Advantages And Disadvantages Of Oracle Databases

Data objects can model relational data or advanced data types such as graphics, movies, and audio. Smalltalk, C++, Java, and others are objects used in object-oriented data. The object-relational is a combination of relational and object-oriented databases. Traditional and advanced data types can be used to construct database management systems. These systems can connect to a company’s website and update records as needed. Database Approach The main purpose of a database is data storage that can be stored and retrieved when needed. A popular common language called structured query language (SQL) is used to store and retrieve data in relational database. This language enables the systems to run a report or modify data or remove the data from the database. A database management system (DBMS) controls all aspects of a database, this is not limited to the creation, maintenance, and use of database. The DBMS ensures proper applications are able to access the database. An important purpose of a DBMS is to maintain the data definitions (data dictionary) for all the data elements in the database. It also enforces data integrity and security measures. Data Models Data models provide a contextual framework and graphical representation that aid in the definition of data elements. In a relational database, the data model lays the foundation for the database and identifies important entities,

A collection of programs that manages the database structure and controls access to the data stored in the database.

Which database management system platform should I use? This is a very common question that developers ask themselves when they work on a project that requires storing and querying data. There are 4 well-known platforms that people may consider; they are: Oracle, Microsoft SQL, Teradata and DB2. This essay will compare and contrast the differences and similarities between these fours platforms.

Foreign Key: When data is copied from one table to another for example when you copy a primary key to another table it will be duplicated to create a relationship. This is allowed and the table will then be called a foreign key.

Oracle is a productive question social DBMS perfect for overseeing tremendous venture scale databases. Of course, it is costly to obtain the proprietorship. It likewise accompanies a strict permitting arrangement. This drawback drives a few organizations and organizations to move their databases from Oracle to yet another DBMS.

Why is it so important to have security for an organizations database? One reason will be to secure the organizations personal and confidentiality data information. Oracle has a database security software that enables a regulatory compliance for both oracle and non-oracle databases. Oracle has a powerful and a preventative detective security controls that will include database

The tables in relational databases organize data in rows and columns, simplifying data access and manipulation. It is easier for manager to understand the relational model than put all data in one table. Besides, a relational database allows tables to be linked. And the linkage reduces data redundancy and allows data to be organized more logically. In a word, relational database is easier to control, more flexible, and more intuitive than approaches.

Database plays a major role in any organization. As a Database administrator(DBA) he/she is responsible in developing, implementing and maintaining the databases and DBA 's are also responsible in updating, backup 's and security of the databases. The first Database Management System was developed in the late 1960 's by two firms based on their network data model but in the early 1970’s a scientist of IBM introduced Relational database theory after six years IBM completed prototype on RDBMS (relational database management system). Oracle created the first versatile Relational Database Management Systems In 1983, which allowed organizations to use their DBMS on different machines including mainframes, workstations, and Pc 's. In 1993 Microsoft first created a database application called Access for Macintosh machines. Microsoft SQL server is a RDBMS which is used to store and retrieve the data by other software applications. There are 12 types of servers concentrated on various types of user 's from single computer to large networks (Microsoft SQL DBA).

foreign key is the id of a record in a different table. This is done through

The company built the first commercial relational database system, and marketed the first products employing SQL (structured query language), now the industry standard (Table 1). Oracle also saw the value of low-cost, client/server systems instead of mainframes, pioneered portable software that today runs on practically all hardware in most computers. In recent years, the company has supported parallel software as the breakthrough that will drive very large database applications. Table 1 illustrates some of the major milestones for the company preceding and during the time of this case.The company 's technology innovations have helped drive the computer industry to where it is today, and has enabled computer users to be more productive and more competitive with systems that cost less but do more. Oracle radically increased it 's sales every year from 1980 to 1989 (Exhibit 1). This focus on software innovation and expansion explains why Oracle 's information management software has been such a leader guiding the world into the Information Age.Table 1. Major milestones for the Oracle Corporation preceding and during the time of this case.

Relational database contains data records that do not have a preset of relationships, permitting the user to define his or her relationship when accessing the data. Since users have much control over the data being accessed, relational databases can perform a variety of tasks. Such as defining the database; querying the database; adding, editing, and deleting data from the database; modifying the structure of the database; securing data from public access; communicating within the network; and exporting and importing data (Murthy, 2008).

One rule is required when creating database tables. Several constraints related to specific standards are in use in creating a database schema. To be classified as a relational table it must first have a primary key. A primary key cannot accept null values, and a table can only have one primary key. A foreign key refers to a set of one or more columns in another table that refers to the primary key. There aren't any unique codes, configurations, or table definitions you need to place to officially “designate” a foreign key. Unlike the primary key, a foreign key can take null values, and a table can have more than one foreign key ("PF, FK," n.d., p.

The idea of relational database was first introduced by E.F.Codd at IBM in 1970. It is a kind of computer database in which data is stored in Relations and is represented in the form of tables with rows and columns. Databases can vary in sizes, ranging from very small and simple to very large and complex ones. Database users can access the data practically in an unlimited number of ways. Relational databases help in finding the information in a quick and efficient manner that one is looking for.Today many popular databases use the model of relational database.

Oracle designs, develops, and supports computer-software products. This software is used for database management and network products, application development productivity tools, and end user applications. The company’s principal product, the oracle relational database-management system, runs on supercomputers, mainframes, microcomputers, and personal computers. The company also offers consulting, support, and system integration services for its customers. Oracle Corporation provides the software that powers the Internet.

Inspired by the possibility of creating an RDBMS system that could be sold commercially, Bob Miner, Ed Oates, and Larry Ellison pooled their collective knowledge to create Software Development Laboratories in 1977, which became Oracle Systems Corporation in 1982. Fueled by successes within the governmental sector and the foresight to write much of the code in the then-revolutionary C programming language, Oracle was able to create database software that could easily connect with almost any available system. This launched their commercial popularity, and has given them the freedom to pursue innovative technologies, such as Siebel CRM, that have consistently kept them among the top five software companies in the world.