Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
【社内勉強会用】SQLアンチパターン / SQL Antipatterns study
Search
VTRyo
April 12, 2020
Programming
2.9k
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
【社内勉強会用】SQLアンチパターン / SQL Antipatterns study
2020/4/13 第5章 エンティティ・アトリビュート・バリュー
VTRyo
April 12, 2020
More Decks by VTRyo
See All by VTRyo
ほんとうの信頼性はヒーローが死んでからはじまる / True reliability begins after the hero dies
vtryo
0
56
越境するなら専門用語を使うな高校校歌 / If you wanna cross border, you shouldn't use jargon
vtryo
0
150
なぜ私たちのSREプラクティスはなかなか機能しないのか 〜システムより先に組織を見る〜 / Why our SRE practices aren't really working
vtryo
4
6.2k
飲食店もAIで。レジ締めやハンディシステムをつくってる話 / Using AI for restaurant management
vtryo
0
320
そのSLO 99.9%、本当に必要ですか? 〜優先度付きSLOによる責任共有の設計思想〜 / Is that 99.9% SLO really necessary? Design philosophy of shared responsibility through prioritized SLOs
vtryo
2
4.2k
あの職員室 / That teachers' lounge
vtryo
0
180
自分だけの、誰も想像できないキャリアの育て方 〜偶然から始めるキャリアプラン〜 / Career planning starting by luckly v2
vtryo
1
580
60以上のプロダクトを持つ組織における開発者体験向上への取り組み - チームAPIとBackstageで構築する組織の可視化基盤 - / sre next 2025 Efforts to Improve Developer Experience in an Organization with Over 60 Products
vtryo
3
3.3k
一体いつからSRE NEXTがSREだけのカンファレンスだと錯覚していた? / When did you ever get the idea that SRE NEXT was a conference just for SREs?
vtryo
1
930
Other Decks in Programming
See All in Programming
スマートフォンでモールス信号を送受信する 〜スマートフォンのLEDとカメラで作る光通信の設計と実装〜
atsuki_seo
0
150
thread_parallel_with_free-threaded_Python_and_NumPy.pdf
riku_sakamoto
0
350
WebMCP Challenge に星空観察アプリで参加した話
okajun35
0
180
スマート反転とウェブアクセシビリティ
camiha
0
210
マイコン向けの軽量Ruby「PicoRuby」で各種デバイスを制御するネイティブアプリの実現手法
bash0c7
0
420
setup-vp GitLab対応の裏側
naokihaba
0
110
Augmenting AI with the Power of Jakarta EE
ivargrimstad
0
210
What We Talk About When We Talk About XP
m_seki
2
660
Are APIs Still Relevant in the AI Era?
soyuka
0
270
技術的負債の返済は、AI時代の複利で効く投資 — 経営としての意思決定とその遂行
curekoshimizu
0
1.5k
ゲームコントローラやキーボードのファームウェアをSwiftで書く
kishikawakatsumi
1
250
Augmenting AI with the Power of Jakarta EE
ivargrimstad
0
190
Featured
See All Featured
HTML-Aware ERB: The Path to Reactive Rendering @ RubyCon 2026, Rimini, Italy
marcoroth
5
690
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
38
3k
Highjacked: Video Game Concept Design
rkendrick25
PRO
1
460
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
inesmontani
PRO
3
2.4k
A Guide to Academic Writing Using Generative AI - A Workshop
ks91
PRO
1
470
Avoiding the “Bad Training, Faster” Trap in the Age of AI
tmiket
0
240
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
17k
Fashionably flexible responsive web design (full day workshop)
malarkey
409
67k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
123
22k
