A regular subquery can be processed: None of these by nesting. from the bottom up. from the top down. TRUE ANSWER : ? YOUR ANSWER : ?
Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. ambivalent optimistic skeptical None of these TRUE ANSWER : ? YOUR ANSWER : ?
A tool that can help designers understand the dependencies of database structures is a: dependency graph. None of these graphical display. data model. TRUE ANSWER : ? YOUR ANSWER : ?
Database redesign is not terribly difficult if the: database is well-designed. database has no data. database is structured. database is relatively small. TRUE ANSWER : ? YOUR ANSWER : ?
The SQL-92 command to change a table name is RENAME TABLE. True False TRUE ANSWER : ? YOUR ANSWER : ?
What SQL command can be used to add columns to a table? MODIFY TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName TRUE ANSWER : ? YOUR ANSWER : ?
Typically, there should be at least two different copies of the database schema used in the redesign process. True False TRUE ANSWER : ? YOUR ANSWER : ?
How many copies of the database schema are typically used in the redesign process? One Three Two Four TRUE ANSWER : ? YOUR ANSWER : ?