The syntax to a drop a function in SQL Server (Transact- SQL ) is: DROP FUNCTION function_name; function_name. The name of the function that you wish to drop . In this regard, how do I delete a function in SQL Server? Right-click the function you want to delete and select Delete . To delete a user-defined function Table-valued Function. Scalar-valued Function. Aggregate Function. what is the purpose of the IF drop statements? The DROP TABLE statement deletes the specified table, and any data associated with it, from the database. The IF EXISTS clause allows the statement to succeed even if the specified tables does not exist. If the table does not exist and you do not include the IF EXISTS clause, the statement will return an error. Also question is, how do you write a function in SQL query? Define the CREATE FUNCTION (scalar) statement: Specify a name for the function. Specify a name and data type for each input parameter. Specify the RETURNS keywor...