000			01907nam a2200313 i 4500
003			vecauma
005			20251112203034.0
007			ta
008			251105s19821983mau|||||r|||| 00| 0 eng d
020			_a0201144719
040			_aDLC _beng _cDLC _dvecauma _erda
041	0		_aeng
099			_aQA76.9 _bD3 D37 _c1982
100	1		_aDate, C. J., _d1941- _eautor _913702
245	1	3	_aAn introduction to database systems _c/ C.J. Date.
250			_aThird edition.
264		1	_aReading, Massachusetts : _bAddison-Wesley, _c1982-1983.
300		1	_a2 volúmenes.
336			_atexto _btxt _2rdacontenido
337			_ano mediado _bn _2rdamedio
338			_avolumen _bnc _2rdasoporte
490	0		_aAddison-Wesley systems programming series
504			_aIncluye referencias bibliográficas e índice.
505	0		_av.1. _t(Basic concepts ; Storage structures ; Data structures and corresponding operators ; Relational data structure ; The architecture of System R ; System R data structure ; System R data manipulation ; Embedded SQL ; The external level of System R ; The internal level of System R ; Query by example ; Relational algebra ; Relational calculus ; Further normalization ; The architecture of an IMS systems ; IMS data structure ; The external level of IMS ; IMS data manipulation ; The internal level of IMS ; IMS logical databases ; IMS secondary indexing ; IMS Fast Path databases ; The architecture of a DBTG Systems ; DBTG data structure ; The external level DBTG ; DBTG data manipulation ; The unified database language ; A comparison of the relational and network approaches).
505	0		_av.2. _t(Recovery ; Integrity ; Concurrency ; Security ; Data models ; The extended relational model RM/T ; Distributed databases ; Databases machines).
650	1	0	_913618 _aSISTEMAS DE GESTION DE BASES DE DATOS
942		1	_2lcc _n0 _cBK
999			_c12648 _d12648