Database Redesign How many copies of the database schema are typically used in the redesign process? Two Four Three One Two Four Three One ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to delete columns from a table? 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 MODIFY TABLE TableName DROP COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A correlated subquery is processed as a nested subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
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 rare database design task, but does occur. a database design task that never occurs. a common database design task. is impossible to do, so a new database must be constructed and the data moved into it. a rare database design task, but does occur. a database design task that never occurs. a common database design task. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign It is not easy to build a database correctly the first time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Adding null columns to a table is straightforward. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS