Database Redesign It is not easy to build a database correctly the first time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if: both of these two conditions are met. neither of these two conditions is met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. both of these two conditions are met. neither of these two conditions is met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? They can be used to verify functional dependencies. EXISTS/NOT EXISTS is a form of a correlated subquery. The processing of the SELECT statements is nested. They are very similar to a regular subquery. They can be used to verify functional dependencies. EXISTS/NOT EXISTS is a form of a correlated subquery. The processing of the SELECT statements is nested. They are very similar to a regular subquery. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. False True False True 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 Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database. True False True False ANSWER DOWNLOAD EXAMIANS APP