Database Redesign Although creating test databases is a critical and necessary job, there are few career opportunities in this area. 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. all rows in the subquery fail the condition. both of these two conditions are met. neither of these two conditions is met. any row in the subquery meets the condition. all rows in the subquery fail the condition. both of these two conditions are met. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Both of the above actions should succeed Changing a column data type from numeric to char Changing a column data type from char to date Neither of the above actions will succeed Both of the above actions should succeed Changing a column data type from numeric to char Changing a column data type from char to date Neither of the above actions will succeed 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 Database redesign is not terribly difficult if the: database is well-designed. database is relatively small. database is structured. database has no data. database is well-designed. database is relatively small. database is structured. database has no data. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process does not include intersection table data. False True False True ANSWER DOWNLOAD EXAMIANS APP
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