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 Changing cardinalities in a database is: a common database design task. is impossible to do, so a new database must be constructed and the data moved into it. a database design task that never occurs. a rare database design task, but does occur. a common database design task. is impossible to do, so a new database must be constructed and the data moved into it. a database design task that never occurs. a rare database design task, but does occur. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Two Four One Three Two Four One Three ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model that is produced from reverse engineering is: a logical model. a conceptual model. None of these an internal model. a logical model. a conceptual model. None of these an internal model. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Before any changes to database structure are attempted one should first: clearly understand the current structure and contents of the database only. All of these test any changes on a test database only. create a complete backup of the operational database only. clearly understand the current structure and contents of the database only. All of these test any changes on a test database only. create a complete backup of the operational database only. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Correlated subqueries are similar to a regular subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
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