Tag: technology

Questions Related to technology

  1. The entry is a local socket

  2. The entry is a first-in,first-out (FIFO) special file

  3. The entry is an ordinary file

  4. Purged Permissions


Correct Option: B
  1. send map() cursor()

  2. cursor()

  3. send ()

  4. none of the above


Correct Option: A
  1. SELECT last_name FROM employees WHERE last_name LIKE '%A_B%' ESCAPE '\';

  2. SELECT last_name FROM employees WHERE last_name LIKE '%A_B%' ESCAPE;

  3. SELECT last_name FROM employees WHERE last_name LIKE 'A_B%' ESCAPE '%';

  4. SELECT last_name FROM employees WHERE last_name LIKE '%A_B%' ESCAPE '\';


Correct Option: D
  1. SELECT TO_DATE (SYSDATE, 'FMDAY, DD Month, YYYY') FROM dual;

  2. SELECT TO_CHAR (SYSDATE, 'FMDD, DY Month, YYYY') FROM dual;

  3. SELECT TO_CHAR (SYSDATE, 'FMDay, DD Month, YYYY') FROM dual;

  4. SELECT TO_CHAR (SYSDATE, 'FMDY, DDD Month, YYYY') FROM dual;


Correct Option: C
  1. DELETE employees;

  2. DESCRIBE employees;

  3. ROLLBACK TO SAVEPOINT C;

  4. ALTER TABLE employees SET UNUSED COLUMN sal;

  5. GRANT SELECT ON employees TO SCOTT;


Correct Option: C,D
  1. none

  2. DELETE, INSERT, SELECT

  3. ALTER, DELETE, INSERT, SELECT

  4. DELETE, INSERT, SELECT, UPDATE


Correct Option: D

Java is developed by

  1. Dennis Ritchie

  2. Bjarne Stroustrup

  3. James Gosling

  4. Paul Allen


Correct Option: C