sql drop procedure if exists

--whether the database existsIF exists(SELECT * fromMaster.. sysdatabasesWHEREName=N'Library name')PRINT 'exists'ELSE PRINT 'Not exists'-----------------determine if the name of the table to be created existsIF exists(SELECT *

--Maintenance Database----Stored procedure (procedure)----Overview： 　　 A stored procedure for SQl serve is a collection of one or more T-SQL statements。 Common program code Snippets are often created as stored procedures that create multiple

From http://c21.cnblogs.com/archive/2006/05/08/393779.htmlConcept of Stored Procedure SQL Server provides a method to centralize some fixed operations by the SQL Server database Server to implement a task. This method is a stored procedure. A stored

SQL determines whether a stored procedure exists 1 Determine if the database tutorial existsSQL codeif exists (SELECT * from sys.databases WHERE name = ' database name ')drop database [database name] if exists (SELECT * from sys.databases WHERE

Original: SQL Server 2016 new feature: DROP IF EXISTS??When we write T-SQL to delete an object (table, stored procedure, etc.), it is customary to use the IF statement to determine whether the object exists and then drop it, for example:Old

server| Create | Stored procedure stored procedures can make it much easier to manage the database and to display information about the database and its users. Stored procedures are precompiled collections of SQL statements and optional control flow

I. Problems Encountered We have written a lot of batch processing statements in our previous courses. These batch processing statements have two problems: 1. Unable to pass parameters like functions (custom) 2. It cannot be called repeatedly like a

1 determining whether a database existsSQL codeif exists (SELECT * from sys.databases WHERE name = ' database name ')drop database [DB name] if exists (SELECT * from sys.databases WHERE name = ' database name ')drop database [DB name]2 Determining

-- determine if the database existsIF EXISTS (SELECT * from MASTER.sys.sysdatabases WHERE name = ' library name ')PRINT ' exists 'ElsePRINT ' NOT EXISTS '-- determine if the name of the table to be created existsIF EXISTS (Select * from sysObjects

I used to hear from others about the stored procedure at work. I thought it was a very advanced thing. I used my spare time to read the relevant knowledge. now I will summarize my learning knowledge as follows, I hope to provide some help to people