ORA-01017: invalid username/password; logon denied

Posted on by Ahmed Abdel Fattah

I have a virtual machine with Oracle Database 19c installed. I downloaded this machine from Oracle. {If you are interested, you can download it from the following url: https://www.oracle.com/downloads/developer-vm/community-downloads.html } I started the virtual machine, login as oracle user, and ensured that the environment is set correctly: Then, I tried to login to the database … Continue reading ORA-01017: invalid username/password; logon denied

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Alter Pluggable Database Open – (ORA-00604/ORA-01405) After Apex Installation

Posted on by Ahmed Abdel Fattah

While trying to open one pluggable database, I got the following errors: Background: While installing Apex 20.1 in one PDB, and while being very close to the installation completion, the session fully stucked.I restarted the database (the CDB), then I tried to open the PDB, but I got the above errors. While searching for this … Continue reading Alter Pluggable Database Open – (ORA-00604/ORA-01405) After Apex Installation

How to Create Autonomous Datawarehouse Database (Always Free Services)?

Posted on by Ahmed Abdel Fattah

https://www.youtube.com/watch?v=nOJowoCyw7Y ThanksAhmed

Oracle 12.2 Database Creation

Posted on by Ahmed Abdel Fattah

This post is just a screen cast for the process of creating a new container database with two PDBs in Oracle version 12.2. Login to the database server, set the ORACLE_HOME , PATH and DISPLAY , then run the Database Configuration Assistant "dbca" as oracle user: Check the listener status and ensure that the newly … Continue reading Oracle 12.2 Database Creation