Data Bases Data base approach focuses on data integration and data sharing‚ views data as an organizational resource Data Base Management System (DBMS) refers to programs that control the data and interfaces between the data and application programs The data based‚ DBMS‚ and the application programs together are termed as data base system Data base administrator is the person responsible for the data base. Data base systems separate logical and physical views of data‚ referred to
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System File-based systems were an early attempt to computerize the manual filing system. File-based system is a collection of application programs that perform services for the end-users. Each program defines and manages its data. However‚ five types of problem are occurred in using the file-based approach: Separation and isolation of data When data is isolated in separate files‚ it is more difficult for us to access data that should be available. The application programmer is required
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DBMS CONCEPTS 1. Database A database is a logically coherent collection of data with some inherent meaning‚ representing some aspect of real world and which is designed‚ built and populated with data for a specific purpose 2. DBMS It is a collection of programs that enables user to create and maintain a database. In other words it is general-purpose software that provides the users with the processes of defining‚ constructing and manipulating the database for various applications. 3. Database
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DATABASE ARCHITECTURE DATABASE CONCEPTS Figure 1.1 – Main Concepts of a DBMS Database is an organized collection of data. Database management system (DBMS) is a computer program (or more typically‚ a suite of them) designed to manage a database‚ a large set of structured data‚ and run operations on the data requested by numerous users. Data Manipulation Language (DML) is a family of syntax elements similar to a computer programming language used for inserting‚ deleting and updating
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part) SORRY! Advantage at dis advantage ng open office pwde Kayla lester naman‚ gagwa pa ko SAD natin at android naming. Ala pa ko sisimulan.please pls. pls DBMS: open office org base Developers: Sun Microsystems (1999–2009) and Oracle Corporation (2010–2011) DBMS Price in the Philippines: openoffice org is a open software DBMS Clients: Singapore’s Ministry of Defence Banco do Brasil ESIC‚ IIT Bombay‚ National Bank for Agriculture and Rural Development n Japan‚ conversions included
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What Is Super Key In Dbms? Superkey - A superkey is defined in the relational model as a set ofattributes of a relation variable (relvar) for which it holds that inall relations assigned to that variable there are no two distincttuples (rows) that have the same values for the attributes... in Software What Is Super Key In Dbms Give Example? A superkey is a combination of attributes that can be uniquely used to identify a database record.With primary key if any other attribute is added then that
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DBMs 2013 3/14/2013 What is DBMs or Database management system? Stands for "Database Management System." In short‚ a DBMS is a database program. Technically speaking‚ it is a software system that uses a standard method of cataloguing‚ retrieving‚ and running queries on data. The DBMS manages incoming data‚ organizes it‚ and provides ways for the data to be modified or extracted by users or other programs. Some DBMS examples‚ Microsoft Access‚ SQL Server‚ FileMaker‚ Oracle‚ RDBMS‚ dBase‚ Clipper
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Database Management System (DBMS): It is a collection of interrelated data and set of programs to access the data. It contains information about a particular enterprise and also provides an environment that is both convenient and efficient to use. Database Applications: Banking: all transactions Airlines: reservations‚ schedules Universities: registration‚ grades Sales: customers‚ products‚ purchases Manufacturing: production‚ inventory‚ orders‚ supply chain Human resources: employee
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A database management system (DBMS) is a collection of programs that manages the database structure and controls access to the data stored in the database. In a sense‚ a database resembles a very well-organized electronic filing cabinet in which powerful software‚ known as a database management system‚ helps manage the cabinet’s contents. Advantages of the DBMS: The DBMS serves as the intermediary between the user and the database. The database structure itself is stored as a collection of files
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------------------------------------------------- Course Objectives tested in this Exam are: * ------------------------------------------------- Understand normalization concepts and data structures * ------------------------------------------------- Complete physical database design * ------------------------------------------------- Perform database query processing using SQL * ------------------------------------------------- Understand multi-user and administration issues
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