Database Redesign The NOT EXISTS keyword will be true if any row in the subquery meets the condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which is not true of a correlated subquery? The processing of the SELECT statements is nested. They are very similar to a regular subquery. They can be used to verify functional dependencies. EXISTS/NOT EXISTS is a form of a correlated subquery. The processing of the SELECT statements is nested. They are very similar to a regular subquery. They can be used to verify functional dependencies. EXISTS/NOT EXISTS is a form of a correlated subquery. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to delete columns from a table? MODIFY TABLE TableName DROP COLUMN ColumnName MODIFY TABLE TableName DROP ColumnName ALTER TABLE TableName DROP ColumnName ALTER TABLE TableName DROP COLUMN ColumnName MODIFY TABLE TableName DROP COLUMN ColumnName MODIFY TABLE TableName DROP ColumnName ALTER TABLE TableName DROP ColumnName ALTER TABLE TableName DROP COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. skeptical None of these ambivalent optimistic skeptical None of these ambivalent optimistic 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