Unfortunately, If you are forgotten the Apex Admin password on oracle server. We can be reset it again with new password,

This post describe about Oracle basic commands like, login, User password reset, User access lock and Unlock and others.

Have updated some configuration in Oracle server, Once its done just tried to restart Oracle Server. Shows an error when start SQL server using startup command,

OCI8 extension is very useful for access Oracle databases. This can be linked with Oracle client libraries.

When you start up your database oracle 11g R2 shows the error MEMORY TARGET not supported on this system because of tried to use Automatic Memory Management.

By default the database log mode set to NOARCHIVELOG if you have installed oracle through the Typical installation. We can also change to Archive mode log.

We have already discussed about Oracle 11G version installation steps, this post describes how to give remote access to Oracle 11.2g,