Explain the difference between optimistic and pessimistic locki... | Filo
Explain the difference between optimistic and pessimistic locki... …
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Fullstack Gada on Instagram: "💭 Optimistic vs Pessimistic Locking🔒 Learn how databases avoid conflicts when multiple users try to update the same data. #database #databasedesign #systemdesign #sqldeveloper #dataanalysis #mongodb #optimisticlocking #dbms #rdbms #pessimisticlocking #sql #developerslife #backenddeveloper #softwareengineering #sqldatabase #devlife #jethala #jethababita #fullstackgada"
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it’s easier to be detached than attached tbh 🤷🏽‍♀️ #foryoupage #sunset #bestfriend #scared #dontleaveme
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Dhruv Singhal on Instagram: "Pessimistic vs Optimistic Locking. Follow @dhruvtechbytes #codinglife #systemdesign #engineers #developers #softwareengineering [coding, system design, interview, developers, software engineer, coders, java]"
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We’ve continually seen net options sentiment for the SPY and QQQ stay stuck at pessimistic levels throughout 2026, with SPY spending nearly the entire year sitting near the absolute bottom. So what’s going on? It’s not that Wall Street suddenly thinks the market is collapsing tomorrow. It’s that institutions have made enormous gains over the past multi year bull run, and now they’re doing what smart money always does after a huge stretch of upside. They’re locking it in. Funds are aggressively h
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We’ve continually seen net options sentiment for the SPY and QQQ st…
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Upasana Singh on Instagram: "LOCKING 🔒 — the topic interviewers never stop asking You can solve 500 DSA problems. But if you don’t understand locking, you’ll struggle in real backend interviews. Because real systems are concurrent. Multiple users. Multiple threads. Multiple services. Same data. That’s where locking comes in. 🔹 Pessimistic Locking → “Assume conflict will happen” → Lock first, then operate → SELECT FOR UPDATE, row & table locks 🔹 Optimistic Locking → “Assume conflict is rare” →
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