The standard way to check if procedure exists is
if exists(
SELECT * FROM INFORMATION_SCHEMA.ROUTINES
WHERE routine_type = N'PROCEDURE' and routine_name = @procname)
print 'exists'
Starting with MSSQL 2005 you can use DDL trigger to send email notification when procedure is dropped or created:
USE msdb
GO
CREATE TABLE ddl_log
(ID int idenity(1,1) PRIMARY KEY CLUSTERED,
PostTime datetime,
DB_User nvarchar(100),
Event nvarchar(100),
TSQL nvarchar(2000));
CREATE TRIGGER DDL_Notify
ON DATABASE
FOR DROP_PROCEDURE, CREATE_PROCEDURE
AS
DECLARE @data XML,
@tableHTML NVARCHAR(MAX) ;
SET @data = EVENTDATA()
INSERT msdb.dbo.ddl_log (PostTime, DB_User, Event, TSQL)
VALUES (GETDATE(), CONVERT(nvarchar(100), USER_NAME()),
@data.value('(/EVENT_INSTANCE/EventType)[1]', 'nvarchar(100)'),
@data.value('(/EVENT_INSTANCE/TSQLCommand)[1]', 'nvarchar(2000)') ) ;
SET @tableHTML =
N'<H1>DDL Table Event</H1>' +
N'<table border="1">' +
N'<tr><th>Post Time</th><th>User</th>' +
N'<th>TSQL</th><th></tr>' +
CAST ( ( SELECT td = PostTime, '',
td = DB_User, '',
td = TSQL, ''
FROM msdb.dbo.ddl_log
WHERE id = (select max(id) from msdb.dbo.ddl_log)
FOR XML PATH('tr'), TYPE
) AS NVARCHAR(MAX) ) +
N'</table>';
EXEC msdb.dbo.sp_send_dbmail
@profile_name = 'Default',
@recipients = '[email protected]',
@subject = 'DDL Table Event',
@body = @tableHTML,
@body_format = 'HTML'