Database Redesign Changing cardinalities in a database is: is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a rare database design task, but does occur. a database design task that never occurs. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a rare database design task, but does occur. a database design task that never occurs. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The SQL-92 command to change a table name is RENAME TABLE. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A tool that can help designers understand the dependencies of database structures is a: dependency graph. data model. None of these graphical display. dependency graph. data model. None of these graphical display. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is not terribly difficult if the: database is relatively small. database is structured. database has no data. database is well-designed. database is relatively small. database is structured. database has no data. database is well-designed. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Three One Four Two Three One Four Two ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? Double use of NOT EXISTS NOT EXISTS None of these EXISTS Double use of NOT EXISTS NOT EXISTS None of these EXISTS ANSWER DOWNLOAD EXAMIANS APP
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