Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): column of a table. key of a table. two dimensional table. row of a table. column of a table. key of a table. two dimensional table. row of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . self-describing an application program described metadata compatible self-describing an application program described metadata compatible ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches All of these controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches All of these controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system ANSWER DOWNLOAD EXAMIANS APP
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