Delete all data from database in SQL SERVER

EXEC sp_MSForEachTable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL'
 EXEC sp_MSForEachTable 'ALTER TABLE ? DISABLE TRIGGER ALL'
 EXEC sp_MSForEachTable 'DELETE FROM ?'
 EXEC sp_MSForEachTable 'ALTER TABLE ? CHECK CONSTRAINT ALL'
  EXEC sp_MSForEachTable 'ALTER TABLE ? ENABLE TRIGGER ALL'
  EXEC sp_MSFOREACHTABLE 'SELECT * FROM ?'