DataBase Refactoring - Speaker Deck

DataBase Refactoring

by soudai sone

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σʔλϕʔε ϦϑΝΫλϦϯά Φʔϓϯηϛφʔ!Ԭࢁ

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What is it? ࠓ೔Έͳ͞Μʹ࣋ͬͯؼͬͯ΄͍͜͠ͱ

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What is it? σʔλϕʔεͷण໋͸ ΞϓϦέʔγϣϯΑΓ΋௕͍

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What is it? ͦΜͳ௕͍෇͖߹͍ʹͳΔσʔλϕʔε ͷେ੾ͳࣄΛ͓఻͑͠·͢

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What is it? σʔλϕʔεͷϦϑΝΫλϦϯάͯ͠·͔͢ʁ

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What is it? ෆద੾ͳσʔλϕʔε͕ ίʔυ΍αʔϏεͷ੒௕ΛࢭΊΔ

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What is it?

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What is it? վળ͢ΔͨΊͷ࠷ॳͷҰาΛ͓఻͑͠·͢

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͋͐͡Μͩ ̍ɹࣗݾ঺հ ̎ɹσʔλϕʔεͷෆ٢ͳष͍ ̏ɹઓ͏ͨΊͷࣄલ४උ ̐ɹϦϑΝΫλϦϯά ̑ɹ·ͱΊ

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͋͐͡Μͩ ̍ɹࣗݾ঺հ ̎ɹσʔλϕʔεͷෆ٢ͳष͍ ̏ɹઓ͏ͨΊͷࣄલ४උ ̐ɹϦϑΝΫλϦϯά ̑ɹ·ͱΊ

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ࣗݾ঺հ ໊લɿીࠜɹ૖େʢͦͶɹ͚ͨͱ΋ʣ ೥ྸɿ32ࡀʢࡾਓͷࢠڙ͕͍·͢ʣ ৬ۀɿηʔϧεΤϯδχΞ ॴଐɿגࣜձࣾ ͸ͯͳʢMackerelνʔϜʣ ɹɹɹ೔ຊPostgreSQLϢʔβձ ɹɹɹɹɹதࠃࢧ෦ ࢧ෦௕ ɹɹٕज़తʹ͸LLܥݴޠͱ͔RDB͕޷͖Ͱ͢

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ࣗݾ঺հ ໊લɿીࠜɹ૖େʢͦͶɹ͚ͨͱ΋ʣ ೥ྸɿ32ࡀʢࡾਓͷࢠڙ͕͍·͢ʣ ৬ۀɿηʔϧεΤϯδχΞ ॴଐɿגࣜձࣾ ͸ͯͳʢMackerelνʔϜʣ ɹɹɹ೔ຊPostgreSQLϢʔβձ ɹɹɹɹɹதࠃࢧ෦ ࢧ෦௕ ɹɹٕज़తʹ͸LLܥݴޠͱ͔RDB͕޷͖Ͱ͢ ೖࣾͰ͢ʂ

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Mackerel

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Mackerel

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͸ͯͳ͸஥ؒΛ୳ͯ͠·͢ curl -sIL mackerel.io | grep engineer

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͋͐͡Μͩ ̍ɹࣗݾ঺հ ̎ɹσʔλϕʔεͷෆ٢ͳष͍ ̏ɹઓ͏ͨΊͷࣄલ४උ ̐ɹϦϑΝΫλϦϯά ̑ɹ·ͱΊ

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σʔλϕʔεͷෆ٢ͳष͍ σʔλϕʔεͷෆ٢ͳष͍

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ Ϩίʔυͷଐੑʹ߹Θͤͯ஋ͷҙຯ͕มΘΔΑ͏ͳΧϥϜ ձһͩͱೖձ೔ɺελοϑͩͱೖࣾ೔ͱ͢ΔͳͲ

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ ςʔϒϧόʔδϣϯ ࢓༷มߋͷ܁Γฦ͠ͷ຤ɺੜ·ΕΔ͜ͱ͕͋Δ

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ ඇਖ਼نԽͷ຤ɺσʔλͷ੔߹ੑ͕औΕͳ͘ͳΔ

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ ྫ͑͹NFNP NFNP NFNPʜ ຊ౰ʹඞཁͳ৔߹͸ෳ਺ͷΤϯςΟςΟΛͭʹͯ͠ΔՄ ೳੑ͕͋Δ

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ ෆཁͳσʔλ͸࡟আ͢Δʢ࿦ཧ࡟আ͠ͳ͍ʣ ຊ౰ʹඞཁͳ৔߹͸ύʔςʔγϣϯ΍γϟʔσΟϯά

