In this section we will discuss in detail about every aspect of Oracle Database including its versions, features, architecture and tutorials. It will help beginners and professionals learn different aspects of Oracle.
Oracle Database is an Object Relational Database Management System (ORDBMS) where data is stored as tablespaces. It is flexible and cost-effective. In Oracle data is stored in tables and is known as unit. Tasks that can be performed on a table is Select, Insert, Update, Delete, etc.
Oracle Database is used to store and recover information. It maintains a large amount of data is such a way that several users can access the same data at the same time without compromising the performance. A database server acts like a multiuser environment and provides efficient solutions for failure recovery.
Oracle Database is based on Grid computing, which is a flexible way of managing applications. In here capacity can be added or reallocated from the resource pools as needed. Oracle Database has two types of structure: Logical and Physical. It provides dedicated hardware resources, massive systems that are flexible and cheap.
Benefits of Oracle Grid Architecture:
Oracle RDBMS comprises of many concepts:
Features of Oracle Database:
Versions of Oracle Database:
Version of Oracle database is a combination of letters and numbers. 'g', 'c' and 'i' prefixes are used, where 'g' stands for Grid, 'i' stands for Internet and 'c' stands for cloud. Versions of Oracle are as follows:
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