000			01428cam a2200169 a 4500
999			_c7255 _d7255
020			_a0256134383 (recycled paper)
020			_a0256158819 (international ed. : recycled paper)
050	0	0	_aQA76.9.D3 _b.H474
100	1		_aHelman, Paul.
245	1	4	_aThe science of database management / _cPaul Helman.
260			_aBurr Ridge, Ill. : _bIrwin, _cc1994.
300			_axxi, 598 p. : _bill. ; _c24 cm.
500			_aIncludes index
505			_a[1] Definition of the relational data model abstract data type. Introduction -- Search table and relational data model fundamentals -- Nonprocedural query languages. [2] Design of the relational data model abstract data type. Data models and data modeling -- Semantic design and normalization for the relational data model -- Dependencies and normalization: a further study. [3] Implementations of the relational data model abstract data type -- the structures. The External environment -- File structures for an external search table -- Designing a relational data model's physical schema. [4] Implementations of the relational data model abstract data type -- the algorithms. Transaction management and database security -- Query optimization, part I: implementing the relational operators -- Query optimization, part II: the search problem -- Query optimization, part III: query processing in the leading-edge data models.
650		0	_aDatabase management.
942			_cBK