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 Database redesign is especially difficult if the database has no data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A correlated subquery is processed as a nested subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign To drop a column that is used as a foreign key, first: drop the table containing the foreign key. drop the primary key. drop the foreign key constraint. All of these drop the table containing the foreign key. drop the primary key. drop the foreign key constraint. All of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Neither of the above actions will succeed Changing a column data type from char to date Both of the above actions should succeed Changing a column data type from numeric to char Neither of the above actions will succeed Changing a column data type from char to date Both of the above actions should succeed Changing a column data type from numeric to char 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
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