Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? None of the listed here Bits Data field Characters None of the listed here Bits Data field Characters ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Index Sort key Delete Update Index Sort key Delete Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an instance entity a subtype entity itself an archetype entity an instance entity a subtype entity itself an archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . single-user database application multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system None of these All of these You need to understand the low-level details of how information in stored You need to understand the model the record management system uses. Both (a) and (b) None of these All of these You need to understand the low-level details of how information in stored You need to understand the model the record management system uses. Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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