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15 Cards in this Set
- Front
- Back
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Database
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A collection of data that can be sorted and searched using search algorithms
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Table
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A collection of data about a limited topic, organized into rows and columns in a database.
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Field
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A category of information in a database table.
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Record
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A collection of information in a database table consisting of one or more related fields about a specific entity.
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Relational database
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A database that contains multiple tables related through common fields.
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Common field
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A field contained in two or more database tables that forms a connection between the tables.
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Relationship
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A connection between two or more database tables that is based on a field that the tables have in common.
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One-to-one relationship
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In databases, a relationship in which each record in Table A can have only one matching record in Table B, and vice versa.
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One-to-many relationship
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A relationship in which a record in Table A can have multiple matching records in Table B, but a record in Table B has only one matching record in Table A.
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Many-to-many relationship
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A relationship in which one record in Table A can relate to many matching records in Table B, and vice versa.
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Search engine
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A powerful software program that searches Internet databases for user-specified information.
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Keyword
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A word that appears on a Web page and is used by search engines to identify relevant URLs.
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Meta search engine
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A search engine that scans Web pages for <meta> tag information.
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Index
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A catalog of the contents of a database. Each entry identifies a unique database record.
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Boolean Operator
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A symbol or word used in Internet searches to narrow search results by including or excluding certain words or phrases from the search criteria.
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