Verify database alias and password

Dear Sir,
I am writing a DB manager to allow user to create a new database with schema name and password.
Is there any program to check if the input string is a valid schema name or a valid password string ?
I am not sure about the rules for oracle, where to get the formation for schema name and password?
e.g. maximum number of characters of passwrod / schema name,
beginning with alpha character,
do not contain illegal character set, ?
Many Thanks
Xueliang

User creation follows same rules for schema object names and qualifiers : http://download-east.oracle.com/docs/cd/B14117_01/server.101/b10759/sql_elements008.htm
If you want to define your own password management policy, you can create your own plsql password verifier, which is documented here: http://download-west.oracle.com/docs/cd/B19306_01/network.102/b14266/policies.htm#i1006575
~ Madrid.

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Hello,
for Networking configuration questions better ask in
http://social.technet.microsoft.com/Forums/windowsserver/en-US/home#forum=winserverNIS&filter=alltypes&sort=lastpostdesc&content=Search
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Disclaimer: This posting is provided AS IS with no warranties or guarantees and confers no rights.
Twitter:

I can't log onto facetime on my mac. My apple ID and password is correct and it is working on my ipad/iphone. My facetime preferences is grayed out and I keep having to turn facetime on. My screen gets stuck on signing in or verifying.

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Verify database alias and password

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