oracle 12c

let us find out the database health status by using following sql command. Check whether the Oracle Process run or not#> ps -ef | grep pmon If no pmon detected, your database might be down Check the instance status SQL>select instance_name, status from v$instance; Check whether the database can be read or write SQL>select name, […]

We cannot change the sys and system password in usual way as like till 11g. we have different method to do same. following blog describe the way to change user password in oracle 12c database. How to change SYS/SYSTEM password in 12C-Oracle 12C Administration =================================================== PDB1@ORCL= alter session set container=CDB$ROOT; Session altered. PDB1@ORCL=show con_id CON_ID […]

In this bog, I will explain you how the user management work in oracle 12c. Starting from Oracle 12C there are two types of user. Common User Local User Common User Common user have the access to all PDB except seed pdb Common user start with C## prefix SYS and SYSTEM are the common user […]