Database Design Using Normalization Denormalized tables are in BCNF. 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: second step. fourth step. first step. third step. second step. fourth step. first step. third step. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the: third step. fourth step. first step. second step. third step. fourth step. first step. second step. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization In all cases, normalization into BCNF is desirable. 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 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 The multivalue, multicolumn problem 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? 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. Three rows have the values Brown, NULL, and Blue in the same column. ANSWER DOWNLOAD EXAMIANS APP