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  • About me
  • I LEARNED
    • General
    • Seminar
    • Web
    • Spring & OOP
    • Ruby On Rails
    • Node.js & Express
    • Programing Language
    • DB
      • Redis
      • Index(인덱슀)?
      • DB Transaction & Lock
      • λ™μ‹œμ„± μ œμ–΄μ— κ΄€ν•˜μ—¬
      • Lock(잠금)μ΄λž€?
      • ActiveRecord lock vs with_lock
      • Table lock vs Row lock
      • WHERE 1=1 ꡬ문에 λŒ€ν•˜μ—¬
      • COUNT(*) vs COUNT(indexed column)
      • πŸ“•κ΄€κ³„ν˜• λ°μ΄ν„°λ² μ΄μŠ€ μ‹€μ „μž…λ¬Έ
      • πŸ“”SQL 첫걸음
      • πŸ“”λͺ¨λ‘μ˜ SQL
    • Design Patterns
    • OOP
    • Regex
    • Collaboration
  • DAILY REVIEW
    • 2021
    • 2020
    • Good article 아카이빙
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  1. I LEARNED

DB

Redischevron-rightIndex(인덱슀)?chevron-rightDB Transaction & Lockchevron-rightλ™μ‹œμ„± μ œμ–΄μ— κ΄€ν•˜μ—¬chevron-rightLock(잠금)μ΄λž€?chevron-rightActiveRecord lock vs with_lockchevron-rightTable lock vs Row lockchevron-rightWHERE 1=1 ꡬ문에 λŒ€ν•˜μ—¬chevron-rightCOUNT(*) vs COUNT(indexed column)chevron-rightπŸ“•κ΄€κ³„ν˜• λ°μ΄ν„°λ² μ΄μŠ€ μ‹€μ „μž…λ¬Έchevron-rightπŸ“”SQL 첫걸음chevron-rightπŸ“”λͺ¨λ‘μ˜ SQLchevron-right
PreviousνΌνŽ™νŠΈ 루비chevron-leftNextRedischevron-right

Last updated 4 years ago