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 How can you find rows that do not match some specified condition? None of these EXISTS Double use of NOT EXISTS NOT EXISTS None of these EXISTS Double use of NOT EXISTS NOT EXISTS ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Information systems and organizations do not just influence each other; they create each other. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A tool that can help designers understand the dependencies of database structures is a: None of these data model. dependency graph. graphical display. None of these data model. dependency graph. graphical display. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database has no data. database is relatively small. database is well-designed. database is structured. database has no data. database is relatively small. database is well-designed. database is structured. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to add columns to a table? ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD ColumnName ANSWER DOWNLOAD EXAMIANS APP
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