Database Design Using Normalization We use the SQL construct COUNT(*) to count the number of rows in a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Creating a read-only database is a task that is ________ assigned to beginning database professionals. seldom never always commonly seldom never always commonly ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When building a database from an existing set of tables, we may safely assume that there are no multivalued dependencies in the data we are given. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When building a database from an existing set of tables, we still need to consider normalization principles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization One common design problem when designing a database from existing data is the use of a single cell in one column to store multiple values of an attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP