Similar concepts
Pages with this concept
| Similarity |
Page |
Snapshot |
| 72 |
Its main advantages are:1 it is easy to implement;2 it provides fast access to the next record using lexicographic order
...Its disadvantages:1 it is difficult to update inserting a new record may require moving a large proportion of the file;2 random access is extremely slow
...Sometimes a file is considered to be sequentially organised despite the fact that it is not ordered according to any key
...Inverted files The importance of this file structure will become more apparent when Boolean Searches are discussed in the next chapter
...An inverted file is a file structure in which every list contains only one record
...Index sequential files An index sequential file is an inverted file in which for every keyword Ki,we have ni hi 1 and a 11 <a 21
... |
| 199 |
LUHN,H
...LUM,V
...LUM,V
...McCARN,D
...McDONELL,K
...MACNAUGHTON SMITH,P
...MacQUEEN,J
...MANOLA,F
...MARON,M
...MARON,M
...MARON,M
...MARON,M
...MARON,M
...MARSCHAK,J
...MEALEY,G
...Medline Reference Manual,Medlars Management Section,Bibliographic Services Division,National Library of Medicine
...MILLER,W
...MINKER,J
...MINSKY,M
...MONTGOMERY,C
...MORRIS,R
...MURRAY,D
...MURRAY,D
... |
| 94 |
34
...35
...36
...37
...38
...39
...40
...41
...42
...43
...44
...45
...46
...47
...48
...49
...50
...51
...52
...53
...54
...55
...56
... |
| 193 |
BELL,J
...BELNAP,N
...BELNAP,N
...BENTLEY,J
...BENTLEY,J
...BERGE,C
...BERTZISS,A
...BONNER,R
...BONO,P
...BOOKSTEIN,A
...BOOKSTEIN,A
...BOOKSTEIN,A
...BOOKSTEIN,A
...BORKO,H
...BORKO,H
...BORKO,H
...BOULTON,D
...BOULTON,D
...BOX,G
...BROOKES,B
...BURKHARD,W
...BURKHARD,W
...CARROLL,J
...CAWKELL,A
... |
| 203 |
SPARCK JONES,K
...STANFEL,L
...STANFEL,L
...STANFEL,L
...STEVENS,M
...STEVENS,M
...STILES,H
...STONE,D
...SUSSENGUTH,E
...SWETS,J
...SWETS,J
...van RIJSBEGEN,C
...van RIJSBERGEN,C
...van RIJSBERGEN,C
...van RIJSBERGEN,C
...van RIJSBERGEN,C
...van RIJSBERGEN,C
...van RIJSBERGEN,C
...van RIJSBERGEN,C
...van RYZIN,J
...VASWANI,P
...VERHOEFF,J
...VICKERY,B
...WARHEIT,1
...WATANABE,S
...WEILER,G
... |
| 93 |
9
...10
...11
...12
...13
...14
...15
...16
...17
...18
...19
...20
...21
...22
...23
...24
...25
...26
...27
...28
...29
...30
...31
...32
...33
... |
| 63 |
15
...16
...17
...18
...19
...20
...21
...22
...23
...24
...25
...26
...27
...28
...29
...30
...31
...32
...33
...34
...35
...36
...37
... |
| 64 |
38
...39
...40
...41
...42
...43
...44
...45
...46
...47
...48
...49
...50
...51
...52
...53
...54
...55
...56
...57
...58
... |
| 197 |
HARTIGAN,J
...HATFIELD,D
...HAYES,R
...HAYES,R
...HEINE,M
...HEINE,M
...HEMPEL,C
...HIGGINS,L
...HILL,D
...HSIAO,D
...HSIAO,D
...HUGHES,G
...HYVARINEN,L
...IVIE,E
...JARDINE,N
...JARDINE,N
...JOHNSON,D
...JONKERS,H
...KANG,A
...KEEN,E
...KEEN,E
...KEENAN,E
...KEENAN,E
... |
|
|
