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24 Cards in this Set
- Front
- Back
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a specialist responsible for maintaining standards for the development,maintenance,and security of an organization's database.
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Database Administrator(DBA)
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An approach to the storage & processing of data in which independent files are consolidated into a common pool, or database of records avail to diff applicatio programs and end users for processing & data retrieval.
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Database Management Approach
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A set of computer programs that controls the creation, maint,& utilization of the databases of an organization.
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Database Management System(DBMS)
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A software module and database containing descriptions & definitions concerning the structure,data elements,interrelationships & other characteristics of a database.
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Data Dictionary
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A process in which the relatonships between data elements are identified and defined to develop data models.
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Data Modeling
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Using special-purpose software to analyze data from a data warehouse to find hidden patterns and trends.
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Data Mining
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The storage of a particular data element or elements in more than one physical location or form.
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Data Redundancy
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A managerial activity that applies info systems technology & management tools to the task of managing an organizations data rersources. Itys three major components are database admin, data admin, and data planning.
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Data Resource Management
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Organizing data into specialized files of data records designed for processing only by specific application programs. Contrast with database management approach.
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File Processing
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Data elements that are independent of the physical data media on which they are recorded.
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Logical Data Elements
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Data about data; data describing the structure, data elements, interrelationships and other characteristics of a database.
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Metadata
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A query language that is becoming a standard for advanced database management system packages. A queary's basic form is Select...From...Where.
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Structured Query Language(SQL)
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A group of related records
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File or Table
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What are four types of files?
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-Master File
-Transaction File -History File -Archival File |
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An integrated collection of logically related data elements
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Database
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Name five common database structures
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-Hierarchical
-Network -Relational -Object-oriented -Multi-dimensional |
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Most commonly used structure for database
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Relational Structure
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Database planning and design is bottom-up process. (T/F)
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False
Top-down |
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What are the planning stages of developing a database?
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-Develop an enterprise model
-Define the information needs of end users -Identify the key data elements |
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Managerial Activity:
-Uses data management, data warehousing and other IS technologies -Manages data for business stakeholders |
Data Resource Management
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Cats OR felines AND NOT dogs OR Broadway
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Boolean Logic:
-George Boole 1800's -Used to refine searches -Three logical operators |
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World's Largest Database
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????
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Database Maintenance is supported by what?
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DBMS
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Name three DBMS Tools
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-4GL programming language
-Built-in software development tools -Data manipulation language (DML) statements that eliminate conventional programming |
