How to Remove all Triggers from sql server

-- drop all user defined triggers
Declare @trgName varchar(500)
Declare cur Cursor For Select [name] From sys.objects where type = 'tr'
Open cur
Fetch Next From cur Into @trgName
While @@fetch_status = 0
Begin
 Exec('drop trigger ' + @trgName)
 Fetch Next From cur Into @trgName
End
Close cur
Deallocate cur 

How to Remove all stored procedures from sql server

-- drop all user defined stored procedures
Declare @procName varchar(500)
Declare cur Cursor For Select [name] From sys.objects where type = 'p'
Open cur
Fetch Next From cur Into @procName
While @@fetch_status = 0
Begin
 Exec('drop procedure ' + @procName)
 Fetch Next From cur Into @procName
End
Close cur
Deallocate cur 

How to Remove all Views from sql server

 -- drop all user defined views
Declare @viewName varchar(500)
Declare cur Cursor For Select [name] From sys.objects where type = 'v'
Open cur
Fetch Next From cur Into @viewName
While @@fetch_status = 0
Begin
 Exec('drop view ' + @viewName)
 Fetch Next From cur Into @viewName
End
Close cur
Deallocate cur 

How to delete/drop all the tables from SQL Server

EXEC sp_MSforeachtable @command1 = "DROP TABLE ?"

this is a hidden SP in sql server, this will be executed for each table in the database you connected