Database Redesign Database redesign is not terribly difficult if the: database has no data. database is structured. database is well-designed. database is relatively small. database has no data. database is structured. database is well-designed. database is relatively small. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Three Two Four One Three Two Four One ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if: both of these two conditions are met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. neither of these two conditions is met. both of these two conditions are met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. neither of these two conditions is met. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Correlated subqueries are similar to a regular subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to add columns to a table? ALTER TABLE TableName ADD ColumnName ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD ColumnName ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? They are very similar to a regular subquery. EXISTS/NOT EXISTS is a form of a correlated subquery. They can be used to verify functional dependencies. The processing of the SELECT statements is nested. They are very similar to a regular subquery. EXISTS/NOT EXISTS is a form of a correlated subquery. They can be used to verify functional dependencies. The processing of the SELECT statements is nested. ANSWER DOWNLOAD EXAMIANS APP
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