BRAINSCAPE1
WGU D426 V2 Exam with complete solutions
latest version
1. The relationship (within the relation) that describes how the value of one
attribute may be used to find the value of another attribute.: Functional Dependency
2. An attribute that can be used to find the value of another attribute in the
relation.: Determinant
3. Value can be used to find the value of every other non-key attribute in the
table. Unique and minimal.: Candidate Key
4. Define & manage database structures: DDL
5. Adding, deleting, and modifying data - Manipulates data stored in a data-
base.: DML
6. Used to create user accounts, manage permissions and access.: DCL
7. Includes CREATE, DROP, ALTER, TRUNCATE, RENAME: DDL
8. A view created and stored on the database. Underlying data is changed and
also updated in this view. Uses memory space.: Materialized View
9. Not stored in memory. Only computed when used or accessed.: Virtual View
10. The data about the data. Describes elements such as columns, names, and
data type.: Metadata
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 needed table blocks.-
: Index Scan
15. Database repeatedly splits the index in two until it finds a match.: Binary Search
16. Database object that maps one or more tables to a single file.: Tablespace
, BRAINSCAPE1
17. Specifies tables, columns, and keys. Implements database requirements in
a specific database system. Also called a schema.: Logical Design
18. Specifies indexes, table structures, and partitions. Specifies how tables are
organized on storage media.: Physical Design
19. Components of a computer system and the relationships between compo-
nents.: Architecture
20. Interact directly with database users and administrators and send queries
to the query processor. Includes Connectors & APIs, Workbench, and utility
programs.: Tools
WGU D426 V2 Exam with complete solutions
latest version
1. The relationship (within the relation) that describes how the value of one
attribute may be used to find the value of another attribute.: Functional Dependency
2. An attribute that can be used to find the value of another attribute in the
relation.: Determinant
3. Value can be used to find the value of every other non-key attribute in the
table. Unique and minimal.: Candidate Key
4. Define & manage database structures: DDL
5. Adding, deleting, and modifying data - Manipulates data stored in a data-
base.: DML
6. Used to create user accounts, manage permissions and access.: DCL
7. Includes CREATE, DROP, ALTER, TRUNCATE, RENAME: DDL
8. A view created and stored on the database. Underlying data is changed and
also updated in this view. Uses memory space.: Materialized View
9. Not stored in memory. Only computed when used or accessed.: Virtual View
10. The data about the data. Describes elements such as columns, names, and
data type.: Metadata
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 needed table blocks.-
: Index Scan
15. Database repeatedly splits the index in two until it finds a match.: Binary Search
16. Database object that maps one or more tables to a single file.: Tablespace
, BRAINSCAPE1
17. Specifies tables, columns, and keys. Implements database requirements in
a specific database system. Also called a schema.: Logical Design
18. Specifies indexes, table structures, and partitions. Specifies how tables are
organized on storage media.: Physical Design
19. Components of a computer system and the relationships between compo-
nents.: Architecture
20. Interact directly with database users and administrators and send queries
to the query processor. Includes Connectors & APIs, Workbench, and utility
programs.: Tools
