Database Redesign Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. False True False True 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 optimistic ambivalent None of these skeptical optimistic ambivalent ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery is processed from the bottom up. 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 Neither of the above actions will succeed Both of the above actions should succeed Changing a column data type from char to date Changing a column data type from numeric to char Neither of the above actions will succeed Both of the above actions should succeed Changing a column data type from char to date ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database has no data. 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. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to delete columns from a table? ALTER TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
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