The data model produced from the reverse engineering process is a true logical model. False True TRUE ANSWER : ? YOUR ANSWER : ?
The data model that is produced from reverse engineering is: a logical model. an internal model. a conceptual model. None of these TRUE ANSWER : ? YOUR ANSWER : ?
If a database is built correctly the first time, it will not have to be redesigned. True False TRUE ANSWER : ? YOUR ANSWER : ?
To drop a column that is used as a foreign key, first: drop the table containing the foreign key. drop the primary key. drop the foreign key constraint. All of these TRUE ANSWER : ? YOUR ANSWER : ?
What SQL command can be used to add columns to a table? MODIFY TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName TRUE ANSWER : ? YOUR ANSWER : ?
What SQL command can be used to delete columns from a table? ALTER TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP COLUMN ColumnName TRUE ANSWER : ? YOUR ANSWER : ?
Which SQL-92 standard SQL command can be used to change a table name? RENAME TABLE None of these ALTER TABLE CHANGE TABLE TRUE ANSWER : ? YOUR ANSWER : ?
Information systems and organizations do not just influence each other; they create each other. True False TRUE ANSWER : ? YOUR ANSWER : ?
Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. True False TRUE ANSWER : ? YOUR ANSWER : ?