Document (#7434)

Author

Staud, J.L.

Title

Relationale Datenbanken aufbauen : die ersten drei Normalformen

Source

Datenbanken in Theorie und Praxis. 1994, H.2, S.8-16

Year

1994

Abstract

Vorstellung eines Regelwerkes zur Optimierung eines relationalen Entwurfs

Footnote

Fortsetzung von H.1 in 1994, weitere Fortsetzung in H.3

Similar documents (author)

1. Staud, J.L.: ¬Die Welt der Online-Datenbanken : Modellierung, Datenstruktur und Retrievalprozeß (1986) 5.25

   5.2535195 = sum of:
     5.2535195 = weight(author_txt:staud in 980) [ClassicSimilarity], result of:
       5.2535195 = fieldWeight in 980, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.405631 = idf(docFreq=26, maxDocs=44421)
         0.625 = fieldNorm(doc=980)
   

2. Staud, J.L.: Relationale Datenbanken aufbauen : die zweiten drei Normalformen (1994) 5.25

   5.2535195 = sum of:
     5.2535195 = weight(author_txt:staud in 5339) [ClassicSimilarity], result of:
       5.2535195 = fieldWeight in 5339, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.405631 = idf(docFreq=26, maxDocs=44421)
         0.625 = fieldNorm(doc=5339)
   

3. Staud, J.L.: Relationale Datenbanksysteme : eine Einführung (1994) 5.25

   5.2535195 = sum of:
     5.2535195 = weight(author_txt:staud in 6599) [ClassicSimilarity], result of:
       5.2535195 = fieldWeight in 6599, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.405631 = idf(docFreq=26, maxDocs=44421)
         0.625 = fieldNorm(doc=6599)
   

4. Staud, J.L.: Typen datenverwaltender Systeme : T.1 (1993) 5.25

   5.2535195 = sum of:
     5.2535195 = weight(author_txt:staud in 6677) [ClassicSimilarity], result of:
       5.2535195 = fieldWeight in 6677, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.405631 = idf(docFreq=26, maxDocs=44421)
         0.625 = fieldNorm(doc=6677)
   

5. Staud, J.L.: Lernen mit Hypermedia : die CBT-Disketten der Fernuniversität (1994) 5.25

   5.2535195 = sum of:
     5.2535195 = weight(author_txt:staud in 7184) [ClassicSimilarity], result of:
       5.2535195 = fieldWeight in 7184, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.405631 = idf(docFreq=26, maxDocs=44421)
         0.625 = fieldNorm(doc=7184)
   

Similar documents (content)

1. Staud, J.L.: Datenbanken entwerfen mit dem ER-Modell (1995) 0.29

   0.2884779 = sum of:
     0.2884779 = product of:
       0.7933142 = sum of:
         0.15017487 = weight(abstract_txt:datenbanken in 1461) [ClassicSimilarity], result of:
           0.15017487 = score(doc=1461,freq=3.0), product of:
             0.15971161 = queryWeight, product of:
               1.0232973 = boost
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.026952917 = queryNorm
             0.9402877 = fieldWeight in 1461, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.09375 = fieldNorm(doc=1461)
         0.24943456 = weight(abstract_txt:aufbauen in 1461) [ClassicSimilarity], result of:
           0.24943456 = score(doc=1461,freq=1.0), product of:
             0.32305998 = queryWeight, product of:
               1.4553759 = boost
               8.235732 = idf(docFreq=31, maxDocs=44421)
               0.026952917 = queryNorm
             0.77209985 = fieldWeight in 1461, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.235732 = idf(docFreq=31, maxDocs=44421)
               0.09375 = fieldNorm(doc=1461)
         0.27254343 = weight(abstract_txt:relationalen in 1461) [ClassicSimilarity], result of:
           0.27254343 = score(doc=1461,freq=1.0), product of:
             0.3427172 = queryWeight, product of:
               1.4989997 = boost
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.026952917 = queryNorm
             0.79524297 = fieldWeight in 1461, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.09375 = fieldNorm(doc=1461)
         0.12116133 = weight(abstract_txt:eines in 1461) [ClassicSimilarity], result of:
           0.12116133 = score(doc=1461,freq=2.0), product of:
             0.199628 = queryWeight, product of:
               1.6179285 = boost
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.026952917 = queryNorm
             0.60693556 = fieldWeight in 1461, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.09375 = fieldNorm(doc=1461)
       0.36363637 = coord(4/11)
   

