Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? creating and maintaining the data dictionary monitoring performance None of these creating the physical and logical designs removing flagged records for deletion creating and maintaining the data dictionary monitoring performance None of these creating the physical and logical designs removing flagged records for deletion ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called batch file data field batch file data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then None of these it can be more easily accessed both (a) and (b) changing the data is one spot will cause data inconsistency storage space is wasted None of these it can be more easily accessed both (a) and (b) changing the data is one spot will cause data inconsistency storage space is wasted 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
Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
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