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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Needing to using more complicated SQL in database applications is a(n) ________ of normalization. neither an advantage nor disadvantage advantage disadvantage either an advantage or disadvantage neither an advantage nor disadvantage advantage disadvantage either an advantage or disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Denormalized tables are in BCNF. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems? The inconsistent values problem The multivalue, multicolumn problem The general-purpose remarks column problem The missing values problem The inconsistent values problem The multivalue, multicolumn problem The general-purpose remarks column problem The missing values problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Each answer below shows example data from a table. Which answer is an example of the multivalue, multicolumn problem? 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 Small Chair, Small Chair Brown, and Small Brown Chair in the same 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. 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 Small Chair, Small Chair Brown, and Small Brown Chair in the same 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. 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
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