SG42824A1 - Tree structure database system - Google Patents

Tree structure database system

Info

Publication number
SG42824A1
SG42824A1 SG1995002310A SG1995002310A SG42824A1 SG 42824 A1 SG42824 A1 SG 42824A1 SG 1995002310 A SG1995002310 A SG 1995002310A SG 1995002310 A SG1995002310 A SG 1995002310A SG 42824 A1 SG42824 A1 SG 42824A1
Authority
SG
Singapore
Prior art keywords
database
tree structure
nodes
modification
access
Prior art date
Application number
SG1995002310A
Other languages
English (en)
Inventor
Frank Eliot Levine
Chandrasekaran Mohan
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Publication of SG42824A1 publication Critical patent/SG42824A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2228—Indexing structures
    • G06F16/2246—Trees, e.g. B+trees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/2308—Concurrency control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Mathematical Physics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
SG1995002310A 1988-04-08 1988-08-03 Tree structure database system SG42824A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/179,190 US5123104A (en) 1988-04-08 1988-04-08 Method and apparatus for concurrent modification of an index tree in a transaction processing system utilizing selective indication of structural modification operations

Publications (1)

Publication Number Publication Date
SG42824A1 true SG42824A1 (en) 1997-10-17

Family

ID=22655596

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995002310A SG42824A1 (en) 1988-04-08 1988-08-03 Tree structure database system

Country Status (13)

Country Link
US (1) US5123104A (de)
EP (1) EP0336035B1 (de)
JP (1) JP2505040B2 (de)
KR (1) KR930002331B1 (de)
CN (1) CN1021713C (de)
BR (1) BR8901659A (de)
DE (1) DE3854667T2 (de)
ES (1) ES2079355T3 (de)
GB (1) GB8818455D0 (de)
HK (1) HK71296A (de)
MY (1) MY107385A (de)
PH (1) PH27313A (de)
SG (1) SG42824A1 (de)

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US7010662B2 (en) * 2002-02-27 2006-03-07 Microsoft Corporation Dynamic data structures for tracking file system free space in a flash memory device
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Also Published As

Publication number Publication date
ES2079355T3 (es) 1996-01-16
DE3854667D1 (de) 1995-12-14
KR890016469A (ko) 1989-11-29
JP2505040B2 (ja) 1996-06-05
JPH0212460A (ja) 1990-01-17
BR8901659A (pt) 1989-11-21
EP0336035A3 (de) 1992-07-01
KR930002331B1 (ko) 1993-03-29
CN1021713C (zh) 1993-07-28
CN1037044A (zh) 1989-11-08
US5123104A (en) 1992-06-16
EP0336035A2 (de) 1989-10-11
DE3854667T2 (de) 1996-06-20
PH27313A (en) 1993-05-28
HK71296A (en) 1996-05-03
EP0336035B1 (de) 1995-11-08
MY107385A (en) 1995-11-30
GB8818455D0 (en) 1988-09-07

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