000 00377cam a22001457a 4500
008 180718b1990 xxu||||| |||| 00| 0 eng d
082 _aI5372 G921
100 _aGruber, Martin
245 _aUnderstanding SQL
_cby Martin Gruber
260 _aNew Delhi
_bBPB
_c1990
300 _a433p.
650 _aComputer programmes
650 _aComputers
650 _aComputer programming
999 _c360680
_d360680