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Let’s Introduce What Is A Database?
1. In simple words, a collection of data is known as a database. Data can be facts which is related to any object in consideration. For example, the name, age, height, weight, and sex of an individual. Any Database content is meant to store and handle data such as customer details for a business, medical records, sales data, and stock items in one application.
The content of a database is easy to manage. In a database, Information can be accessed and updated quickly and efficiently. A database can store and handle a vast amount of data. This is the reason why A user can sort and search a database to find any requested data easily.
Database Management Systems are not a new concept and as such had were first implemented in the 1960s. Charles Bachman’s integrated data store (IDS) is said to be the first DBMS in history.
With time database technologies evolved a lot while usage and expected functionalities of databases have been increased immensely.
- Types of DBMS
- Navigational DBMS
- Relational DBMS (MYSQL, ORACLE, MS SERVER, SYBASE, etc.)
- SQL DBMS
- Object-Oriented DBMS
What is Oracle?
Oracle is mostly known as the company providing database solutions through its customized software and other DBMS product solutions. But the scope of Oracle is not limited to these fields. Only Oracle is one of the most influential companies on the planet. It was the third-largest software company in terms of revenue in the year 2018 coming just after Microsoft and the alphabet parent company of Google Oracle was started in the year 1977. It is created to store a large amount of data in a computer system created to store a large amount of data in a computer system. In this type of database, we can store different types of data like text numbers, videos, and so forth.
Internal operation of Oracle
The reason for using the Oracle database is
- Oracle has various components for managing the database.
- It contains many tools for database backup and recovery.
- It also supports data warehousing.
Let’s see some of the significant features of Oracle
Database performance and scalability
It means in a database; performance depends upon the usage of the database by application servers.
In Oracle, better performance is achieved by using “Real Application Clusters” because it allows more users to access the database effectively.
Manageability
Managing a database is the main problem with database design. But with the help of new features of
Oracle-like enhancements in Oracle Enterprise manager and so forth become very easy.
Security
- Oracle supports multi-users to access the data, so security is a significant element.
- It stores data in an encrypted manner.
- Tools to manage user authentication
Availability
- It facilitates database users to make the data available at any time.
- It uses tools for backup and recovery.
Creation of Indexes and Constraints
In Oracle, Index creation and constraints functions are built in a way to access the data and help them to boost the data by reducing the number of pages.
Grid Infrastructure
In Oracle the grid infrastructure software will provide the required assistance to file the system as well as volume management.
Transaction management
This helps to manage the atomic and logical unit related to work and uses different forms of SQL statements.
Backup and Recovery Process
In Oracle, backup and recovery process are used to reconstruct the data. It includes the control files, redo logs and data files.
Oracle Auditing
This inbuilt function of Oracle will allow the system administrators to come up with privacy rules. It allows protecting the data stored in the database. Along with this it detects malicious activities and applies the right security measures. In the case of file auditing, this function of oracle helps a lot.
How can a student understand Oracle?
Take for example Uber is an application to book a cab, YouTube is an online website to watch and search for free videos. In the same way, the database is an application that stores a massive amount of data (several Terabytes size) in a structured or unstructured format. Oracle uses Structured Query language (SQL) to store and retrieve the data from the database. For anyone new to database or understanding database for the first time, let me help you with an example. A library is like a database where all the books are stored in a cupboard with labels on each rack. These labels help us to find books faster and we can call this action structured storage. Consider the librarian working there as Oracle SQL. You go to the library and ask for the book, the librarian knows where the book is and gets you the requested book from the rack. In the same way, the Oracle database stores the data in a structured format that is tables, and we use SQL to read or write data into the database.
An oracle database can store data ranging from 4GB to multiple terabytes.
- Oracle is made up of a set of processes running on the operating system to manage the data storage and retrieval in the database.
- Oracle Relational Database Management System (RDBMS) is termed as an object-oriented relational database management system. The RDBMS concept that originated from Oracle is a data structure that includes data objects that can be easily accessed using a structured query language. Our experts offer immediate Oracle homework help to distance themselves from the academic burden.
- Oracle database is an organized collection of structured information or data, typically they are stored electronically in a computer system.
Most Popular databases Topics are
- Relational Databases
- Database Architecture
- Oracle Database Recovery
- Oracle Joints & Views
- Grid infrastructure
- Trigger Creation
- Processing Statements in Oracle
- Table, Indexes
- Schema Objects
- Oracle database server
- Oracle Programming
- Oracle Auditing
- Oracle Integration
- Oracle Software
- Advanced Querying
- PL/SQL Data Types.
Structured query language (SQL) is a programming language used by nearly all relational databases to query, manipulate and define data and to provide access control.
Some of the oracle versions that are in use are Oracle7, Oracle 8, Oracle 9, Oracle 10g, Oracle 11g, Oracle 12c, etc.
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