Database Design Using Normalization One common design problem when designing a database from existing data is the use of a general-purpose remarks column in the received data. False True False True 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. second step. first step. fourth step. third step. second step. first step. 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. 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, 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. 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, 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. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We have normalized a table into BCNF if all candidate keys are determinants. 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 missing values problem The inconsistent values problem The multivalue, multicolumn problem The general-purpose remarks column problem The missing values problem The inconsistent values problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Needing to using more complicated SQL in database applications is a(n) ________ of normalization. advantage either an advantage or disadvantage neither an advantage nor disadvantage disadvantage advantage either an advantage or disadvantage neither an advantage nor disadvantage disadvantage ANSWER DOWNLOAD EXAMIANS APP
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