How to start a database by copying the files(tablespace, redo, ctl files)

Hi,
I have two databases called Q1 and Q2. I am planning to copy from a cold backup files from Q1 to Q2 database.
could anybody will provide the steps involved in how to copy from one database to another and how to rename the target database after copying and renaming the files in the target database to up and run?
Please help.
Thank you.

For Oracle version from 9i the steps are :
Perform Cold Backup of the Production database
1. Note down the datafile, controlfile and redologfile locations on proddb
2. Shutdown the production database Ensure clean shutdown.
3. Copy the database files (datafiles, logfiles, controlfiles and parameter file) into the clone destination.
4. Modify the parameter CONTROL_FILES in the pfile for clonedb to reflect
the new path of the control files.
1. Mount the database and rename the datafiles and redolog files.
export ORACLE_SID=clonedb
DB02> sqlplus / as sysdba
DB02> startup mount
DB02> alter database rename file '/u01/<path_to_proddb_files>/<filename>' to '/u01/<path_to_clonedb_files>/<filename>'
2. Rename the database with the dbnewid (nid) utility
3. Edit the pfile and update the new database name
Modify parameter DB_NAME to reflect the new database name.
also ensure you make necessary changes to the environment for ORACLE_SID, ORACLE_HOME
as needed.
4. Open the clone database.

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How to start a database by copying the files(tablespace, redo, ctl files)

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