This article describes how to connect to container databases cdb and pluggable databases pdb. A pluggable database is a new construct whereby you can encapsulate a subset of oracle data tables and indexes along with its associated metadata from the data dui dictionary. At this point, if the cpu cores for the newly registered fujitsu m10 4s building. Oracle pluggable database pdb technology improves usability while. A pluggable database pdb is a usercreated container holding the data and code for your specific applications 7. Up to 252 user created pluggable databases pdb in 12. This is useful after changes have been made to the application in the. Oracle multitenant 19c all about pluggable databases ukoug. You can create cdb restore points starting with oracle database 12 c release 1 12. Archived logs and backups associated with the dropped pdb are not deleted.
Individually, oracle database 12c and fujitsu m10 each reduces the. Oracle database 12c introduces a new multitenant architecture that makes it easy to deploy and. As shown in figure 1, the innovation is driven by the efficient use of the container database cdb memory and. Container database cdb is an oracle database that includes zero, one, or many customercreated containers or pluggable databases. Dbpitr is sometimes called incomplete recovery because it does not use all of the available redo or completely recover all changes to your database. Oracle database auch oracle database server, oracle rdbms ist eine. These features provide a more efficient alternative to point intime recovery and does not require a backup of the database to be restored first. Connecting to the root of a container database is the same as that of any previous database instance. At this point, if the cpu cores for the newly registered fujitsu m104s building. The multitenant architecture with one pluggable database single tenant is available in. In addition, if a pdb has been moved to another container, it appears that point in. Pdf oracle 12c for dummies by chris ruel,michael wessler, category. Flashback of a container database cdb in oracle database 12c release 1. All oracle databases before oracle database 12 c were noncdbs.
During the oracle database 12c administration workshop, students cover a brief overview of the multitenant container database and its pluggable databases. Cdb restore points are useful in the following scenarios. A pdb is a portable collection of schemas, schema objects, and nonschema objects that appears to an oracle net client as a noncdb. The multitenant architecture enables an oracle database to function as a multitenant container database cdb a cdb includes zero, one, or many customercreated pluggable databases pdbs. You can view information about cdbs and pdbs with sqlplus. Use the sync clause to sync an application in an application pdb to the version and patch level of the same application in the application root. A pluggable database is a selfcontained, fully functional oracle database. Use the drop pluggable database statement to drop a pluggable database pdb. To upgrade pluggable databases pdbs that are in an earlier release multitenant container databases cdbs, oracle database release 12c 12. Cdb restore points are accessible to every pluggable database pdb within the cdb. With the release of oracle database server 12c, oracle changed the architecture of the database. When you clone a pdb, the commvault software duplicates the cdb and pdbs that. In this case, you restore a whole database backup and then apply redo logs or incremental backups to recreate all changes up to a point in time.
The multitenant option introduced in oracle database 12c allows a single container database cdb to host multiple separate pluggable databases pdb. In a multitenant container database cdb, the metadata for data dictionary tables and view definitions is stored only in the root. The most basic solution to unwanted database changes is rman database point intime recovery dbpitr. Alter pluggable database application salesapp sync to patch 102 replays all statements up to and including patch 102. Cloning an oracle 12c pluggable database pdb commvault. Oracle 12c and its pluggable databases linkedin slideshare. You can create a clone from the latest backup, or from a pointintime backup. Using flashback database and restore points oracle. However, a cdb restore point does not reflect the pdb subincarnation of any of its pdbs. Oracle 12c database new features pluggable database video 1 1. Pluggable databases allows us to consolidate hundreds of databases onto a rac environment. Container database cdb point in time recovery pitr.
Oracle database 12c release 2 brings improvements in all three areas. Oracle flashback database and restore points are related data protection features that enable you to rewind data back in time to correct any problems caused by logical data corruption or user errors within a designated time window. Plug into the cloud with oracle database 12 he cloud ith. From an applications point of view it has not changed in. Consolidation with pluggable databases using oracle multitenant allows organizations to. You start by creating a root instance database, called a container database cdb. However, each pluggable database pdb has its own set of data dictionary tables and views for the database objects contained in the pdb. Pluggable database oracle 12c introduces a new feature called pluggable database. This article covers the options available to create a new pluggable database in an existing container database.
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