Blog

In the relation EMPLOYEE(EmployeeNumber, FirstName, LastName, Department), which statement about Department is correct if it references DEPARTMENT(DepartmentName)?

Which activity belongs primarily to requirements analysis in the SDLC?

A relationship of degree 2 is called a:

Which is a typical characteristic of an enterprise-class database system?

Which is the primary purpose of a surrogate key such as ProductID generated by the DBMS?

An INNER JOIN returns only rows that satisfy the join condition.

A CHECK (unit_price >= 0) constraint helps prevent negative prices from being stored even if an application-side validation check is bypassed.

Which server is least likely to take advantage of data deduplication?

How are network attached storage (NAS) devices typically accessed over a network? (Choose two.)

Which Storage Spaces feature reduces data that exists on a volume in multiple places to a single instance, thereby reducing space used on the volume?