Solution : https://service.sap.com/sap/support/notes/151603 (SAP Service marketplace login required)
Summary : 
      This SAP Note outlines the process for copying an SQL Server database within a homogeneous system copy, applicable to SAP systems utilizing SAP databases such from modules like BW and CRM. It details system copy procedures using SQL Server stored procedures sp_detach_db, sp_attach_db, or the 'CREATE DATABASE FOR ATTACH' command. A structured process from preparation, file structure analysis, creating directory structures, detaching, and reattaching databases ensures integrity and minimal disruption. The instructions require adherence to version compatibilities and prerequisite configurations for the SQL Server and SAP system. For database upgrades across different SQL Server versions, corresponding precautions and steps are specified to manage database file versions and ensure system functionality post-migration.
Key words : 
<sapsid>gosetuser '<sid>'gotruncate  table  sdbaptruncate  table  sdbarnon-schema system, truncate  table  sap_perfsampletruncate  table  sap_perfinfotruncate  table  sap_perfvali, <sapsid>truncate  table  sdbaptruncate  table  sdbarthen create, <sapsid>gosetuser '<sid>'goexec sap_droprocnon-schema system, <sapsid>gosetuser '<sid>'gotruncate  table  sap_perfhist, <sapsid>goexec sap_droprocthese commands delete, permanent stored procedurescall transaction se38, <sapsid>truncate  table  sap_perfhist, delivered sap installation master dvd, alter database  tempdb  modify  file
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