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 What SQL command can be used to delete columns from a table? MODIFY TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP ColumnName 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 The EXISTS keyword will be true if any row in the subquery meets the condition. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Changing cardinalities in a database is: a rare database design task, but does occur. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a database design task that never occurs. a rare database design task, but does occur. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a database design task that never occurs. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Typically, there should be at least two different copies of the database schema used in the redesign process. True False True False ANSWER DOWNLOAD EXAMIANS APP
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