Chapter 1 Introduction

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Across
  1. 3. data lies in different place with different format
  2. 5. duplication of data
  3. 8. a model that has entity and a characteristic known as attributes
  4. 14. is a process of transforming request and result between three levels
  5. 15. collection of data get the meaning
  6. 18. to store metadata
  7. 19. a model that contain a two dimensional table with common field
  8. 20. data about data
  9. 22. an Analyst can be considered as ____ user
  10. 27. is a ability by which one can change the data at one level without affecting the data at another level.
  11. 30. ______ manager checks correctness of data
  12. 31. _______ level defines the part of overall data of database to be reveal.
  13. 33. ______ level explain what data going to be stored and what relationship between them.
  14. 34. Convert DML(high level) to low level
  15. 35. fact that can be stored or recorded
  16. 36. is a disadvantage of DBMS
  17. 37. ____ manager fetches data from disk storage to memory(cache)
  18. 38. multiple dat to update the data simultaneously
Down
  1. 1. is DCL command
  2. 2. information to select efficient way to execute query
  3. 4. ____ manager preserve atomicity and concurrency
  4. 6. an architecture in which database directly available to the user
  5. 7. ______ level describe how the data are actually stored on storage device.
  6. 9. a common field between to table to maintain relationship
  7. 10. a model has many to many relationship
  8. 11. various copy of data
  9. 12. database + recovery + backup
  10. 13. to provide faster access to data
  11. 16. 0% and 100% operation
  12. 17. a farmer can be considered as ___ user
  13. 21. accurate and correct data
  14. 23. is TCL command
  15. 24. an architecture in which one application layer between data base and end user
  16. 25. a model contains a child node with single parent node
  17. 26. Executes low level instructions
  18. 27. means retrieving only required amount of information of the system and hiding background details
  19. 28. is a DDL command
  20. 29. is DML command
  21. 32. ____ manager allocates the space on disk
  22. 34. collection of logical related data