You should only use one Apple ID and stick with it since anything you buy with it cannot be transferred to a different account. How you "correct" information depends upon what it was you need to change.
Click on this link to read what to do "If you forgot your Apple ID" --> https://support.apple.com/HT201354
Click on this link to read what to do "If you forgot your Apple ID password" --> https://support.apple.com/HT201487
or go directly to this link --> http://iforgot.apple.com/
Also read about "What to do after [or before] you change your Apple ID email address or password" - https://support.apple.com/HT204071
If you still need help:
Contact Apple for help with Apple ID account security "This article provides country-specific Apple Support contact information for customers seeking help with their Apple ID password or other security-related issues."
https://support.apple.com/HT204169
Go to this link to change information in your Apple ID like your address or birth date - https://appleid.apple.com/