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
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: first step. fourth step. second step. third step. first step. fourth step. second step. third 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 missing values 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 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. 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 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
Database Design Using Normalization When building a database from an existing set of tables, we still need to consider normalization principles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Eliminating modification anomalies is a(n) ________ of normalization. advantage neither an advantage nor disadvantage disadvantage either an advantage or disadvantage advantage neither an advantage nor disadvantage disadvantage either an advantage or disadvantage 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
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