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find vs getReference

μ˜μ†μ„± μ»¨ν…μŠ€νŠΈμ— ν•΄λ‹Ή 객체가 μ—†λ‹€κ³  κ°€μ •

β€’
find ν•˜λ©΄ μ˜μ†μ„± μ»¨ν…μŠ€νŠΈμ— 없을 μ‹œ λ°”λ‘œ 쿼리가 λ‚˜κ°
β€’
getReference ν•˜λ©΄ id 만 가진 ν”„λ‘μ‹œ 객체 생성
β€’
κ·Έλž˜μ„œ id 외에 λ‹€λ₯Έ ν•„λ“œμ— μ ‘κ·Όν•˜λ €κ³  ν•  λ•Œ 쿼리가 λ‚˜κ°
β€’
κ·Έλž˜μ„œ getReference λŠ” getReferenceById 밖에 μ—†λ‹€.
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