How to rename datafiles in Oracle 11g

[Problem]  I want to rename datafile E:\ORACLE\VNPT\DATAFILE\O1_MF_EXAMPLE_CVNONK37_.DBF to E:\ORACLE\VNPT\DATAFILE\EXAMPLE.DBF [FIX] D:\Users\Administrator>sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0 Production on Mon Aug 22 09:48:56 2016 Copyright...

How to fix "This installation package could not be opened..."

Describe: FIXED: Step 1: Start / Run / regedit Step 2: Browse to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem Step 3: Find Dword NtfsDisable8dot3NameCreation and Win31FileSystem Step 4: Modify them to 0 Step...