Database Design Using Normalization When building a database from an existing set of tables, we may safely assume that there are no multivalued dependencies in the data we are given. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization One common design problem when designing a database from existing data is the presence of inconsistent values in the received data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated. 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 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. Three rows have the values Brown, NULL, and Blue in the same column. 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
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: second step. first step. third step. fourth step. second step. first step. third step. fourth step. ANSWER DOWNLOAD EXAMIANS APP
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