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Questions and Answers
The concept of a ______ existed long before computers.
database
Charles Bachman designed the first computerized ______ in 1960.
database
The standard language used for databases is called ______.
SQL
Five major parts of a database system include hardware, software, ______, procedures, and data.
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A shared collection of related data used to support the activities of a particular organization is called a ______.
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One disadvantage of a file system is ______ of data.
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In database systems, excessive ______ maintenance is a common challenge.
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E. F. Codd released his paper on a relational model of data in ______.
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Managers of small organizations typically use ______ systems to track necessary data.
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Lengthy development times are considered a ______ of a file system.
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Study Notes
Information Management Concepts and Fundamentals
- Understanding of databases entails knowledge of basic terms and definitions.
- Database systems exhibit characteristics such as data integrity, security, and multi-user access.
- Various capabilities include data storage, retrieval, manipulation, and application in real-world scenarios.
History of Database
- Database concept predates computers; originally involved manual data storage in journals and filing cabinets.
- 1960: Charles Bachman introduced the first computerized database.
- 1970: E.F. Codd published "A Relational Model of Data for Large Shared Data Banks," laying foundational principles for relational databases.
- 1980: Emergence of SQL (Structured Query Language) as the standardized language for database management.
File Systems
- File systems serve small organizations to manage essential data.
Database Systems
- Challenges include excessive program maintenance which can hinder efficiency.
- The database system comprises five major components:
- Hardware: Physical devices used for data storage and processing.
- Software:
- Operating system software facilitating overall system operation.
- DBMS (Database Management System) software providing tools for database creation and management.
- Application and utility software designed for specific data handling tasks.
- People: Includes key roles such as:
- Systems Administrators: Oversee overall system functionality.
- Database Administrators: Manage and maintain databases.
- Database Designers: Architect data structures and models.
- Systems Analysts and Programmers: Analyze and develop system functionalities.
- End Users: Individuals who interact with the database for information retrieval.
- Procedures: Established methods for data management and operational tasks.
- Data: Core element being stored, manipulated, and maintained.
Database
- Defined as a shared collection of related data, facilitating organizational activities and multiple user access.
- Functions as a structured data repository accessible by various users post-definition.
Disadvantages of a File System
- Program-data dependence complicates data management.
- Causes duplication of data, leading to inconsistencies.
- Limits data sharing among users and departments.
- Lengthy development times impede quick adaptations and updates.
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Description
Explore the fundamental concepts of databases in this quiz designed for the 1st semester Information Management course. Learn to define basic database terms, characteristics of database systems, and their applications. Dive into the history of how data storage has evolved over time.
