The default level of consistency in SQL is

A. repeatable read

B. read committed

C. read uncommitted

D. serializable

You can do it
  1. The relational model is based on the concept that data is organized and stored in two-dimensional tables…
  2. A top-to-bottom relationship among the items in a database is established by a
  3. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  4. A relational database developer refers to a record as
  5. E-R Modeling is achieved by using ____ diagrams
  6. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  7. The default level of consistency in SQL is
  8. Which of the following addressing modes permits relocation without any change over in the code?
  9. The graphical representation of a query is .
  10. The data models defined by ANSI/SPARC architecture are
  11. The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in…
  12. Dependency preservation is not guaranteed in
  13. When an E-R diagram is mapped to tables, the representation is redundant for
  14. Protection of data from unauthorized Disclosure results in loss of _______
  15. Data independence means
  16. ____ table store information about database or about the system.
  17. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  18. Which of the following is not a property of transactions?
  19. The part of a database management system which ensures that the data remains in a consistent state is
  20. Which normal form is considered adequate for normal relational database design?
  21. Which of the following relational algebra operations do not require the participating tables to be union-compatible?
  22. _____ command can be used to modify a column in a table
  23. Which of the following ensures the atomicity of the transaction?
  24. _____is a full form of SQL.
  25. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  26. Relational Algebra does not have
  27. Which of the following statement on the view concept in SQL is invalid?
  28. Key to represent relationship between tables is called
  29. Which of the following relational algebraic operations is not from set theory?
  30. The clause alter table in SQL can be used to