Database Design Using Normalization Most of the time, modification anomalies are serious enough that tables should be normalized into: 1NF. 3NF. BCNF. 2NF. 1NF. 3NF. BCNF. 2NF. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization One common design problem when designing a database from existing data is the use of a general-purpose remarks column in the received data. True False True False 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 inconsistent values problem The multivalue, multicolumn problem The general-purpose remarks column problem The missing values problem The inconsistent values problem The multivalue, multicolumn problem The general-purpose remarks column problem The missing values problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Needing to assess the validity of assumed referential integrity constraints on foreign keys is a(n) ________ of normalization. advantage either an advantage or disadvantage neither an advantage nor disadvantage disadvantage advantage either an advantage or disadvantage neither an advantage nor disadvantage disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Normalization ________ data duplication. eliminates increases maximizes reduces eliminates increases maximizes reduces ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When building a database from an existing set of tables, we may safely assume that referential integrity constraints have been enforced on the data we are given. False True False True ANSWER DOWNLOAD EXAMIANS APP