Introduction to Database System Related fields in a data base are grouped to form data file menu data record bank None of these data file menu data record bank None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: must always be composed of two or more columns. identifies a column. can only be one column. identifies a row. must always be composed of two or more columns. identifies a column. can only be one column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 For some relations, changing the data can have undesirable consequences called: transitive dependencies. normal forms. modification anomalies. referential integrity constraints. transitive dependencies. normal forms. modification anomalies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
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