Tag: databases

Questions Related to databases

  1. The relation of the primary key of a base table with foreign key of the reference table is known as referential integriety.

  2. The relation of the secondary key of a base table with foreign key of the reference table is known as referential integriety.

  3. The relation of the primary key of a secondary table with foreign key of the reference table is known as referential integriety.

  4. The relation of the primary key of a base table with index key of the reference table is known as referential integriety.


Correct Option: A
  1. PCTFREE: percentage of each page to be left free and FREEPAGE: Number of pages to be loaded with data between each free page.

  2. PCTFREE: percentage of each page to be loaded with data and FREEPAGE: Number of pages to be loaded with data between each free page.

  3. PCTFREE: percentage of each page to be left free and FREEPAGE: Number of pages to be left free with data between each loaded page.

  4. PCTFREE: percentage of each page to be loaded with data between each free page and FREEPAGE: Number of pages to be left free.


Correct Option: A
  1. TSO and CICS

  2. IMS and BATCH

  3. TSO, CICS, IMS and DB2

  4. TSO, CICS, IMS and VSAM


Correct Option: A,B
  1. After a load

  2. After mass updates

  3. After a deletes

  4. After a inserts


Correct Option: A,B,C,D
  1. Type of Exception

  2. Finally block

  3. An Error Code

  4. A message


Correct Option: A,C,D
  1. Named System Exceptions

  2. Unnamed System Exceptions

  3. Implicit Exceptions

  4. Explicit Exceptions

  5. User-defined Exceptions


Correct Option: A,B,E
  1. Not Declared explicitly

  2. Raised implicitly when a predefined Oracle error occurs

  3. caught by referencing the standard name within an exception-handling routine

  4. All of the above

  5. None of the above


Correct Option: D