Database Redesign The NOT EXISTS keyword will be true if: neither of these two conditions is met. any row in the subquery meets the condition. both of these two conditions are met. all rows in the subquery fail the condition. neither of these two conditions is met. any row in the subquery meets the condition. both of these two conditions are met. all rows in the subquery fail the condition. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Changing cardinalities in a database is: a rare database design task, but does occur. a database design task that never occurs. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a rare database design task, but does occur. a database design task that never occurs. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Correlated subqueries are similar to a regular subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign It is not easy to build a database correctly the first time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery can be processed: from the bottom up. by nesting. from the top down. None of these from the bottom up. by nesting. from the top down. None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Although creating test databases is a critical and necessary job, there are few career opportunities in this area. False True False True ANSWER DOWNLOAD EXAMIANS APP
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