DBMS MCQ Question and Answer

DBMS MCQ Question and Answer
61. which character function is used to return a specified portion of a character string
  • Initcap
  • Concat
  • Substring
  • Length
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62. Which dictionary view gives the information of the tables of user
  • All tables
  • User tables
  • DBA tables
  • All the above
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63. What is default length of the CHAR datatype
  • 256
  • 122
  • 1
  • 64
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64. Which of the following statements from database
  • set of tables & views
  • set of clusters
  • set of synonyms
  • none of the above
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65. Which way of accessing information in the database is easy
  • primary key access
  • Table access by ROWID
  • access by foreign key
  • none of these
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66. Which way of accessing information in the database is easy
  • primary key access
  • Table access by ROWID
  • access by foreign key
  • none of these
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67. Which command will remove all data from the table and not able to roll back is
  • DELETE
  • DROP
  • TRUNCATE
  • ALL THE ABOVE
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68. When a user creates an object with out giving table-space then where it will stored
  • system table-space
  • Oracle table-space
  • Oracle Error
  • Default Table-space
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69. Which character is used to continue the SQL* plus
  • *
  • /
  • +
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70. Assume that today is Monday of jan 2006 then what is the output of the query bellow SELECT TO CHAR (NEXT DAY(SYSDATE MONDAY,
  • 17/01/06
  • 17/jan/06
  • 17-01-06
  • 17-Jan-06
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