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Concept guides/Correctness review/Database bugs in code

CodingCorrectness review

Database bugs in code

Medium3 min read

Questions it teaches

Paid orders summary for the finance dashboardEasy10 min Recent active orders on the account pageEasy10 min Transaction crash recoveryEasy16 min Checkpoint dirty pagesEasy14 min Transaction isolation conflictsEasy18 min Coupon lookup builds SQL from the typed codeEasy10 min Detect SQL injection patternsMedium18 min Atomic increment interleaving simulatorMedium25 min

Related

Correctness review Arrays and strings Error handling Performance review Security review Reviewing AI code Concurrency

Builds on: Arrays and strings

Arrays & in-place tricks3 min Hash maps & sets3 min

Leads to: Error handling

Error handling & resilience3 min Blocking accept with no timeout4 min

Leads to: Performance review

Performance bugs3 min SQL query performance4 min

Leads to: Security review

Security vulnerabilities3 min Hardcoded secrets3 min

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