Database Design Using Normalization Most of the time, modification anomalies are serious enough that tables should be normalized into: 2NF. BCNF. 3NF. 1NF. 2NF. BCNF. 3NF. 1NF. 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? Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. 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. 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 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. 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 Normalization requires programmers to write more complex SQL. False True False True 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 multivalue, multicolumn problem The general-purpose remarks column problem The inconsistent values problem The missing values problem The multivalue, multicolumn problem The general-purpose remarks column problem The inconsistent values problem The missing values problem 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 either an advantage or disadvantage disadvantage neither an advantage nor disadvantage advantage either an advantage or disadvantage disadvantage 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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