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Tpoint Tech Blog @TpointTechblog a adăugat un sunet in Education & Learning
2025-09-05 08:57:21 ·

Mastering COALESCE in SQL: Handle NULL Values Easily

The COALESCE SQL function is a powerful tool used to handle NULL values in queries. It returns the first non-NULL value from a list of expressions, making data handling more efficient and reliable. With COALESCE, you can set default values, ensure cleaner results, and simplify conditional logic in SQL statements. This function is widely used in reporting, data analysis, and database...

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