Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? backing up the database All of the listed here database design performance monitoring backing up the database All of the listed here database design performance monitoring ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Enterprise Resource Planning (ERP) is an example of a single user database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: users None of these data base data-base administrator separate files users None of these data base data-base administrator separate files ANSWER DOWNLOAD EXAMIANS APP
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