Database Redesign How can you find rows that do not match some specified condition? NOT EXISTS None of these EXISTS Double use of NOT EXISTS NOT EXISTS None of these EXISTS Double use of NOT EXISTS ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Reverse engineering is the process of reading a database schema and producing a data model from that schema. True False True False 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 add columns to a table? MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? EXISTS/NOT EXISTS is a form of a correlated subquery. The processing of the SELECT statements is nested. They can be used to verify functional dependencies. They are very similar to a regular subquery. EXISTS/NOT EXISTS is a form of a correlated subquery. The processing of the SELECT statements is nested. They can be used to verify functional dependencies. They are very similar to a regular subquery. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A tool that can help designers understand the dependencies of database structures is a: None of these graphical display. data model. dependency graph. None of these graphical display. data model. dependency graph. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS