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If you want to use the SQL ISO standard INFORMATION_SCHEMA and not the SQL Server-specific sysobjects, you can do this: IF EXISTS ( SELECT ROUTINE_NAME FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_NAME = N'FunctionName' ) DROP FUNCTION [dbo].[FunctionName] GO
3 Σεπ 2024 · Removes one or more user-defined functions from the current database. User-defined functions are created by using CREATE FUNCTION and modified by using ALTER FUNCTION . The DROP function supports natively compiled, scalar user-defined functions.
To remove an existing user-defined function created by the CREATE FUNCTION statement, you use the DROP FUNCTION statement as follows: DROP FUNCTION [ IF EXISTS] [ schema_name. ] function_name; Code language: SQL (Structured Query Language) (sql) In this syntax: IF EXISTS. The IF EXISTS option allows you to drop the function only if it exists ...
18 Νοε 2022 · You can delete (drop) user-defined functions in SQL Server by using SQL Server Management Studio or Transact-SQL. Limitations and restrictions.
22 Αυγ 2016 · Create new database object. The new DROP IF EXISTS syntax replaces the old block of code that used system catalog views to determine the existence of an object. Basically, the new syntax combines steps one and two into a smaller set of code to produce the same results.
27 Νοε 2020 · SQL Server 2016 has released an optional IF EXISTS clause with DROP statement that can be used as DROP IF EXISTS. DROP IF EXITS verify if an object exists then drops an existing object and recreate an object else continues executing specified T-SQL code.
The SQL DROP DATABASE Statement. The DROP DATABASE statement is used to drop an existing SQL database. Syntax. DROP DATABASE databasename; Note: Be careful before dropping a database. Deleting a database will result in loss of complete information stored in the database! DROP DATABASE Example.
