Database Redesign If a database is built correctly the first time, it will not have to be redesigned. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Changing a column data type from numeric to char Both of the above actions should succeed Changing a column data type from char to date Neither of the above actions will succeed Changing a column data type from numeric to char Both of the above actions should succeed Changing a column data type from char to date Neither of the above actions will succeed ANSWER DOWNLOAD EXAMIANS APP
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 How can you find rows that do not match some specified condition? Double use of NOT EXISTS NOT EXISTS EXISTS None of these Double use of NOT EXISTS NOT EXISTS EXISTS None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The use of the double NOT EXISTS can be used to find rows that do not match some specified condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
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
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