Tag Archives: OEM

ACCESS EM EXPRESS FOR CDB / PDB / Non-CDB

Let’s see how to access EM express for various types of databases.

Oracle 12c has introduced multitenant architecture in which we can have different types of databases:

– CDB’s
– PDB’s
– Non CDB’s

Let’s see how to access EM express for various types of databases:

Accessing EM express for CDB’s

At the root container, data is displayed for the entire CDB, and all actions taken impact all containers.  Data pertaining to a PDB, such as a user or a SQL statement, is qualified with the container name.  The actions a user can perform at the root container include:

– viewing and setting initialization parameters;
– administering common users and privileges; and
– managing memory configuration, undo information and redo logs.

– Find out the port on which EM Express is configured:

Three methods are available:

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