Database Redesign A correlated subquery is processed as a nested subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if: all rows in the subquery fail the condition only. any row in the subquery meets the condition only. neither of these two conditions is met. both of these two conditions are met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. neither of these two conditions is met. both of these two conditions are met. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database is structured. database has no data. database is well-designed. database is relatively small. database is structured. database has no data. database is well-designed. database is relatively small. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model that is produced from reverse engineering is: a conceptual model. an internal model. None of these a logical model. a conceptual model. an internal model. None of these a logical model. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A tool that can help designers understand the dependencies of database structures is a: data model. None of these dependency graph. graphical display. data model. None of these dependency graph. graphical display. 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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