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, 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. 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. 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 missing values problem The inconsistent values problem The general-purpose remarks column problem The multivalue, multicolumn problem The missing values problem The inconsistent values problem The general-purpose remarks column problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We use the SQL construct COUNT(*) to count the number of rows in a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Read-only databases are ________ updated. always seldom commonly never always seldom commonly never ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Multivalued dependencies should ________ be eliminated. always seldom commonly never always seldom commonly never ANSWER DOWNLOAD EXAMIANS APP
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
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