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 When building a database from an existing set of tables, we may safely assume that referential integrity constraints have been enforced on the data we are given. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Denormalized tables are in BCNF. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Multivalued dependencies should ________ be eliminated. never seldom commonly always never seldom commonly always 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 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. 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. ANSWER DOWNLOAD EXAMIANS APP