Oracle Multitenant Architecture and Database Administration

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Description: A warm welcome to the Oracle Multitenant Architecture and Database Administration course by Uplatz.Post Oracle 12c, Oracle came up with new architecture called Multitenant Architecture.In previous versions of Oracle database versions, there was a major problem - if the user starts a new instance there are particular background processes for each instance and each of these process wasted a lot of memory and resources thus affecting the system performance badly. Hence, Oracle came up with a new idea to connect different databases into one database technique. That idea is called “Multitenant Architecture.”That one main database is called CDB (Container Database) and other databases which are used to connect the main database are called PDB (Pluggable Database). A pluggable database is fully compatible with a non-CDB. In fact, Oracle has something called the PDB/non-CDB compatibility guarantee, which states that anything you would do in a non-CDB would also work in a PDB. This compatibility guarantee is important when it comes to certifying things like third-party vendor products to work in a multitenant architecture.How to create a multitenant database environment in Oracle 12cWhen creating a database, you must designate it as a CDB or non-CDB for it to be able to support the multitenant architecture. The next set of examples walks you through the steps to create a container database with the DBCA. There is only one step that differentiates a CDB from a non-CDB when using the DBCA.The multitenant architecture enables you to have many pluggable databases inside a single Oracle Database instance. The Oracle Multitenant Database Architecture is designed to host multiple “PLUGGABLE DATABASE” PDB databases within a single CDB “CONTAINER DATABASE” container instance. The architecture of the CDB instance maintains more PDBs within it, using the same set of processes and the same SG
Category: Office Productivity > Oracle > Database Administration
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