Isnull with convert in sql server w3schools The SQL Server ISNULL() function lets you return an alternative value when an expression is NULL: SELECT ProductName, UnitPrice * (UnitsInStock + ISNULL(UnitsOnOrder, 0)) FROM Products; See full list on sqlservertutorial. In most cases this check_expression parameter is a simple column value but can be a literal value or any valid SQL expression. net CONVERT: Converts a value (of any type) into a specified datatype: CURRENT_USER: Returns the name of the current user in the SQL Server database: IIF: Returns a value if a condition is TRUE, or another value if a condition is FALSE: ISNULL: Return a specified value if the expression is NULL, otherwise return the expression: ISNUMERIC Mar 18, 2021 ยท SQL Server ISNULL Syntax. CONVERT: Converts a value (of any type) into a specified datatype: CURRENT_USER: Returns the name of the current user in the SQL Server database: IIF: Returns a value if a condition is TRUE, or another value if a condition is FALSE: ISNULL: Return a specified value if the expression is NULL, otherwise return the expression: ISNUMERIC. The first argument is the expression to be checked. The syntax for the ISNULL() function is very straightforward. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. qwxx kntfqrur unul hca lzuuymh jnnfhzn bzc ocsaxv spc rkd