Introduction to Database System To have a file hold a list, it is necessary to identify the records in the list decide which fields will be used as sort or index keys identify the name, width and type of the fields of each record. All of the listed here identify the records in the list decide which fields will be used as sort or index keys identify the name, width and type of the fields of each record. All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application single-user database application e-commerce database application data mining database application multiuser database application single-user database application e-commerce database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system Both of the listed here can do more than a record management system allows simultaneous access to multiple files None of the listed here Both of the listed here can do more than a record management system allows simultaneous access to multiple files None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Relationships Attributes Entities Primary keys Relationships Attributes Entities Primary keys ANSWER DOWNLOAD EXAMIANS APP
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