Database Redesign A correlated subquery is processed as a nested subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if any row in the subquery meets the condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database is well-designed. database has no data. database is structured. database is relatively small. database is well-designed. database has no data. database is structured. database is relatively small. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Changing cardinalities in a database is: a database design task that never occurs. a common database design task. 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 database design task that never occurs. a common database design task. 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
Database Redesign The NOT EXISTS keyword will be true if: neither of these two conditions is met. both of these two conditions are met. any row in the subquery meets the condition. all rows in the subquery fail the condition. neither of these two conditions is met. both of these two conditions are met. any row in the subquery meets the condition. all rows in the subquery fail the condition. 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
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