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ ࿦ཧ*%ͳͲσʔλͷதͷ৘ใʹΑͬͯҙຯ͕มΘΔ΋ͷ ͔Β࢝·Δ*%͸؅ཧऀɺ͔Β࢝·Δ*%͸ϢʔβͳͲ

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σʔλϕʔεͷෆ٢ͳष͍ wෳ਺ͷ໨తʹ࢖ΘΕΔΧϥϜ wෳ਺ͷ໨తʹ࢖ΘΕΔςʔϒϧ w৑௕ͳσʔλ wΧϥϜͷଟ͗͢Δςʔϒϧ wߦͷଟ͗͢Δςʔϒϧ wʮεϚʔτʯΧϥϜ wมߋͷڪා σʔλϕʔεϦϑΝΫλϦϯά͔ΒҾ༻ σʔλϕʔεͷมߋ΍σʔλͷߋ৽ʹΑͬͯɺΞϓϦέʔ γϣϯ͕յΕΔͷͰ͸ʁͱͳΓखΛ෇͚Εͳ͍ঢ়ଶ

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σʔλϕʔεͷෆ٢ͳष͍ σʔλϕʔεͷෆ٢ͳष͍

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σʔλϕʔεͷෆ٢ͳष͍ σʔλϕʔεͷෆ٢ͳष͍ ˣ ٕज़తෛ࠴

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σʔλϕʔεͷෆ٢ͳष͍ νʔζͳͷ͔෗ͬͨڇೕͳͷ͔

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σʔλϕʔεͷෆ٢ͳष͍ νʔζͳͷ͔෗ͬͨڇೕͳͷ͔ ˣ ຊ౰ʹվम͕ඞཁ͔Ͳ͏͔

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σʔλϕʔεͷෆ٢ͳष͍ ᄿ֮Λຏ͘

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σʔλϕʔεͷෆ٢ͳष͍ ৭ΜͳઃܭΛݟΔ

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σʔλϕʔεͷෆ٢ͳष͍

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σʔλϕʔεͷෆ٢ͳष͍ ௚͢΂͖ͩͱ෼͔Ε͹ɺ ҆৺ͯ͋͠ͱ͸ಓΛਐΉ͚ͩ

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͋͐͡Μͩ ̍ɹࣗݾ঺հ ̎ɹσʔλϕʔεͷෆ٢ͳष͍ ̏ɹઓ͏ͨΊͷࣄલ४උ ̐ɹϦϑΝΫλϦϯά ̑ɹ·ͱΊ

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ઓ͏ͨΊͷࣄલ४උ ઓ͏ʹϦϑΝΫλϦϯά

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ઓ͏ͨΊͷࣄલ४උ σʔλϕʔεͷಛ௃

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ઓ͏ͨΊͷࣄલ४උ σʔλϕʔεͷಛ௃ w σʔλ͸ৗʹมԽ͍ͯ͠Δ w Өڹൣғ͕޿͍ w %#ΛࢭΊΔ͜ͱ͕೉͍͠

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ઓ͏ͨΊͷࣄલ४උ ϦϑΝΫλϦϯάʹඞཁͳϞϊ

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ઓ͏ͨΊͷࣄલ४උ

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ઓ͏ͨΊͷࣄલ४උ

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ઓ͏ͨΊͷࣄલ४උ σʔλϕʔεͷಛ௃ w σʔλ͸ৗʹมԽ͍ͯ͠Δ w Өڹൣғ͕޿͍ w %#ΛࢭΊΔ͜ͱ͕೉͍͠ ϞχλϦϯάͯ͠ঢ়ଶΛ஌Δ มԽͷӨڹΛϦΞϧλΠϜʹ஌Δ

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ઓ͏ͨΊͷࣄલ४උ σʔλϕʔεͷಛ௃ w σʔλ͸ৗʹมԽ͍ͯ͠Δ w Өڹൣғ͕޿͍ w %#ΛࢭΊΔ͜ͱ͕೉͍͠ Өڹ͕޿͍͔Βͦ͜ςετΛॻ͘ γφϦΦςετ΋େ੾ ؔ࿈͢ΔΞϓϦέʔγϣϯͷશ͕ͯର৅

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ઓ͏ͨΊͷࣄલ४උ σʔλϕʔεͷಛ௃ w σʔλ͸ৗʹมԽ͍ͯ͠Δ w Өڹൣғ͕޿͍ w %#ΛࢭΊΔ͜ͱ͕೉͍͠

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ઓ͏ͨΊͷࣄલ४උ αʔϏεఀࢭͷน w αʔϏε͸ࢭΊΕͳ͍ w ࢭΊͨ࣌ͷӨڹൣғ͕Θ͔Βͳ͍ w ແఀࢭͷ࢓૊ΈΛ࡞Δͷ͸೉͍͠

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ઓ͏ͨΊͷࣄલ४උ αʔϏεఀࢭͷน

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ઓ͏ͨΊͷࣄલ४උ αʔϏεఀࢭͷน ˣ ੓࣏ͱٕज़ͷ྆ํͰղܾ͢Δ

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ઓ͏ͨΊͷࣄલ४උ αʔϏεఀࢭͷน w αʔϏε͸ࢭΊΕͳ͍ w ࢭΊͨ࣌ͷӨڹൣғ͕Θ͔Βͳ͍ w ແఀࢭͷ࢓૊ΈΛ࡞Δͷ͸೉͍͠

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ઓ͏ͨΊͷࣄલ४උ αʔϏεఀࢭͷน w αʔϏε͸ࢭΊΕͳ͍ w ࢭΊͨ࣌ͷӨڹൣғ͕Θ͔Βͳ͍ w ແఀࢭͷ࢓૊ΈΛ࡞Δͷ͸೉͍͠

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ઓ͏ͨΊͷࣄલ४උ αʔϏεఀࢭͷน w αʔϏε͸ࢭΊΕͳ͍ w ࢭΊͨ࣌ͷӨڹൣғ͕Θ͔Βͳ͍ w ແఀࢭͷ࢓૊ΈΛ࡞Δͷ͸೉͍͠

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ઓ͏ͨΊͷࣄલ४උ σʔλϕʔεϦϑΝΫλϦϯά͸ ͘͢͝௕͍εύϯʹͳΔ

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ઓ͏ͨΊͷࣄલ४උ ࢝ΊΔલʹඞཁͳࣄ w ର৅Λબఆ͠ɺҠߦظؒΛܾΊΔ w ςετͱϞχλϦϯάΛἧ͑Δ w ϦϦʔεઓུΛܾΊΔ

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͋͐͡Μͩ ̍ɹࣗݾ঺հ ̎ɹσʔλϕʔεͷෆ٢ͳष͍ ̏ɹઓ͏ͨΊͷࣄલ४උ ̐ɹϦϑΝΫλϦϯά ̑ɹ·ͱΊ

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ϦϑΝΫλϦϯά σʔλϕʔεϦϑΝΫλϦϯά

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ϦϑΝΫλϦϯά

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ϦϑΝΫλϦϯά σʔλϕʔεϦϑΝΫλϦϯάͷ෼ྨ w ߏ଄ ςʔϒϧ΍7JFXͷఆٛ w σʔλ඼࣭ σʔλͷ஋ w ࢀর੔߹ੑ ςʔϒϧͷؔ࿈ੑ w ϝιου ετΞυϓϩγδϟ w มߋ ςʔϒϧ΍ΧϥϜͷ௥Ճ w ΞʔΩςΫνϟ ΞϓϦͱͷΠϯλʔϑΣΠε

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ϦϑΝΫλϦϯά ៉ྷͳϦϑΝΫλϦϯά w ࢀরͱߋ৽ͷಡΈࠐΈઌΛ෼͚Δ w ߋ৽ͷϘτϧωοΫΛ෼͚Δ w σʔλઃܭΛݟ௚͢ w ద੾ʹ*/%&9Λ׆༻͢Δ

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ϦϑΝΫλϦϯά ҋͷਂ͍ϦϑΝΫλϦϯά w +0*/Λඇਖ਼نԽͰิ͏ w ֎෦Ωʔ੍໿Λ֎͢ w ͱΓ͋͑ͣΩϟογϡʹಥͬࠐΉ w ۃ౓ͷεέʔϧΞοϓ

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ϦϑΝΫλϦϯά ϦϑΝΫλϦϯάख๏

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ϦϑΝΫλϦϯά ϦϑΝΫλϦϯάख๏ w %#ϚΠάϨʔγϣϯπʔϧΛ࢖͏ w %#ͷػೳΛར༻͢Δ w खಈͰ42-Λ࣮ߦ͢Δ

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ϦϑΝΫλϦϯά ϦϑΝΫλϦϯάख๏ w %#ϚΠάϨʔγϣϯπʔϧΛ࢖͏ w %#ͷػೳΛར༻͢Δ w खಈͰ42-Λ࣮ߦ͢Δ

