Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Network schema Hierarchical schema All of the listed here Relational schema Network schema Hierarchical schema All of the listed here Relational schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to arrange them access them store information together create them arrange them access them store information together create them ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? BROWSE APPEND INSERT UPDATE BROWSE APPEND INSERT UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file ANSWER DOWNLOAD EXAMIANS APP
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