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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the: third step. first step. fourth step. second step. third step. first step. fourth step. second step. 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 Most of the time, modification anomalies are serious enough that tables should be normalized into: BCNF. 1NF. 2NF. 3NF. BCNF. 1NF. 2NF. 3NF. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization For a number of reasons, normalizations is not often an advantage for a(n) ________ database. read-only either a read-only or an updateable None of these updateable read-only either a read-only or an updateable None of these updateable ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Each answer below shows example data from a table. Which answer is an example of the missing values problem? Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column. One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. Three rows have the values Brown, NULL, and Blue in the same column. Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column. One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. Three rows have the values Brown, NULL, and Blue in the same column. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS