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 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 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization The design guidelines and priorities for read-only databases are different because read-only databases are never updated. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We use the SQL construct COLUMNS(*) to determine the number and type of columns in a table. 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, 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 Read-only databases are ________ updated. never always commonly seldom never always commonly seldom ANSWER DOWNLOAD EXAMIANS APP
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