2. Meier, A.: Relationale Datenbanken : eine Einführung für die Praxis (1995) 0.28

   0.2773762 = sum of:
     0.2773762 = product of:
       0.76278454 = sum of:
         0.08670351 = weight(abstract_txt:datenbanken in 2774) [ClassicSimilarity], result of:
           0.08670351 = score(doc=2774,freq=1.0), product of:
             0.15971161 = queryWeight, product of:
               1.0232973 = boost
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.026952917 = queryNorm
             0.5428754 = fieldWeight in 2774, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.09375 = fieldNorm(doc=2774)
         0.27254343 = weight(abstract_txt:relationalen in 2774) [ClassicSimilarity], result of:
           0.27254343 = score(doc=2774,freq=1.0), product of:
             0.3427172 = queryWeight, product of:
               1.4989997 = boost
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.026952917 = queryNorm
             0.79524297 = fieldWeight in 2774, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.09375 = fieldNorm(doc=2774)
         0.3178636 = weight(abstract_txt:relationale in 2774) [ClassicSimilarity], result of:
           0.3178636 = score(doc=2774,freq=1.0), product of:
             0.379728 = queryWeight, product of:
               1.5778652 = boost
               8.928879 = idf(docFreq=15, maxDocs=44421)
               0.026952917 = queryNorm
             0.8370824 = fieldWeight in 2774, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.928879 = idf(docFreq=15, maxDocs=44421)
               0.09375 = fieldNorm(doc=2774)
         0.085674 = weight(abstract_txt:eines in 2774) [ClassicSimilarity], result of:
           0.085674 = score(doc=2774,freq=1.0), product of:
             0.199628 = queryWeight, product of:
               1.6179285 = boost
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.026952917 = queryNorm
             0.42916828 = fieldWeight in 2774, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.09375 = fieldNorm(doc=2774)
       0.36363637 = coord(4/11)
   

3. Meier, A.: Relationale Datenbanken : eine Einführung für die Praxis (2001) 0.28

   0.2773762 = sum of:
     0.2773762 = product of:
       0.76278454 = sum of:
         0.08670351 = weight(abstract_txt:datenbanken in 1093) [ClassicSimilarity], result of:
           0.08670351 = score(doc=1093,freq=1.0), product of:
             0.15971161 = queryWeight, product of:
               1.0232973 = boost
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.026952917 = queryNorm
             0.5428754 = fieldWeight in 1093, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.09375 = fieldNorm(doc=1093)
         0.27254343 = weight(abstract_txt:relationalen in 1093) [ClassicSimilarity], result of:
           0.27254343 = score(doc=1093,freq=1.0), product of:
             0.3427172 = queryWeight, product of:
               1.4989997 = boost
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.026952917 = queryNorm
             0.79524297 = fieldWeight in 1093, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.09375 = fieldNorm(doc=1093)
         0.3178636 = weight(abstract_txt:relationale in 1093) [ClassicSimilarity], result of:
           0.3178636 = score(doc=1093,freq=1.0), product of:
             0.379728 = queryWeight, product of:
               1.5778652 = boost
               8.928879 = idf(docFreq=15, maxDocs=44421)
               0.026952917 = queryNorm
             0.8370824 = fieldWeight in 1093, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.928879 = idf(docFreq=15, maxDocs=44421)
               0.09375 = fieldNorm(doc=1093)
         0.085674 = weight(abstract_txt:eines in 1093) [ClassicSimilarity], result of:
           0.085674 = score(doc=1093,freq=1.0), product of:
             0.199628 = queryWeight, product of:
               1.6179285 = boost
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.026952917 = queryNorm
             0.42916828 = fieldWeight in 1093, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.09375 = fieldNorm(doc=1093)
       0.36363637 = coord(4/11)
   

