Database Redesign The data model that is produced from reverse engineering is: a conceptual model. None of these a logical model. an internal model. a conceptual model. None of these a logical model. an internal model. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database is structured. database has no data. database is relatively small. database is well-designed. database is structured. database has no data. database is relatively small. database is well-designed. 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 How can you find rows that do not match some specified condition? EXISTS NOT EXISTS None of these Double use of NOT EXISTS EXISTS NOT EXISTS None of these Double use of NOT EXISTS 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 How many copies of the database schema are typically used in the redesign process? One Three Four Two One Three Four Two ANSWER DOWNLOAD EXAMIANS APP
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