WGU D426 V2 ACTUAL EXAM | COMPLETE QUESTIONS AND ANSWERS | 2026
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1. The relationship (within the relation) that describes Functional Dependency how the
value of one attribute may be used to find the value of another attribute.
2. An attribute that can be used to find the value of Determinant another attribute in the
relation.
3. Value can be used to find the value of every other Candidate Key non-key attribute in
the table. Unique and minimal.
4. Define & manage database structures DDL
5. Adding, deleting, and modifying data - Manipulates DML data stored in a
database.
6. Used to create user accounts, manage permissions DCL and access.
,7. Includes CREATE, DROP, ALTER, TRUNCATE, RENAME DDL
8. A view created and stored on the database. Under- Materialized View lying data is
changed and also updated in this view. Uses memory space.
9. Not stored in memory. Only computed when used or Virtual View accessed.
10. The data about the data. Describes elements such as Metadata columns, names, and
data type.
11. Ordered collection of elements in parentheses. Tuple
12. % of table rows selected by a query Hit Ration
13. Reads blocks directly, without accessing an index. Table Scan
14. Reads index blocks sequentially in order to locate the Index Scan needed table blocks.
, 15. Database repeatedly splits the index in two until it Binary Search finds a match.
16. Database object that maps one or more tables to a Tablespace single file.
17. Specifies tables, columns, and keys. Implements data- Logical Design base
requirements in a specific database system. Also called a schema.
18. Specifies indexes, table structures, and partitions. Physical Design Specifies how
tables are organized on storage media.
19. Components of a computer system and the relation- Architecture ships between
components.
20. Interact directly with database users and administra- Tools tors and send queries to the
query processor. Includes Connectors & APIs, Workbench, and utility programs.
LATEST UPDATED| 100% RATED CORRECT | GET A+!!
1. The relationship (within the relation) that describes Functional Dependency how the
value of one attribute may be used to find the value of another attribute.
2. An attribute that can be used to find the value of Determinant another attribute in the
relation.
3. Value can be used to find the value of every other Candidate Key non-key attribute in
the table. Unique and minimal.
4. Define & manage database structures DDL
5. Adding, deleting, and modifying data - Manipulates DML data stored in a
database.
6. Used to create user accounts, manage permissions DCL and access.
,7. Includes CREATE, DROP, ALTER, TRUNCATE, RENAME DDL
8. A view created and stored on the database. Under- Materialized View lying data is
changed and also updated in this view. Uses memory space.
9. Not stored in memory. Only computed when used or Virtual View accessed.
10. The data about the data. Describes elements such as Metadata columns, names, and
data type.
11. Ordered collection of elements in parentheses. Tuple
12. % of table rows selected by a query Hit Ration
13. Reads blocks directly, without accessing an index. Table Scan
14. Reads index blocks sequentially in order to locate the Index Scan needed table blocks.
, 15. Database repeatedly splits the index in two until it Binary Search finds a match.
16. Database object that maps one or more tables to a Tablespace single file.
17. Specifies tables, columns, and keys. Implements data- Logical Design base
requirements in a specific database system. Also called a schema.
18. Specifies indexes, table structures, and partitions. Physical Design Specifies how
tables are organized on storage media.
19. Components of a computer system and the relation- Architecture ships between
components.
20. Interact directly with database users and administra- Tools tors and send queries to the
query processor. Includes Connectors & APIs, Workbench, and utility programs.
