Is null sql server ejemplos That is, it accepts two expressions. You may also visit my article, Difference Between Delete, Truncate, And Drop Statements In SQL Server. Solo muestra los datos de los clientes que no tienen país en la base de datos. Replacement: We want to replace the NULL with a specific value, mean replacement is the value to be returned if the expression is NULL. Ejemplos de uso en consultas SQL. Feb 23, 2023 · In SQL Server, the ISNULL function is used to replace NULL values with a specified replacement value. That’s because the first argument is null, and so it progressed to the second argument (which also resolves to null). En el ejemplo obtenemos un número Int cuyo valor es un 2. Price , p. 0000000000 Query: declare @ast varchar(10) Mar 15, 2013 · Consider the following statements (which is BTW illegal in SQL Server T-SQL but is valid in My-SQL, however this is what ANSI defines for null, and can be verified even in SQL Server by using case statements etc.