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ϦϑΝΫλϦϯά ϦϑΝΫλϦϯάख๏ w %#ϚΠάϨʔγϣϯπʔϧΛ࢖͏ w %#ͷػೳΛར༻͢Δ w खಈͰ42-Λ࣮ߦ͢Δ

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ϦϑΝΫλϦϯά ϦϑΝΫλϦϯάख๏ w %#ϚΠάϨʔγϣϯπʔϧΛ࢖͏ w %#ͷػೳΛར༻͢Δ w खಈͰ42-Λ࣮ߦ͢Δ

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ϦϑΝΫλϦϯά ϦϑΝΫλϦϯάͷίπ

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ϦϑΝΫλϦϯά Ҡߦલʹ໭ͤΔࣄ

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ϦϑΝΫλϦϯά Ҡߦத͸աڈͷঢ়ଶΛอ࣋͢Δࣄ

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JE ໊લ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ

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JE ໊લ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ ຖ೥Ճྸͷ61%"5&͕ඞཁͳͷͰ ੜ೥݄೔ʹมߋ͍ͨ͠

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JE ໊લ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ ੜ೥݄೔͔Β೥ྸΛܭࢉͤ͞Δ ࢓૊Έ͕ඞཁ

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JE ໊લ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ

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JE ໊લ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ Ծ૝ྻΛར༻͢Δ

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JE ໊લ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ JE ໊લ ੜ೥݄೔ ೥ྸ ીࠜɹ૖େ ીࠜɹኽָ ીࠜɹᗅָ ીࠜɹࡣָ ෆཁʹͳͬͨΒ ࡟আ͢Δ

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ϦϑΝΫλϦϯά খ͞ͳมߋΛ௕͍εύϯͰ܁Γฦ͢

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ϦϑΝΫλϦϯά খ͞ͳมߋΛ௕͍εύϯͰ܁Γฦ͢ ˣ %#͸Өڹൣғ͕޿͍ͷͰ ੾Γ෼͚Λ͠΍͘͢͢Δ͜ͱ͕େࣄ

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ϦϑΝΫλϦϯά େ͖ͳσʔλͷϦϑΝΫλϦϯά

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ϦϑΝΫλϦϯά େ͖ͳσʔλͷϦϑΝΫλϦϯάྫ w େ͖ͳςʔϒϧͷมߋ w Ϩίʔυͷߋ৽͕ܹ͍͠ςʔϒϧ w %#ͷόʔδϣϯΞοϓ

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มߋલ ΞϓϦ

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ෳ੡ มߋલ มߋޙ ΞϓϦ

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มߋલ มߋޙ ΞϓϦ

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มߋલ มߋޙ ΞϓϦ

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มߋޙ ΞϓϦ

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ϦϑΝΫλϦϯά %#ͷػೳΛ͏·͘׆༻͢Δ

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͋͐͡Μͩ ̍ɹࣗݾ঺հ ̎ɹσʔλϕʔεͷෆ٢ͳष͍ ̏ɹઓ͏ͨΊͷࣄલ४උ ̐ɹDBϦϑΝΫλϦϯά ̑ɹ·ͱΊ

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·ͱΊ σʔλϕʔε͸ੜ͖෺

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·ͱΊ σʔλϕʔε͸ੜ͖෺ ↓ ఆظతͳϝϯςφϯε͸ඞਢ

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·ͱΊ ໰୊͸খ͍͞͏ͪʹ௚͢

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·ͱΊ ໰୊͸খ͍͞͏ͪʹ௚͢ ↓ DBͷ੒௕ͱڞʹ໰୊΋ංେԽ͢Δ

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·ͱΊ πʔϧ΍DBͷػೳΛ׆༻͢Δ

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·ͱΊ πʔϧ΍DBͷػೳΛ׆༻͢Δ ↓ DBϚΠάϨʔγϣϯ΍Ծ૝ྻͳͲ ઓ͏ͨΊͷಓ۩΋೔ʑਐԽ͍ͯ͠Δ

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·ͱΊ

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·ͱΊ

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·ͱΊ Ұ౓࡞ͬͨ%#͸ফͤͳ͍

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·ͱΊ Ұ౓࡞ͬͨ%#͸ফͤͳ͍ ˣ ઃܭ͕େࣄ

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·ͱΊ पғͷܦݧஊ͔ΒֶͿ

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·ͱΊ पғͷܦݧஊ͔ΒֶͿ ˣ ੵۃతʹίϛϡχςΟΛར༻͢Δ

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