Introduction to Database System A computer file contains several records. What does each record contain? Database Fields Bytes Words Database Fields Bytes Words ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? EMMS DBMS FMS None of these DASD EMMS DBMS FMS None of these DASD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Update Sort Key Delete Index None of these Update Sort Key Delete Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → A → (A,B) is a composite determinant. C is a determinant. B → A → (A,B) is a composite determinant. C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. 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 SELECT UNIQUE All of these SELECT DISTINCT SELECT DIFFERENT None of these SELECT UNIQUE All of these SELECT DISTINCT SELECT DIFFERENT None of these ANSWER DOWNLOAD EXAMIANS APP
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