Database Redesign The process of reading a database schema and producing a data model from that schema is known as: None of these reverse engineering. data modeling. database design. None of these reverse engineering. data modeling. database design. 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. True False True False 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 To drop a column that is used as a foreign key, first: drop the foreign key constraint. drop the table containing the foreign key. All of these drop the primary key. drop the foreign key constraint. drop the table containing the foreign key. All of these drop the primary key. 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 Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. None of these skeptical ambivalent optimistic None of these skeptical ambivalent optimistic ANSWER DOWNLOAD EXAMIANS APP
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