Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? removing flagged records for deletion monitoring performance creating the physical and logical designs creating and maintaining the data dictionary None of these removing flagged records for deletion monitoring performance creating the physical and logical designs creating and maintaining the data dictionary None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base field record data item data base field record data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? 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. The columns must be ordered. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Database Information tree Information provider Directory information Database Information tree Information provider Directory information ANSWER DOWNLOAD EXAMIANS APP
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