Database Redesign Information systems and organizations do not just influence each other; they create each other. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is especially difficult if the database has no data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign To drop a column that is used as a foreign key, first: All of these drop the primary key. drop the foreign key constraint. drop the table containing the foreign key. All of these drop the primary key. drop the foreign key constraint. drop the table containing the foreign key. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Changing a column data type from numeric to char Neither of the above actions will succeed Changing a column data type from char to date Both of the above actions should succeed Changing a column data type from numeric to char Neither of the above actions will succeed Changing a column data type from char to date Both of the above actions should succeed ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database is relatively small. database has no data. database is well-designed. database is structured. database is relatively small. database has no data. database is well-designed. database is structured. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Changing cardinalities in a database is: a common database design task. a database design task that never occurs. a rare database design task, but does occur. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a database design task that never occurs. a rare database design task, but does occur. is impossible to do, so a new database must be constructed and the data moved into it. ANSWER DOWNLOAD EXAMIANS APP
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