Map entities, attributes and relations in Oracle is represented by_____

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Question:
Map entities, attributes and relations in Oracle is represented by_____

1.Conceptual Schema

2.Logical Schema

3.Physical Schema

4.All of the Mentioned

Posted Date:-2022-02-26 09:36:43

More MCQS Questions and answers

  1. The SQL statement SELECT SUBSTR(‘123456789’, INSTR(‘abcabcabc’, ‘b’), 4) FROM DUAL;
  2. What are the valid Oracle database schemas?
  3. Which of the following command is used to obtain the structure of an Oracle table?
  4. Which of the following is another name of Oracle database’s design?
  5. Which of the following is not a type of SQL statement?
  6. Which of the following is used to logically group data together?
  7. Which of the following object types below cannot be replicated?
  8. Which of the following package procedure is UNRESTRICTED in Oracle?
  9. A _____ is used to logically group data together
  10. Collection of information stored in database at particular instance of time is called as ____
  11. command to use iscommand is used for removing a table and all its data from the database?
  12. In Oracle, which of below are types of segments?
  13. Map entities, attributes and relations in Oracle is represented by_____
  14. Modification schema of oracle database in one level without affecting the schema in high level is called as _______
  15. Oracle database’s design is also called as_____
  16. Oracle server configuration is dedicated for
  17. The Oracle environment of database is called as _____
  18. The redo log buffer and Shared pool are elements of?
  19. The ____________ contains a set of tables and views that Oracle uses as a reference to the database.
  20. What do the schema objects comprise of?
  21. What is Oracle database used for?
  22. What is Oracle?
  23. What is the result of the following ‘ORA’NULL’CLE’?
  24. What is the use of an index?
  25. What is the use of extent in Oracle?
  26. What is the use of Library cache?
  27. When a transaction modifies the database, Oracle copies the original data before modifying it. What is the original copy of the modified data called?
  28. Which area of PGA stores binding variables and run-time buffers information?
  29. Which is the smallest unit of storage in an Oracle database?
  30. Which of the following area of PGA stores binding variables and run-time buffers information?
  31. Which of the following command is used to SELECT only one copy of each set of duplicable rows in SQL?
  32. Which of the following components comprise an Oracle architecture?
  33. Which of the following database was designed first for enterprise grid computing?
  34. Which of the following is a disadvantage of Oracle database?
  35. Which of the following is an advantage of Oracle database?
  36. Which of the following is correct about Oracle?
  37. Which of the following is not a component of a data warehouse?
  38. Which of the following is not a Key in SQL Server?
  39. Which of the following is not a Oracle Database feature?
  40. Which of the following is not included in DML (Data Manipulation Language)?
  41. Which of the following is referred to as the language used application programs to request data from the DBMS?
  42. Which of the following is the oldest database model?
  43. Which of the following is the smallest unit of storage in an Oracle database?
  44. Which of the following is the subset of SQL commands used to manipulate Oracle Database structures, including tables?
  45. Which of the following is/are the DDL statements?
  46. Which of the following keyword is used with Data Control Language (DCL) statements?
  47. Which of the following RDBMS supports full fledged client server application development?
  48. Which of the following segment is destroyed when the SQL statement is finished?
  49. Which processes is an instance made of Oracle?
  50. Which schema object instructs Oracle to connect to remotely access an object of a database?
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