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
580
Design in an AI World
tapps
1
320
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
287
14k
Transcript
d753ZPQSFTFOUBUJPO NBTUFS WUSZPDUMEFTDSJCFQSFTFOUBUJPO d753ZPQSFTFOUBUJPO NBTUFS QSFTFOUBUJPOTUBSUFE 42-Ξϯνύλʔϯ ୈষ ΤϯςΟςΟɾΞτϦϏϡʔτɾόϦϡʔ ʢ˞ࣾษڧձൃදࢿྉʣ
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ˞ҙ w ຊࢿྉࣾษڧձͷ՝Ͱ࡞ͨ͠ͷͰ͢ w l42-ΞϯνύλʔϯzΛࢀߟʹ࡞͍ͯ͠·͢ w ͡ΊͯຊॻΛಡΜͰ͍·͢
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW &"7ͱ w ΤϯςΟςΟɾΞτϦϏϡʔτɾόϦϡʔ ʢఆٛରʣɹɹɹʢଐੑʣɹɹʢʣ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW Ξϯνύλʔϯߏ Α͘ݟͨΒ ϯνύλʔϯʹͳͬͯ·ͨ͠ ൚༻తͳଐੑςʔϒϧΛ༻ͪ͠Ό͏ ଐੑΛߦʹ֨ೲͪ͠Ό͏ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ଐੑऔಘ͢Δʹ ΫΤϦ͕ෳࡶʹͳΔ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ඞਢଐੑΛઃఆͰ͖ͳ͍ /05/6--੍Λએݴ͢Δ͚ͩͰ ຊΑ͔ͬͨͷʹʜ ଐੑ͕ ߦʹ֨ೲ͞Ε͍ͯΔ BUUS@OBNFྻʹEBUF@SFQPSUFE͕ೖ͍ͬͯΔߦΛ JTTVF@JE͝ͱʹଘࡏͤ͞Δ੍͕Ϝζ͍
ผʹ·ͱΊͯϨϙʔτΛ࡞Γ͍ͨ ˠʮEBUF@SFQPSUFEͰूܭ͠Αʯ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW σʔλܕΛ͑ͳ͍ %"5&ܕͰྻΛఆٛ͢Ε͍͍ ͚ͩͳͷʹʜ σʔλܕ ͕จࣈྻ ݸผͷBUUS@WBMVFྻΛఆٛ͢Δ͜ͱ͋Δ͕ʜ ΫΤϦෳࡶԽ͢Δ
ผʹ·ͱΊͯϨϙʔτΛ࡞Γ͍ͨ ˠʮEBUF@SFQPSUFEͰूܭ͠Αʯ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ࢀর߹ੑͷڧ੍ෆՄ '03&*(/,&: TUBUVT 3&'&3&/$&4#VH4UBUVT TUBUVT
Ͱ͍͍ͷʹʜ શߦʹ ద༻͞Εͯ͠·͏ '03&*(/,&: BUUS@WBMVF 3&'&3&/$&4#VH4UBUVT TUBUVT TUBUVTଐੑͷ#VH4UBUVTςʔϒϧ͕ ֨ೲ͍ͯ͠Δʹ͍ͨ͠ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW *TTVFΛҰߦͰऔಘ ɾ࠶ߏங͕ඞཁ ɾଐੑ૿Ճʹ݁߹ͷ૿Ճ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ͏Ξϯνύλʔϯ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ΞϯνύλʔϯͰ͍͍ྫ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW &"7Λճආ͠Α͏ ̍ɽͻͱͭͷςʔϒϧʹ αϒλΠϓΛશ෦ೖΕΔ ̎ɽαϒλΠϓ͝ͱʹ ςʔϒϧΛ࡞͢Δ ̏ɽςʔϒϧΛΦϒδΣΫτࢦͷ ΫϥεʹݟཱͯͯܧঝΛ฿͢Δ
̐ɽ9.-+40/ܗࣜͰଐੑɾ Λڞʹ֨ೲ͢Δ దͳঢ়گͰͲΕ͔Λબͯ͜͠͏ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ̍ɽγϯάϧςʔϒϧܧঝ w શͯͷଐੑΛ*TTVFͷݸผྻͱͯ֨͠ೲ͢Δ w "DUJWF3FDPSEͱ૬ੑΑ͖ w αϒλΠϓͷগͳ͍ͱ͖ʹ༗ޮ
Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ̎ɽ۩ςʔϒϧܧঝ w #VHTςʔϒϧɺ'FBUVSF3FRVFTUTςʔϒϧͳͲαϒλΠ ϓ͝ͱʹ࡞͢Δ w ڞ௨͢ΔଐੑͱݸผͷଐੑΛ࣋ͭ w
ͯ͢ͷαϒλΠϓΛ·͍ͨͩݕࡧ͕গͳ͍ͱ͖༗ޮ w αϒλΠϓ͕ผςʔϒϧʹ͋ΓෳࡶԽ͢ΔͨΊ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ̏ɽΫϥεςʔϒϧܧঝ w ͯ͢ͷαϒλΠϓʹڞ௨͢ΔଐੑΛؚΉجఈςʔϒϧ ʢ*TTVFʣΛ࡞Δ w *TTVFςʔϒϧɺ#VHTςʔϒϧɺ'FBUVSF3FRVFTUT ςʔϒϧʹJTTVF@JEΛઃఆ͢Δ
w ͯ͢ͷαϒλΠϓʹڞ௨͢ΔྻΛࢀর͢ΔΫΤϦ͕ස ൟʹ࣮ߦ͞ΕΔͱ͖ʹ༗ޮ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ̐ɽߏԽςʔϒϧ w සൟʹଐੑΛՃ͢Δέʔε-0#ܕʢ-BSHF0CKFDUʣ ΛՃ͠+40/ͳͲͷܗࣜͰ֨ೲ͢Δ w ͲΜͳଐੑͰ֨ೲͰ͖ΔͷͰ֦ுੑ͕ߴ͍ w
ಛఆͷଐੑʹΞΫηε͢Δखஈ͕ͳ͘ɺΞϓϦέʔγϣϯ ίʔυͰղ͢Δඞཁ͕͋Δܽ w αϒλΠϓͷ੍͕ݶͰ͖ͳ͍ɺଐੑఆٛͷॊೈੑ͕ඞཁ ͳ߹ʹ༗ޮ Q
d753ZPQSFTFOUBUJPO NBTUFS 5XJUUFS!T@IW ·ͱΊ w 42-ɺҟͳΔଐੑҟͳΔྻʹ֨ೲ͢Δํ๏ཱ͕֬͞ Ε͍ͯΔ w &"7ͷ࠾༻ɺଐੑΛࣝผ͢ΔͨΊͷ৽ͨͳํ๏Λ42- ্ʹߏங͢Δ͜ͱΛҙຯ͢Δ
w ʮϝλσʔλɺϝλσʔλͷͨΊʹ༻͍·͠ΐ͏ʯ Q
d753ZPQSFTFOUBUJPO NBTUFS WUSZPDUMEFTDSJCFQSFTFOUBUJPO d753ZPQSFTFOUBUJPO NBTUFS QSFTFOUBUJPOTUBSUFE 42-Ξϯνύλʔϯ ୈষ ΤϯςΟςΟɾΞτϦϏϡʔτɾόϦϡʔ ʢ˞ࣾษڧձൃදࢿྉʣ