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Oracle has several modes for shutting down the database: In normal mode, the database is shut down by default. It...
Materialized views are items that contain condensed sets of data from base tables that have been summarized, clustered, or aggregated. They...
Every database in Oracle has a tablespace called SYSTEM, which is generated automatically when the database is created. It also...
A query is added to any view in order to define specific rows and columns of the table. The view...
In a database, the table is the first physical object. Oracle divides data into rows and columns using tables in...
The recovery catalog is a database scheme containing the metadata RMAN manages for data restoration and recovery processes. The metadata...
A parameter file is a text file that includes a list of initialization parameters as well as their values. Initialization...
The redo log’s main purpose is to keep track of all data changes. If a failure stops personalized data from being permanently...
Following are the different kinds of Indexes in MongoDB:
The steps to recover a lost control file: