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 Normalization ________ data duplication. maximizes reduces eliminates increases maximizes reduces eliminates increases 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 cause problems that are severe enough that a table should be normalized into BCNF. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Multivalued dependencies should ________ be eliminated. always commonly never seldom always commonly never seldom 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 rows have the values Brown, NULL, and Blue in the same column. Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column. Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. 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 rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column. Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. ANSWER DOWNLOAD EXAMIANS APP