Introduction to Database System A form can be used to format printed output All of these delete records modify records None of these format printed output All of these delete records modify records None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. True False True False 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 Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? IDMS dBase-II R:base DB2 IDMS dBase-II R:base DB2 ANSWER DOWNLOAD EXAMIANS APP
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