What is Oracle database structure with diagram?

08/01/2019 Off By admin

What is Oracle database structure with diagram?

An oracle database includes several different types of files: data files, control files, redo files, archive redo log files, parameter files, and password files. An oracle instance has two different sets of components: The set of background processes like PMON, SMON, RECO, etc.

What is database structure?

Database structure: the building blocks of a database Within a database, related data are grouped into tables, each of which consists of rows (also called tuples) and columns, like a spreadsheet.

What are the components of logical database structure in Oracle Database?

Logical structures include tablespaces, schema objects, data blocks, extents and segments. Database is logically divided into one or more tablespaces. Each tablespace creates one or more datafiles to physically store data. Schema objects are the structure that represents database’s data.

What type of architecture does Oracle DBMS use?

Oracle Database is an RDBMS. An RDBMS that implements object-oriented features such as user-defined types, inheritance, and polymorphism is called an object-relational database management system (ORDBMS).

Why is Oracle used?

Why do We Use Oracle? It is a database management software product. A database contains an organized collection of information. A database management system is not only used for storing the data but to effectively manage it and provides high performance, authorized access and failure recovery features.

What is physical and logical structure?

Oracle database architecture depends upon two types of storage: physical and logical. Physical (disk) storage contains all the files in the database. Logical storage structures, such as tablespaces, segments, extents, and blocks, appear on the disk but are not part of the dataset.

What is Oracle simple words?

The definition of an oracle is a person with great wisdom or someone believed to have communication with a deity. An example of an oracle is someone who has conversations with God. noun.