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 The design guidelines and priorities for read-only databases are different because read-only databases are never updated. True False True False 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, 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. One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. 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. One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When assessing the table structure of an acquired set of tables with data, determining foreign keys is (part of) the: third step. fourth step. second step. first step. third step. fourth step. second step. first step. 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: third step. first step. fourth step. second step. third step. first step. fourth step. second step. 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. neither an advantage nor disadvantage either an advantage or disadvantage advantage disadvantage neither an advantage nor disadvantage either an advantage or disadvantage advantage disadvantage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS