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SQL κΈ°μ΄μ΄λ‘ λͺ¨μ
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Manipulation | Introduction to SQL
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codecademy νλ‘μ νΈ λͺ¨μ
νλ‘μ νΈ μ΄λ¦
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ν μ΄λΈ μμ±κ³Ό λ°μ΄ν° μΆκ°/μμ /μμ μ€μ΅
SQLD μ격μ¦
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SQLD μκ²©μ¦ μ΄λ‘
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λ°μ΄ν° λͺ¨λΈκ³Ό μ±λ₯
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λ°μ΄ν° λͺ¨λΈκ³Ό μ±λ₯
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λ°μ΄ν° λͺ¨λΈλ§μ μ΄ν΄
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λ°μ΄ν° λͺ¨λΈλ§
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SQLD μκ²©μ¦ μ€λ΅λ ΈνΈ
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2 κ³Όλͺ© μ 리
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1 κ³Όλͺ© μ 리
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μ€λ΅λ ΈνΈ
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1κ³Όλͺ©
μ€λ΅λ ΈνΈ
λ°μ΄ν° λͺ¨λΈκ³Ό μ±λ₯
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λ°μ΄ν° λͺ¨λΈλ§
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λ°μ΄ν° λͺ¨λΈλ§
μν°ν°
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2κ³Όλͺ©
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SQL νμ©
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HackerRank SQL λ¬Έμ
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PERCENT_RANK()
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κ°λ
POW, SQRT
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ABS
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GROUP BY
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COUNT
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κ°λ
05.26 λ¬Έμ νμ΄
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Basic
REPLACE
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κ°λ
CEIL
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κ°λ
LEFT, RIGHT
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κ°λ
05.25 λ¬Έμ νμ΄
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LIKE
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DISTINCT
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κ°λ
05.24 λ¬Έμ νμ΄
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Basic