WGU D426 OBJECTIVE ASSESSMENT FINAL EXAM NEWEST 2026 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
Question 1: A ______ is a column, or a group of columns, used
to identify a row
CORRECT ANSWER: Primary Key
Question 2: A _____ consists of a single column
CORRECT ANSWER: Simple Primary Key
Question 3: A ______ consists of multiple columns
CORRECT ANSWER: Composite Primary Key
Question 4: All primary key columns are necessary for
uniqueness. When any column is removed, the resulting simple
or composite column is no longer unique.
CORRECT ANSWER: Minimal
Question 5: The ______ constraint in a CREATE TABLE
statement names the table's ______. The _____ constraint
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