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. Sort key Index Update Delete Sort key Index Update Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Words Bytes Fields Database Words Bytes Fields Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a sequential file a hashed file None of these a tree file an indexed file a sequential file a hashed file None of these a tree file an indexed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form defines none of the listed here the width of each field both of the listed here where data is placed on the screen none of the listed here the width of each field both of the listed here where data is placed on the screen ANSWER DOWNLOAD EXAMIANS APP
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