Analysis of 6,008 Database Schemas Reveals 45% of Foreign Keys Lack Indexes
A study of 6,008 database schemas shows 45% of foreign keys are unindexed, highlighting critical performance issues for engineers.
An analysis of 6,008 database schemas found that 45% of foreign keys are not indexed. This can significantly impact database performance, particularly in systems like PostgreSQL and SQLite, where lack of indexing forces the database to scan entire tables during delete or update operations.
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