Lukas Eder • 2/16/2024

An Efficient Way to Check for Existence of Multiple Values in SQL

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This technical article compares SQL queries for checking the existence of at least N rows, advocating for a LIMIT clause within a derived table over a full COUNT(*). It provides detailed execution plan analysis and performance benchmarks for PostgreSQL, demonstrating the efficiency gains of the proposed method.

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#performance #sql #Query Optimization
An Efficient Way to Check for Existence of Multiple Values in SQL

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