Database Redesign Correlated subqueries are similar to a regular subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign To drop a column that is used as a foreign key, first: drop the primary key. drop the foreign key constraint. All of these drop the table containing the foreign key. drop the primary key. drop the foreign key constraint. All of these drop the table containing the foreign key. 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 rare database design task, but does occur. a database design task that never occurs. a common database design task. is impossible to do, so a new database must be constructed and the data moved into it. a rare database design task, but does occur. a database design task that never occurs. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process does not include intersection table data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? They can be used to verify functional dependencies. They are very similar to a regular subquery. The processing of the SELECT statements is nested. EXISTS/NOT EXISTS is a form of a correlated subquery. They can be used to verify functional dependencies. They are very similar to a regular subquery. The processing of the SELECT statements is nested. EXISTS/NOT EXISTS is a form of a correlated subquery. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery is processed from the bottom up. True False True False ANSWER DOWNLOAD EXAMIANS APP
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