Introduction to Database System A database is called "self-describing" because it contains a description of itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called All of the listed here Queries Domains Relations All of the listed here Queries Domains Relations 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 SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT None of these All of these SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? dBase-II IDMS R:base Oracle dBase-II IDMS R:base Oracle ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to keep a floppy disk in readiness load the software into your micro¬computer create a database file activate file editor keep a floppy disk in readiness load the software into your micro¬computer create a database file activate file editor ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. ANSWER DOWNLOAD EXAMIANS APP
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