Database Design Using Normalization One common design problem when designing a database from existing data is the presence of missing values, called blank values, in received data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems? The multivalue, multicolumn problem The missing values problem The general-purpose remarks column problem The inconsistent values problem The multivalue, multicolumn problem The missing values problem The general-purpose remarks column problem The inconsistent values problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Read-only databases are ________ updated. always seldom commonly never always seldom commonly never ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We have normalized a table into BCNF if all candidate keys are determinants. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Eliminating modification anomalies is a(n) ________ of normalization. either an advantage or disadvantage disadvantage advantage neither an advantage nor disadvantage either an advantage or disadvantage disadvantage advantage neither an advantage nor disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Normalization ________ data duplication. increases maximizes reduces eliminates increases maximizes reduces eliminates ANSWER DOWNLOAD EXAMIANS APP