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Question | Answer |
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database | A collection of data that can be sorted and searched using search algorithms. |
table | A collection of data about a limited topic, organized into rows and columns in a database. |
field | A category of information in a database table. |
record | A collection of information in a database table consisting of one or more related fields about a specific entity, such as a person, product or event. |
relational | A database that contains multiple tables related through common fields. |
database | A collection of data that can be sorted and searched using search algorithms. |
common field | A field contained in two or more database tables that forms a connection between the tables. |
relationship | a connection between two or more database tables that is based on a field that the tables have in common. |
primary key | a field containing a value that uniquely identifies each recod in a database |
one-to-one relationship | a relationship in which each record in table a can have one matching record in B |
foreign key | a field in a related database table that refers to the primary key in the primary table |
many-to-many relationship | in databases a relationship in which one record in table a can relate to many matching records in table b and vice versa |
junction table | a database table containing foreign key fields that refer to the primary key fields from the primary tabels in many to many relationship |
query | a question posed by a user to a database to request database information |
SQL | a language used to create and maintain professional high performance corporate databases |
DBMS | A program used to store, access and manipulate database information. |
CGI | a program that processes data submitted by the user. |
search engine | A powerful software program that searches Internet databases for user-specified information. |
keyword | A word that appears on a Web page and is used by search engines to identify relevant URLs. Some words, such as "the" or "and," are too common to be used as keywords. |
meta search engine | search engine that scans Web pages for <meta> tag information. |
index | catalog of the contents of a database. Each entry identifies a unique database record. |
boolean operator | A symbol or word used in Internet searches to narrow search results by including or excluding certain words or phrases from the search criteria. 5-3 |