Database Redesign To drop a column that is used as a foreign key, first: drop the primary key. All of these drop the foreign key constraint. drop the table containing the foreign key. drop the primary key. All of these drop the foreign key constraint. drop the table containing the foreign key. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if: any row in the subquery meets the condition. all rows in the subquery fail the condition. both of these two conditions are met. neither of these two conditions is met. any row in the subquery meets the condition. all rows in the subquery fail the condition. both of these two conditions are met. neither of these two conditions is met. ANSWER DOWNLOAD EXAMIANS APP
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 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 The use of the double NOT EXISTS can be used to find rows that do not match some specified condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? They can be used to verify functional dependencies. The processing of the SELECT statements is nested. EXISTS/NOT EXISTS is a form of a correlated subquery. They are very similar to a regular subquery. They can be used to verify functional dependencies. The processing of the SELECT statements is nested. EXISTS/NOT EXISTS is a form of a correlated subquery. They are very similar to a regular subquery. ANSWER DOWNLOAD EXAMIANS APP
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