Introduction to Database System Which two files are used during operation of the DBMS? query language and utilities data dictionary and transaction log data dictionary and query language None of the listed here query language and utilities data dictionary and transaction log data dictionary and query language None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True 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. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. 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. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute describes the entity's characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report generator is used to update files all of the listed here print files on paper data entry update files all of the listed here print files on paper data entry ANSWER DOWNLOAD EXAMIANS APP
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