Database Redesign The data model produced from the reverse engineering process is a true logical model. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following SQL statements are helpful in database redesign? None of these Both of the above are helpful Correlated subqueries only EXISTS/NOT EXISTS expressions only None of these Both of the above are helpful Correlated subqueries only EXISTS/NOT EXISTS expressions only ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. ambivalent None of these optimistic skeptical ambivalent None of these optimistic skeptical ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Typically, there should be at least two different copies of the database schema used in the redesign process. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? NOT EXISTS None of these EXISTS Double use of NOT EXISTS NOT EXISTS None of these EXISTS Double use of NOT EXISTS ANSWER DOWNLOAD EXAMIANS APP
Database Redesign If a database is built correctly the first time, it will not have to be redesigned. True False True False ANSWER DOWNLOAD EXAMIANS APP
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