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 Data security threats include privacy invasion fraudulent manipulation of data hardware failure all of the listed here privacy invasion fraudulent manipulation of data hardware failure all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships treelike structure records tables complex logical relationships treelike structure records tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system can do more than a record management system Both of the listed here allows simultaneous access to multiple files None of the listed here can do more than a record management system Both of the listed here allows simultaneous access to multiple files None of the listed here 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? Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is conceptually simple It will be the dominant data base of the future It allows a many-to-many relationship It is a physical representation of the data It is conceptually simple It will be the dominant data base of the future It allows a many-to-many relationship It is a physical representation of the data ANSWER DOWNLOAD EXAMIANS APP
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