Which dimension technique is used to track historical changes in dimension attribute values?

Which join operation is most likely to produce duplicate rows when the join condition is not selective?

Which of the following best describes the object-based model used for semi-structured data representation?

Which type of join returns all rows from the right table and matching rows from the left table?

52.   54 A table violating BCNF can still be in 3NF if:

During physical database design, denormalization may be performed to:

Which system is optimized for processing large volumes of unstructured logs generated by applications?

In SQL filtering, which operator is most appropriate for matching values that fall outside a specific numeric range?

Which SQL statement is used specifically to remove a table and all of its data permanently from the database?

In data modeling, a primary key must satisfy which two properties?