Which of the following is the advantage of computerized data processing?
Reduced data entry, storage, and retrieval costs
Facilitated development of new applications program
Improved data access to users through use of host and query languages
The chances of errors are less in computerized data processing.
Which of the following statement is correct about SQL?
It is a subset of procedural programming that enforces a logical structure on the program
It is a query language used for accessing and modifying information in a database
It is a collection of interrelated data and set of programs to access those data
It is a language that enables users to access or manipulate data as organized by the data model.
Which option specifies the maximum characters that can be entered in the field?
Field
Format
Length
Record
Which of the following statement is correct about sorting?
It is a process to select a desired specific data from a database
It is the process of arranging the data in a table in some order
It is a process of joining data from two or more tables of the same or different databases
It is a process of performing corrections on the existing data
The database can be classified into
2
4
5
6
Which database is very similar to the hierarchical structure?
Network database
Hierarchical database
Relational database
Object Oriented database
Which key uniquely identifies a record in a database table?
Foreign key
Private key
Primary key
Candidate key
Which data base file consists of a single data table?
Data file
Flat file
Disk file
Record file
Which of the following is not a database type?
Flat – File database
Navigational database
Which among the following is the correct definition of information?
set of processed data that convey the relationship between data considered
is a particular way of storing and organizing data in a computer
Set of organized collection of data.
It is a classification identifying one of various types of data