SQL - Lateral Join / CROSS APPLY
• Lateral joins (PostgreSQL) and CROSS APPLY (SQL Server) enable correlated subqueries in the FROM clause, allowing each row from the left table to pass parameters to the right-side table expression
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How to Use LATERAL JOIN in PostgreSQL
LATERAL JOIN is PostgreSQL’s solution to a fundamental limitation in SQL: standard subqueries in the FROM clause cannot reference columns from other tables in the same FROM list. This restriction…
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