How to Use SQL Server Coalesce to Work with NULL Values

Using the SQL Coalesce function in SQL Server

Uso de la función SQL coalesce en el SQL Server

Coalesce in SQL: How to Use Coalesce() Function

Querying data using the SQL Coalesce function

Working with SQL NULL values

SQL Server SET Options that Affect the Query Result – SET CONCAT_NULL_YIELDS_NULL, SET NUMERIC_ROUNDABORT, SET QUOTED_IDENTIFIER, SET NOCOUNT, SET XACT_ABORT

Constraints in SQL Server: SQL NOT NULL, UNIQUE and SQL PRIMARY KEY