Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As relations tables tuple None of these both (a) and (b) relations tables tuple None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these All of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE None of these All of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data bank database data file data record data bank database data file data record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema restricts the structure to a one-to-many relationship All of the listed here stores data in tables permits many-to-many relation¬ships restricts the structure to a one-to-many relationship All of the listed here stores data in tables permits many-to-many relation¬ships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
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