KR102645141B1 - 데이터베이스 내 타겟 키를 검색하는 방법, 시스템, 및 비-휘발성 컴퓨터 판독가능한 매체 - Google Patents

데이터베이스 내 타겟 키를 검색하는 방법, 시스템, 및 비-휘발성 컴퓨터 판독가능한 매체 Download PDF

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KR102645141B1
KR102645141B1 KR1020200068315A KR20200068315A KR102645141B1 KR 102645141 B1 KR102645141 B1 KR 102645141B1 KR 1020200068315 A KR1020200068315 A KR 1020200068315A KR 20200068315 A KR20200068315 A KR 20200068315A KR 102645141 B1 KR102645141 B1 KR 102645141B1
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박희권
홍일구
이호빈
기양석
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삼성전자주식회사
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22Indexing; Data structures therefor; Storage structures
    • G06F16/2282Tablespace storage structures; Management thereof
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/13File access structures, e.g. distributed indices
    • G06F16/137Hash-based
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/14Details of searching files based on file metadata
    • G06F16/148File search processing
    • G06F16/152File search processing using file content signatures, e.g. hash values
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22Indexing; Data structures therefor; Storage structures
    • G06F16/2228Indexing structures
    • G06F16/2255Hash tables
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24Querying
    • G06F16/245Query processing
    • G06F16/2455Query execution
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24Querying
    • G06F16/245Query processing
    • G06F16/2455Query execution
    • G06F16/24553Query execution of query operations
    • G06F16/24558Binary matching operations
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/31Indexing; Data structures therefor; Storage structures
    • G06F16/316Indexing structures
    • G06F16/325Hash tables
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/901Indexing; Data structures therefor; Storage structures
    • G06F16/9014Indexing; Data structures therefor; Storage structures hash tables

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computational Linguistics (AREA)
  • Library & Information Science (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Radar Systems Or Details Thereof (AREA)
KR1020200068315A 2019-09-20 2020-06-05 데이터베이스 내 타겟 키를 검색하는 방법, 시스템, 및 비-휘발성 컴퓨터 판독가능한 매체 Active KR102645141B1 (ko)

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US201962903637P 2019-09-20 2019-09-20
US62/903,637 2019-09-20
US16/837,730 US11520738B2 (en) 2019-09-20 2020-04-01 Internal key hash directory in table
US16/837,730 2020-04-01

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KR20210034471A KR20210034471A (ko) 2021-03-30
KR102645141B1 true KR102645141B1 (ko) 2024-03-12

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US (1) US11520738B2 (enExample)
JP (1) JP2021051732A (enExample)
KR (1) KR102645141B1 (enExample)
CN (1) CN112540981B (enExample)
TW (1) TWI819230B (enExample)

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US20210089498A1 (en) 2021-03-25
TWI819230B (zh) 2023-10-21
US11520738B2 (en) 2022-12-06
TW202113624A (zh) 2021-04-01
CN112540981B (zh) 2025-09-02
KR20210034471A (ko) 2021-03-30
JP2021051732A (ja) 2021-04-01
CN112540981A (zh) 2021-03-23

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