Database Redesign Some organizations take the stand that no application should ever employ the true name of a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery is processed from the bottom up. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign To drop a column that is used as a foreign key, first: All of these drop the foreign key constraint. drop the primary key. drop the table containing the foreign key. All of these drop the foreign key constraint. drop the primary key. drop the table containing the foreign key. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Before any changes to database structure are attempted one should first: create a complete backup of the operational database only. clearly understand the current structure and contents of the database only. test any changes on a test database only. All of these create a complete backup of the operational database only. clearly understand the current structure and contents of the database only. test any changes on a test database only. All of these ANSWER DOWNLOAD EXAMIANS APP
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 Correlated subqueries are similar to a regular subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS