data independence

mcqspedia.com has 4 Question/Answers about Topic data independence

Type of data independence in which internal schema can be modified without modifying conceptual schema is classified as

Type of data independence in which internal schema can be modified without modifying conceptual schema is classified as
  • A. logical data independence
  • B. physical data independence
  • C. conceptual level independence
  • D. external level independence
  • Correct Answer: Option B

Capacity to alter database schema at one level without altering any other schema level is classified as

Capacity to alter database schema at one level without altering any other schema level is classified as
  • A. data mapping
  • B. data independence
  • C. data dependence
  • D. data transformation
  • Correct Answer: Option B

Characteristic of database management system which allows program operation independence and program data independence is classified as

Characteristic of database management system which allows program operation independence and program data independence is classified as
  • A. conceptual abstraction
  • B. implementation abstraction
  • C. data abstraction
  • D. interface abstraction
  • Correct Answer: Option C

Type of data independence in which schema can be altered on conceptual level without altering external level is classified as

Type of data independence in which schema can be altered on conceptual level without altering external level is classified as
  • A. conceptual level independence
  • B. external level independence
  • C. logical data independence
  • D. physical data independence
  • Correct Answer: Option C