bhatti/db_isolation.md

Created September 20, 2025 17:00

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db_isolation.md

Database	Default Isolation	Financial Safety
PostgreSQL	READ COMMITTED	❌ Vulnerable
MySQL	REPEATABLE READ	⚠️ Better but not perfect
Oracle	READ COMMITTED	❌ Vulnerable
SQL Server	READ COMMITTED	❌ Vulnerable
H2/HSQLDB	READ COMMITTED	❌ Vulnerable

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