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Test your basic knowledge |
Database Fundamentals
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A query that deletes all records that satisfy some criterion
SQL (Structured Query Language)
Intersection
Database Administration (DBA)
Delete Query
2. The column on which two tables are joined
Secondary Sort Key
Join Column
Stored Procedure
Criteria
3. Combination of criteria in which both criteria must be true
Relation
Database Administration (DBA)
AND Criterion
Null
4. What type of an operator is >= ?
Relational Algebra
Entity
Subquery
Comparison Operator
5. An index built on a single field
Entity
Relational Database
Field
Single-Column Index
6. The SQL command that drops (deletes) a table from a database
DROP TABLE
Unnormalized Relation
Relation
Sort Key
7. A collection of actions in Access that are performed in response to an associated database operation - such as inserting or updating or deleting records.
OR Criterion
Data File
Data Macro
Foreign Key
8. A rule that must be followed by data in a database
Foreign Key
Qualify
Data Independence
Integrity Constraint
9. The part of an SQL SELECT command that indicates a sort order
ORDER BY Clause
Union
Division
Unnormalized Relation
10. An access query that creates a table using the results of a query
UPDATE
Delimiter
Product
Make-Table Query
11. A statement the can be either true or false. Also called a condition
CREATE TABLE
Criterion
Data Independence
Sort Key
12. In Access the query that updates the contents of a table
Unnormalized Relation
Referential Integrity
Update Query
One-to-Many Relationship
13. The area of memory in MySQL that stores the most recently entered command
Query-By-Example (QBE)
Compound Conditions
Statement History
Primary Sort Key
14. The process of arranging rows in a table or results of a query in a particular order
Sort
Stored Procedure
Criteria
Intersection
15. A database has integrity if the data in it satisfies all established integrity constraints
PROJECT
Grouping
Integrity
Form
16. The plural of Criterion
Criteria
Relation
PROJECT
Delete Query
17. The SQL command used to describe the layout of a table. The word table is followed by the name of the table to be created and then by the names and data types of the column (fields) that comprise the table
Data Independence
Security
Redundancy
CREATE TABLE
18. The table obtained by concatenating every row in the first table with every row in the second table
Product
Join
Design Grid
Union
19. When sorting on two fields this is the more important field
One-to-Many Relationship
Major Sort Key
Relation
Form
20. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on
SQL (Structured Query Language)
Relational Database
Design Grid
Index Key
21. A Characteristic or property of an entity
Validation Rule
Column
PROJECT
Database Administration (DBA)
22. A screen object you use to maintain or view and print data from a database
Delete Query
Multiple-Field Index
Form
Column
23. A query in SQL that appears within another
Criteria
Subquery
Form
Sort
24. The relational algebra command for performing the difference of two tables
Qualify
Field
SUBTRACT
Stored Procedure
25. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
Qualify
Entity-Relationship (E-R) Diagram
Repeating Groups
Stored Procedure
26. The combination of two or more rows in an operation - such as a join - or the combination of two or more columns for a primary key field to uniquely identify a given row in a table
Compound Criteria
Concatenation
OR Criterion
Security
27. A person or place or object or event or idea for which you want to store and process data
Integrity Constraint
Entity
CHECK
Redundancy
28. A characteristic or property of an entity
Delete Query
DELETE
Referential Integrity
Attribute
29. A statement the can be either true or false. Also called a condition
Repeating Groups
Grouping
Query
Criterion
30. The SQL clause that is used to enforce legal-values integrity
WHERE Clause
Foreign Key
CHECK
Query
31. A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate
Entity-Relationship (E-R) Diagram
Sysviews
Integrity
Multiple-Field Index
32. A computer that provides services to the clients in a client/server system
Query-By-Example (QBE)
Integrity
Server
Database
33. A structure that contains information about the objects (tables or columns or indexes or views and so on) in a database
Redundancy
System Catalog
Entity-Relationship (E-R) Diagram
ORDER BY Clause
34. The part of an SQL SELECT command that indicates the columns to be included in the query results
One-to-Many Relationship
INSERT
SELECT Clause
Redundancy
35. An association between entities
Relationship
CHECK
Primary Sort Key
Column
36. A screen object you use to maintain or view and print data from a database
Grouping
Form
Cascade Update
Relational Database
37. When comparing tables an intersection is a new table containing all rows that are in both original tables
Intersection
Database Administrator (DBA)
Unnormalized Relation
FOREIGN KEY
38. A characteristic or property of an entity
Criteria
Simple Condition
Integrity
Field
39. A database has integrity if the data in it satisfies all established integrity constraints
Intersection
Integrity
Union Compatible
SUBTRACT
40. An access tool that provides documentation about the objects in a database
Documenter
Security
Union
Relationship
41. A characteristic or property of an entity
Server
Join Line
Integrity Constraint
Field
42. A file containing a collection of compiled and optimized SQL statements that are available for future use
Database
Update Query
ORDER BY Clause
Stored Procedure
43. The individual or group that is responsible for a database
Validation Rule
Database Administration (DBA)
PRIMARY KEY
FOREIGN KEY
44. In an Access query the line drawn between tables to indicate how they are related
View
Join Line
Systables
Syscolumns
45. The relational algebra command used to select columns from a table
PROJECT
Command
Database Management System (DBMS)
Data Independence
46. An access query that creates a table using the results of a query
Form
Make-Table Query
Statement History
WHERE Clause
47. A data value meaning "unknown" or "not applicable"
Null
System Catalog
Entity-Relationship (E-R) Diagram
Design Grid
48. The individual who is responsible for a database or the head of database administration
Systables
Primary Key
Database Administrator (DBA)
Relationship
49. The rule that no column (attribute) that is part of the primary key may accept null values
Entity Integrity
Make-Table Query
Compound Conditions
Query-By-Example (QBE)
50. A collection of relations
Computed Field
Relational Database
Secondary Sort Key
Null