CloudInfoQabout 3 hours ago
AWS Adds Foreign Keys to Aurora DSQL
3 min read
AWS announced that Aurora DSQL now supports foreign key constraints, including CASCADE and SET NULL, closing a gap users called an adoption blocker. The serverless PostgreSQL-compatible database enforces referential integrity via snapshot verification and commit-time conflict detection without locking tables. Applications must implement retry logic because conflicting transactions fail with serialization errors rather than waiting.
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