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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Attribute |
each characteristic or quality describing a particular entity |
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Bit |
A binary digit |
0 or 1 |
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Byte |
A group of eight bits that represents a single character |
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Data dictionary |
Collection of definitions of data elements; data characteristics that use the data elements |
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Data governance |
An approach to managing information across an entire organization |
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Data mart |
A low cost scaled down version of a data warehouse that is designed for the end user needs i strategic business unit or department. |
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Data warehouse |
A repository of historical data that are organized by subject to support decision makers in the organization. |
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Database |
A group of logically related files that stores data and the associations among them |
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Database management system (DBMS) |
Software program that provides access to a database |
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Entity |
A person, place, thing, or event about which information is maintained in a record. |
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Entity relationship (ER) Diagram |
Document that shows data entities and attributes and relationships among them. |
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Entity relationship (ER) Modeling |
The process of designing a database by organizing data entities to be used and identifying the relationships among them. |
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Explicit knowledge |
The more objective, rational, and technical types of knowledge |
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File |
A group of logically related records. |
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Knowledge management |
Process that helps organizations identify, select, organize, disseminate, transfer, and apply information and expertise that are part of the organizations memory. |
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Knowledge management systems(KMS) |
Information technologies used to systematize enhance and expedite intra-and interfirm knowledge management |
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Master data |
A set of core data such as customer product employee vendor geographic location and so on that spans and enterprises information systems |
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Primary key |
The identifier field or attribute that uniquely identifies a record |
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Normalization |
A method for analyzing and reducing a relational database to its most streamlined form for minimum redundancy maximum data integrity and best processing performance |
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Queried by example(QBE) |
Database language that enables the user to fill out a grid or form to construct a sample or description of the data wanted |
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Secondary key |
And identifier field or attribute that has some identifying information but typically does not identify the file with complete accuracy |
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Structured query language(SQL) |
Popular relational database language that enables users to perform complicated searches with relatively simple instructions |
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Tacit knowledge |
The curative store of subjective or experiential learning which is highly personal and hard to formalize |
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Dita hierarchy: smallest to largest: |
Bit, byte, field, record, file, database |
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