DE69028373D1 - Mehrstufiges Verriegelungssystem und -verfahren - Google Patents

Mehrstufiges Verriegelungssystem und -verfahren

Info

Publication number
DE69028373D1
DE69028373D1 DE69028373T DE69028373T DE69028373D1 DE 69028373 D1 DE69028373 D1 DE 69028373D1 DE 69028373 T DE69028373 T DE 69028373T DE 69028373 T DE69028373 T DE 69028373T DE 69028373 D1 DE69028373 D1 DE 69028373D1
Authority
DE
Germany
Prior art keywords
locking system
stage locking
stage
locking
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69028373T
Other languages
English (en)
Other versions
DE69028373T2 (de
Inventor
Daniel Manuel Dias
Balakrishna Raghavendra Iyer
Philip Shi-Lung Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69028373D1 publication Critical patent/DE69028373D1/de
Publication of DE69028373T2 publication Critical patent/DE69028373T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F16/2336—Pessimistic concurrency control approaches, e.g. locking or multiple versions without time stamps
    • G06F16/2343—Locking methods, e.g. distributed locking or locking implementation details

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multi Processors (AREA)
DE69028373T 1989-11-13 1990-10-30 Mehrstufiges Verriegelungssystem und -verfahren Expired - Fee Related DE69028373T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/434,649 US5161227A (en) 1989-11-13 1989-11-13 Multilevel locking system and method

Publications (2)

Publication Number Publication Date
DE69028373D1 true DE69028373D1 (de) 1996-10-10
DE69028373T2 DE69028373T2 (de) 1997-03-13

Family

ID=23725078

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028373T Expired - Fee Related DE69028373T2 (de) 1989-11-13 1990-10-30 Mehrstufiges Verriegelungssystem und -verfahren

Country Status (4)

Country Link
US (1) US5161227A (de)
EP (1) EP0428006B1 (de)
JP (1) JPH03161859A (de)
DE (1) DE69028373T2 (de)

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Also Published As

Publication number Publication date
EP0428006B1 (de) 1996-09-04
DE69028373T2 (de) 1997-03-13
US5161227A (en) 1992-11-03
EP0428006A2 (de) 1991-05-22
EP0428006A3 (en) 1992-12-30
JPH03161859A (ja) 1991-07-11

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