Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet is generally stored on disk in an ASCII text format can be used for graphic all of the listed here can be used as it by the DBMS is generally stored on disk in an ASCII text format can be used for graphic all of the listed here can be used as it by the DBMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The purpose of a database is to help people stop using spreadsheets. True False True False 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 None of these All of these SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT None of these All of these SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide a physical record key None of these an inverted index a secondary access path All of these a physical record key None of these an inverted index a secondary access path All of these ANSWER DOWNLOAD EXAMIANS APP
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