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
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 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. 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, 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. 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, NULL, and Blue in the same column. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When assessing the table structure of an acquired set of tables with data, determining primary keys is (part of) the: fourth step. third step. first step. second step. fourth step. third step. first step. second step. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Normalization requires programmers to write more complex SQL. 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 general-purpose remarks column problem The inconsistent values problem The multivalue, multicolumn problem The missing values problem The general-purpose remarks column problem The inconsistent values problem The multivalue, multicolumn problem The missing values problem ANSWER DOWNLOAD EXAMIANS APP
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