Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: entities. attributes. identifiers. relationships. entities. attributes. identifiers. relationships. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Specialized file Log file Master file Update file Specialized file Log file Master file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can be accessed only by data processing professionals both (a) and (b) allows non-programmers to access information stored in a database None of these can accept English language commands can be accessed only by data processing professionals both (a) and (b) allows non-programmers to access information stored in a database None of these can accept English language commands ANSWER DOWNLOAD EXAMIANS APP
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