What does LATERAL (or CROSS APPLY in SQL Server) allow in a FROM clause?

SQL Data Analyst Hard

SQL Data Analyst — Hard

What does LATERAL (or CROSS APPLY in SQL Server) allow in a FROM clause?

Key points

  • LATERAL/CROSS APPLY enables correlated subqueries
  • Helps in accessing columns from previous tables
  • Improves query performance by avoiding redundant joins
  • Facilitates complex data retrieval scenarios

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