Top 50+ Solved FIle Structure and Organization MCQ Questions Answer
Q. An Oracle object type has two parts the _________ and__________
a. Instance and body
b. Segment and blocks
c. Specification and body
d. Body and segment
Q. A(n) _________ can be used to preserve the integrity of a document or a message.
a. Message digest
b. Message summary
c. Encrypted message
d. None of the mentioned
Q. What is the main limitation of Hierarchical Databases?
a. Limited capacity (unable to hold much datA:)
b. Limited flexibility in accessing data
c. Overhead associated with maintaining indexes
d. The performance of the database is poor
Q. The property (or set of properties) that uniquely defines each row in a table is called the:
a. Identifier
b. Index
c. Primary key
d. Symmetric key
Q. The separation of the data definition from the program is known as:
a. Data dictionary
b. Data independence
c. Data integrity
d. Referential integrity
Q. The traditional storage of data that is organized by customer, stored in separate foldersin filing cabinets is an example of what type of ‘database’ system?
a. Hierarchical
b. Network
c. Object oriented
d. Relational
Q. The database design that consists of multiple tables that are linked together throughmatching data stored in each table is called
a. Hierarchical database
b. Network database
c. Object oriented database
d. Relational database
Q. The association role defines:
a. How tables are related in the database
b. The relationship between the class diagram and the tables in the database
c. The tables that each attribute is contained
d. Which attribute is the table’s primary key
Q. The purpose of an N-Ary association is:
a. To capture a parent-child relationship
b. To deal with one to many relationships
c. To deal with relationships that involve more than two tables
d. To represent an inheritance relationship
Q. In ordered indices the file containing the records is sequentially ordered, a___________ is an index whose search key also defines the sequential order of the file.
a. Clustered index
b. Structured index
c. Unstructured index
d. Nonclustered index
Q. Indices whose search key specifies an order different from the sequential order of thefile are called ___________ indices.
a. Nonclustered
b. Secondary
c. All of the mentioned
d. None of the mentioned
Q. An ____________ consists of a search-key value and pointers to one or more recordswith that value as their search-key value.
a. Index entry
b. Index hash
c. Index cluster
d. Index map
Q. In a __________ index, an index entry appears for only some of the search-key values.
a. Dense
b. Sparse
c. Straight
d. Continuous