Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT SELECT UNIQUE All of these SELECT DISTINCT None of these SELECT DIFFERENT SELECT UNIQUE All of these SELECT DISTINCT None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): transitive dependency. insertion anomaly. normal form. referential integrity constraint. transitive dependency. insertion anomaly. normal form. referential integrity constraint. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → B → (A,B) is a composite determinant. C is a determinant. A → B → (A,B) is a composite determinant. C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has both of the listed here more rows than the original table more fields than the original table none of the listed here both of the listed here more rows than the original table more fields than the original table none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Relations Queries Domains All of the listed here Relations Queries Domains All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? relational network tree chain relational network tree chain ANSWER DOWNLOAD EXAMIANS APP
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