vf mbahok
008 141203b xxu||||| |||| 00| vleng d
041 _aeng
100 _aChakraborty, P.P
_9351
245 _aIntroduction to database management:
_bRelational calculus/
_cby P.P. Chakraborty
_h[videorecording]
260 _aKharagpur :
_bCentre for Educational Technology, Indian Institute of Technology,
300 _a1 videocassette
500 _aLecture No.9.Relational calculus
650 _aRelational calculus
_9365
942 _cVC
999 _c15539
_d15539