Database Redesign Changing cardinalities in a database is: 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. a common database design task. is impossible to do, so a new database must be constructed and the data moved into it. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. ambivalent None of these skeptical optimistic ambivalent None of these skeptical optimistic ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery can be processed: from the top down. from the bottom up. by nesting. None of these from the top down. from the bottom up. by nesting. None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Two One Four Three Two One Four Three ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which SQL-92 standard SQL command can be used to change a table name? ALTER TABLE RENAME TABLE CHANGE TABLE None of these ALTER TABLE RENAME TABLE CHANGE TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Adding null columns to a table is straightforward. True False True False ANSWER DOWNLOAD EXAMIANS APP
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