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3 results for “coalesce”.

Functions 1

COALESCE() Conditional & NULL · MySQL, PostgreSQL, SQL Server, SQLite Returns the first non-NULL value from a list.

Interview questions 1

What is the difference between COALESCE and ISNULL? Intermediate SQL Interview Questions

Blog posts 1

SQL NULL Values Explained SQL Tips SQL NULL values explained: what NULL means, three-valued logic, testing with IS NULL, how NULL affects joins and aggregates, and COALESCE, IFNULL and NULLIF.