Database Design Using Normalization Proper normalization eliminates duplicated data. 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 inconsistent values problem The missing values problem The general-purpose remarks column problem The multivalue, multicolumn problem The inconsistent values problem The missing values problem The general-purpose remarks column problem The multivalue, multicolumn problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Most of the time, modification anomalies cause problems that are severe enough that a table should be normalized into BCNF. 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 inconsistent 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. 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 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. 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 Multivalued dependencies should ________ be eliminated. never always commonly seldom never always commonly seldom ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We can eliminate modification anomalies with proper normalization that results in tables in BCNF. False True False True ANSWER DOWNLOAD EXAMIANS APP
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