Database Redesign The EXISTS keyword will be true if: all rows in the subquery fail the condition only. both of these two conditions are met. any row in the subquery meets the condition only. neither of these two conditions is met. all rows in the subquery fail the condition only. both of these two conditions are met. any row in the subquery meets the condition only. neither of these two conditions is met. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The process of reading a database schema and producing a data model from that schema is known as: data modeling. database design. None of these reverse engineering. data modeling. database design. None of these reverse engineering. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? The processing of the SELECT statements is nested. They can be used to verify functional dependencies. EXISTS/NOT EXISTS is a form of a correlated subquery. They are very similar to a regular subquery. The processing of the SELECT statements is nested. They can be used to verify functional dependencies. EXISTS/NOT EXISTS is a form of a correlated subquery. They are very similar to a regular subquery. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process is a true logical model. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign To drop a column that is used as a foreign key, first: 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. drop the primary key. drop the foreign key constraint. All of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS