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 DISTINCT SELECT UNIQUE SELECT DIFFERENT None of these All of these SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: second normal form. fourth normal form. domain/key normal form. third normal form. second normal form. fourth normal form. domain/key normal form. third normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? High level language SQL Query language 4GL High level language SQL Query language 4GL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Fields Words Bytes Database Fields Words Bytes Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data item characteristics that are important in data management include language width spelling punctuation language width spelling punctuation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Network Distributed Hierarchical Object-Oriented Network Distributed Hierarchical Object-Oriented ANSWER DOWNLOAD EXAMIANS APP
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