Doubt Oracle 11G Installation

[Shakall]

Galera I just installed Oracle 11g on my machine, the installation occurred without problems, now I'm trying to concet the PS SQL or SQL Developer but I'm not holding. SQL Developer says

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Status: Failure - Test failed: ORA-28009: connection as SYS shoulb be as SYSDBA or SYSOPER

I am using the password that registered at the beginning of the installation, I have tried TB with the user sysdba ai the message changes that username or incorrect password.

already in PL SQL it from an error of

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Initialization error, Could not load C:\Oracle\product\11.1.0\db_1\bin\aci.dll , OracleHomeKey: SOFTWARE\ORACLKEY_OraDb11g_home1, OracleHomeDir: C:\Oracle\product\11.1.0\db_1 , Found: oci.dll, Using: C:\Oracle\product\11.1.0\db_1\bin\oci.dll) returnd 0

and tb I can not access it, someone can give me a tip of how Connect one of these programs in Oracle 11G?

Thanks!

[Shakall]

SQL Developer I was able to make it work on the user name I put sysdba sysdba and it worked so it entered, now I need to solve the problem of the pl sql.

[dr_gori]

Already in PL SQL it is an error

Do you mean PL / SQL Developer? (The Allround Automations tool?)

[Shakall]

These same !!!

[ruevers]

Ow ,,,

I find the following, almost certain that this tool is not approved for Oracle 11, if you install another Oracle (up to a client) can be from a smaller version ... 9 , for example, will work.