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 When assessing the table structure of an acquired set of tables with data, determining primary keys is (part of) the: first step. third step. fourth step. second step. first step. third step. fourth step. second step. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We use the SQL construct COUNT(*) to count the number of rows in a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Most of the time, modification anomalies are serious enough that tables should be normalized into: 1NF. 2NF. BCNF. 3NF. 1NF. 2NF. BCNF. 3NF. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Needing to using more complicated SQL in database applications is a(n) ________ of normalization. disadvantage either an advantage or disadvantage advantage neither an advantage nor disadvantage disadvantage either an advantage or disadvantage advantage neither an advantage nor disadvantage 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 neither an advantage nor disadvantage either an advantage or disadvantage disadvantage advantage neither an advantage nor disadvantage either an advantage or disadvantage disadvantage ANSWER DOWNLOAD EXAMIANS APP