4. Meier, A.: Relationale Datenbanken : eine Einführung für die Praxis (1997) 0.28

   0.2773762 = sum of:
     0.2773762 = product of:
       0.76278454 = sum of:
         0.08670351 = weight(abstract_txt:datenbanken in 1693) [ClassicSimilarity], result of:
           0.08670351 = score(doc=1693,freq=1.0), product of:
             0.15971161 = queryWeight, product of:
               1.0232973 = boost
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.026952917 = queryNorm
             0.5428754 = fieldWeight in 1693, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.790671 = idf(docFreq=368, maxDocs=44421)
               0.09375 = fieldNorm(doc=1693)
         0.27254343 = weight(abstract_txt:relationalen in 1693) [ClassicSimilarity], result of:
           0.27254343 = score(doc=1693,freq=1.0), product of:
             0.3427172 = queryWeight, product of:
               1.4989997 = boost
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.026952917 = queryNorm
             0.79524297 = fieldWeight in 1693, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.482592 = idf(docFreq=24, maxDocs=44421)
               0.09375 = fieldNorm(doc=1693)
         0.3178636 = weight(abstract_txt:relationale in 1693) [ClassicSimilarity], result of:
           0.3178636 = score(doc=1693,freq=1.0), product of:
             0.379728 = queryWeight, product of:
               1.5778652 = boost
               8.928879 = idf(docFreq=15, maxDocs=44421)
               0.026952917 = queryNorm
             0.8370824 = fieldWeight in 1693, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.928879 = idf(docFreq=15, maxDocs=44421)
               0.09375 = fieldNorm(doc=1693)
         0.085674 = weight(abstract_txt:eines in 1693) [ClassicSimilarity], result of:
           0.085674 = score(doc=1693,freq=1.0), product of:
             0.199628 = queryWeight, product of:
               1.6179285 = boost
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.026952917 = queryNorm
             0.42916828 = fieldWeight in 1693, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.09375 = fieldNorm(doc=1693)
       0.36363637 = coord(4/11)
   

5. Schmitz-Esser, W.: ¬Ein Thesaurus als Teil eines terminologischen Lexikons (1995) 0.23

   0.2294699 = sum of:
     0.2294699 = product of:
       0.8413896 = sum of:
         0.1967761 = weight(abstract_txt:vorstellung in 3075) [ClassicSimilarity], result of:
           0.1967761 = score(doc=3075,freq=1.0), product of:
             0.22768503 = queryWeight, product of:
               1.221802 = boost
               6.9139757 = idf(docFreq=119, maxDocs=44421)
               0.026952917 = queryNorm
             0.86424696 = fieldWeight in 3075, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.9139757 = idf(docFreq=119, maxDocs=44421)
               0.125 = fieldNorm(doc=3075)
         0.114232 = weight(abstract_txt:eines in 3075) [ClassicSimilarity], result of:
           0.114232 = score(doc=3075,freq=1.0), product of:
             0.199628 = queryWeight, product of:
               1.6179285 = boost
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.026952917 = queryNorm
             0.5722244 = fieldWeight in 3075, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.577795 = idf(docFreq=1240, maxDocs=44421)
               0.125 = fieldNorm(doc=3075)
         0.5303815 = weight(abstract_txt:entwurfs in 3075) [ClassicSimilarity], result of:
           0.5303815 = score(doc=3075,freq=1.0), product of:
             0.4409728 = queryWeight, product of:
               1.7003547 = boost
               9.622026 = idf(docFreq=7, maxDocs=44421)
               0.026952917 = queryNorm
             1.2027533 = fieldWeight in 3075, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.622026 = idf(docFreq=7, maxDocs=44421)
               0.125 = fieldNorm(doc=3075)
       0.27272728 = coord(3/11)