CREATE DATABASE st_ccerpkz
ON
(
NAME = 'ccerp_ydswzip_data',
FILENAME = 'd:\database\st_ccerpkz.mdf'
) AS SNAPSHOT OF st_ccerp
CREATE DATABASE st_ccerpkz
ON
(
NAME = 'ccerp_ydswzip_data',
FILENAME = 'd:\database\st_ccerpkz.mdf'
) AS SNAPSHOT OF st_ccerp
https://stackoverflow.com/questions/419163/what-does-if-name-main-do