Database Design Using Normalization Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems? The missing values problem The inconsistent values problem The general-purpose remarks column problem The multivalue, multicolumn problem The missing values problem The inconsistent values problem The general-purpose remarks column problem The multivalue, multicolumn problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Needing to using more complicated SQL in database applications is a(n) ________ of normalization. disadvantage neither an advantage nor disadvantage advantage either an advantage or disadvantage disadvantage neither an advantage nor disadvantage advantage either an advantage or disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We use the SQL construct COLUMNS(*) to determine the number and type of columns in a table. False True False True 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 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
Database Design Using Normalization Most of the time, modification anomalies are serious enough that tables should be normalized into: 1NF. BCNF. 3NF. 2NF. 1NF. BCNF. 3NF. 2NF. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS