Database Redesign The data model that is produced from reverse engineering is: an internal model. a conceptual model. None of these a logical model. an internal model. a conceptual model. None of these a logical model. 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
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 Although creating test databases is a critical and necessary job, there are few career opportunities in this area. 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. 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 Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. True False True False ANSWER DOWNLOAD EXAMIANS APP
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