Willitts, J.: Database design and construction : an open learning course for students and information managers (1992)
0.01
0.010580737 = product of:
0.04232295 = sum of:
0.033397563 = weight(_text_:retrieval in 761) [ClassicSimilarity], result of:
0.033397563 = score(doc=761,freq=2.0), product of:
0.124912694 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.041294612 = queryNorm
0.26736724 = fieldWeight in 761, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0625 = fieldNorm(doc=761)
0.008925388 = weight(_text_:of in 761) [ClassicSimilarity], result of:
0.008925388 = score(doc=761,freq=2.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.13821793 = fieldWeight in 761, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=761)
0.25 = coord(2/8)
- Abstract
- An informal introduction to the design and construction of databases, using an open learning approach, this textbook offers a complete course both in programmable database systems and in information retrieval systems