Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these All of these SELECT UNIQUE SELECT DIFFERENT SELECT DISTINCT None of these All of these SELECT UNIQUE SELECT DIFFERENT SELECT DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Hierarchical Object-Oriented None of these Relational Network Hierarchical Object-Oriented None of these Relational Network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . relationship instance table database relationship instance table database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is All of the listed here Look-up Insert Modify All of the listed here Look-up Insert Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet all of the listed here is generally stored on disk in an ASCII text format can be used for graphic can be used as it by the DBMS all of the listed here is generally stored on disk in an ASCII text format can be used for graphic can be used as it by the DBMS ANSWER DOWNLOAD EXAMIANS APP
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