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#1. A computer checks the …… of username and password for a match before granting access.
#2. A ……… is a collection of data that is stored electronically as a series of records in a table.
#3. A collection of interrelated records is called a
#4. Which of the following is the organised collection of large amount of interrelated data stored in a meaningful way used for manipulation and updating?
#5. Items such as names and addresses are considered as
#6. Which type of database, organised the data in the form of tree with nodes?
#7. The database stores information in
#8. To locate a data item for storage is
#9. Devices that could be used to input data into a database are
#10. In a relational database, a data structure that organises the information about a single topic into rows and columns, is
#11. The smallest unit of information about a record in a database is called a
#12. ……… are distinct items that don’t have much meaning to you in a given context.
#13. The cardinality property of a relation, refers to the
#14. Rows of a relation are called
#15. A collection of related files is called a
#16. In the relational modes, cardinality is termed as
#17. Which of the following contains information about a single ‘entity’ in the database like a person, place, event or thing?
#18. DBMS is comprised of tables that made up of rows called ……… and columns called ……… .
#19. What is a stored question about information in a database?
#20. A program that generally has more user-friendly interface than a DBMS is called a
#21. Which of the following objects is/are contained in database?
#22. Which of the following places the common data elements in order from smallest to largest?
#23. What is the overall term for creating, editing, formatting, storing, retrieving a text document?
#24. The database administrator’s function in an organisation is
#25. The code that relational database management systems use to perform their database task is referred to as
#26. DBMS helps to achieve
#27. Which out of the following is not a DBMS software?
#28. In which, the database can be restored up to the last consistent state after the system failure?
#29. ………… provides total solutions to reduce data redundancy, inconsistency, dependence and unauthorised access of data.
#30. Periodically adding, changing and deleting file records is called ……… file.
#31. Architecture of database management can be viewed as
#32. A collection of conceptual tools for describing data, relationships, semantics and constraints is referred to as
#33. ……… is one reason for problems of data integrity.
#34. ……… means that the data contained in a database is accurate and reliable.
#35. Which of the following contains data descriptions and defines the name, data type and length of each field in the database?
#36. An advantage of the database management approach is
#37. Which of the following is the drawback of DBMS?
#38. In which of the following, database are used?
#39. A database that contains tables linked by common fields is called a
#40. Oracle is a (n)
#41. A set of possible data values is called
#42. The purpose of the primary key in a database is to
#43. In case of entity integrity, the primary key may be
#44. In files, there is a key associated with each record which is used to differentiate among different records. For every file, there is atleast one set of keysthat isunique. Such a key is called
#45. Which of the following types of table constraints will prevent the entry of duplicate rows?
#46. The particular field of a record that uniquely identifies each record is called the
#47. ……… is a primary key of one file that also appears in another file.
#48. ……… is an invalid type of database key.
#49. Key to represent relationship between tables is called
#50. Dr. E F Codd represented ……… rules that a database must obey if it has to be considered truly relational.
#51. A logical schema
#52. Data duplication wastes the space, but also promotes a more serious problem called
#53. When data changes in multiple lists and all lists are not updated. This causes
#54. Which database language is used to access data in existing database?
#55. An E-R diagram is a graphic method of presenting
#56. In an E-R diagram, an entity set is are represented by
#57. In an E-R diagram, attributes are represented by
#58. In E-R diagram, relationship type is represented by
#59. An entity set that does not have sufficient attributes to form a primary key, is a
#60. Relationship can be divided into