SQL plus Interview Questions

SQL plus Interview Questions

  1. What is ROWID?
  2. What is a transaction?
  3. How to drop the index?
  4. What is a database link?
  5. What are the pre requisites?
  6. What is a Cartesian product?
  7. What is Referential Integrity?
  8. What is a corelated sub query?
  9. Any three PL/SQL Exceptions?
  10. What is an Integrity Constraint?
  11. How to drop the column in a table?
  12. Explain some PL/SQL Exceptions?
  13. What are the advantages of VIEW?
  14. Explain the different types of joins?
  15. Display the number value in Words?
  16. What is a Non- corelated sub query?
  17. Explain what is a Cartesian product?
  18. What are the different types of SQL?
  19. What are PL/SQL Cursor Exceptions?
  20. What are the types of SQL Statement?
  21. What do you know about sub queries?
  22. Display Odd/ Even number of records?
  23. How do I eliminate the duplicate rows?
  24. Can a view be updated/inserted/deleted?
  25. Explain what is an Integrity Constraint?
  26. What are the data types allowed in a table?
  27. What is explaining plan and how is it used?
  28. How do I display row number with records?
  29. Explain what are the different types of SQL?
  30. Explain how do we eliminate the duplicate rows?
  31. How can you call a PL/SQL procedure from SQL?
  32. What is the maximum SIZE allowed for each type?
  33. What is the fastest way of accessing a row in a table?
  34. How will you a activate/deactivate integrity constraints?
  35. Where the integrity constraints are stored in Data Dictionary?
  36. How do I replace a comma (,) with a blank in a select statement?
  37. What is the maximum number of triggers, can apply to a single table?
  38. Can a view be updated/inserted/deleted? If Yes under what conditions?
  39. Explain How do we replace a comma (,) with a blank in a select statement?
  40. Explain what is the maximum number of triggers is, can apply to a single table?