WO2002073465A3 - System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic - Google Patents

System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic Download PDF

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Publication number
WO2002073465A3
WO2002073465A3 PCT/US2002/005935 US0205935W WO02073465A3 WO 2002073465 A3 WO2002073465 A3 WO 2002073465A3 US 0205935 W US0205935 W US 0205935W WO 02073465 A3 WO02073465 A3 WO 02073465A3
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WO
WIPO (PCT)
Prior art keywords
database
data
log
business logic
transaction
Prior art date
Application number
PCT/US2002/005935
Other languages
French (fr)
Other versions
WO2002073465A2 (en
Inventor
David Reed
Original Assignee
Oracle 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 Oracle Corp filed Critical Oracle Corp
Priority to CA2439923A priority Critical patent/CA2439923C/en
Priority to AU2002242282A priority patent/AU2002242282B2/en
Priority to CN02806284.1A priority patent/CN1535434B/en
Priority to EP02707913A priority patent/EP1368753A2/en
Priority to JP2002572052A priority patent/JP4414139B2/en
Publication of WO2002073465A2 publication Critical patent/WO2002073465A2/en
Publication of WO2002073465A3 publication Critical patent/WO2002073465A3/en

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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
    • 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
    • G06F16/2358—Change logging, detection, and notification
    • 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
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • 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
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability

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  • 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)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

A system (10) and method (150) for maintaining large-grained database concurrency with a log monitor (26) incorporating dynamically redefinable business logic (94) are described. Operations expressed in a data manipulation language are executed against a source database (51). At least one operation constitutes a commit operation that completes each database transaction. A current rule set (55) is defined. Each rule includes business logic (94) specifying a data selection criteria for records stored in the stored in the source database. A log entry (70) is periodically generated in a log (54) for each transaction committed to the source database (51). Each log entry (70) identifies an affected record and includes transactional data. The transaction identified in each log entry (70) is evaluated against the data selection criteria specified in the current rule set (55). A new record (57) is built in accordance with metadata (56) describing a destination database (58). The new record (57) contains select transactional data from the log entry (70) of each transaction meeting the selection criteria. The new record (57) is stored into the destination database(58). The data stored in the destination database (58) includes at least a partial subset of the source database (51).
PCT/US2002/005935 2001-03-09 2002-02-25 System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic WO2002073465A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2439923A CA2439923C (en) 2001-03-09 2002-02-25 System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic
AU2002242282A AU2002242282B2 (en) 2001-03-09 2002-02-25 System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic
CN02806284.1A CN1535434B (en) 2001-03-09 2002-02-25 The system and method for coarsegrain database concurrency is kept for combining business logic that dynamic defines again at Log Monitor
EP02707913A EP1368753A2 (en) 2001-03-09 2002-02-25 System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic
JP2002572052A JP4414139B2 (en) 2001-03-09 2002-02-25 System and method for maintaining large granular database concurrency with a log monitor incorporating dynamically redefinable business logic

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/804,672 US6832229B2 (en) 2001-03-09 2001-03-09 System and method for maintaining large-grained database concurrency with a log monitor incorporating dynamically redefinable business logic
US09/804,672 2001-03-09

Publications (2)

Publication Number Publication Date
WO2002073465A2 WO2002073465A2 (en) 2002-09-19
WO2002073465A3 true WO2002073465A3 (en) 2003-10-02

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US (1) US6832229B2 (en)
EP (1) EP1368753A2 (en)
JP (1) JP4414139B2 (en)
CN (1) CN1535434B (en)
AU (1) AU2002242282B2 (en)
CA (1) CA2439923C (en)
WO (1) WO2002073465A2 (en)

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Also Published As

Publication number Publication date
CN1535434A (en) 2004-10-06
JP2005502934A (en) 2005-01-27
WO2002073465A2 (en) 2002-09-19
US20020128996A1 (en) 2002-09-12
CA2439923C (en) 2012-02-21
CA2439923A1 (en) 2002-09-19
EP1368753A2 (en) 2003-12-10
JP4414139B2 (en) 2010-02-10
AU2002242282B2 (en) 2007-12-20
CN1535434B (en) 2016-02-10
US6832229B2 (en) 2004-12-14

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