Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT None of these All of these SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are functions of a DBMS except ________ . creating and processing forms administrating databases processing data creating databases creating and processing forms administrating databases processing data creating databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? tables treelike structure complex logical relationships records tables treelike structure complex logical relationships records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after All of these Insert Look-up None of these Delete All of these Insert Look-up None of these Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Modify Look-up None of these Insert All of these Modify Look-up None of these Insert All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? None of these query language data manipulation language transaction log report writer None of these query language data manipulation language transaction log report writer ANSWER DOWNLOAD EXAMIANS APP
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