Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance 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? dBase-II DB2 R:base IDMS dBase-II DB2 R:base IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What software packages are commonly used for businesses that have to track extensive lists of clients and inventory? Single function application packages Custom made programs Data management packages Special purpose packages None of these Single function application packages Custom made programs Data management packages Special purpose packages None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? APPEND INSERT UPDATE BROWSE APPEND INSERT UPDATE BROWSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Delete None of these All of these Insert Look-up Delete None of these All of these Insert Look-up ANSWER DOWNLOAD EXAMIANS APP
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