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. 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, determining functional dependencies 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 you are given a set of tables and asked to create a database to store their data, the first step is to create the new database. False True False True 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. 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. 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. 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 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