Database Redesign To drop a column that is used as a foreign key, first: drop the primary key. drop the table containing the foreign key. drop the foreign key constraint. All of these drop the primary key. drop the table containing the foreign key. drop the foreign key constraint. All of these 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 common database design task. a rare database design task, but does occur. a database design task that never occurs. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a rare database design task, but does occur. a database design task that never occurs. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Reverse engineering is the process of reading a database schema and producing a data model from that schema. True False True False 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 How can you find rows that do not match some specified condition? Double use of NOT EXISTS None of these NOT EXISTS EXISTS Double use of NOT EXISTS None of these NOT EXISTS EXISTS ANSWER DOWNLOAD EXAMIANS APP
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