Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application data mining database application e-commerce database application single-user database application multiuser database application data mining database application e-commerce database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? ERASE TABLE UNATTACH TABLE DELETE TABLE DROP TABLE ERASE TABLE UNATTACH TABLE DELETE TABLE DROP TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Strong entity Weak entity ID-dependent entity ID- independent entity Strong entity Weak entity ID-dependent entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: transitive dependencies. normal forms. modification anomalies. referential integrity constraints. transitive dependencies. normal forms. modification anomalies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation ALTER INDEX MODIFY INDEX REDEFINE INDEX None of these DO INDEX ALTER INDEX MODIFY INDEX REDEFINE INDEX None of these DO INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data item field data base record data item field data base record ANSWER DOWNLOAD EXAMIANS APP
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