Tag: databases

Questions Related to databases

  1. ALTER TABLE TABLE1 SHRINK;

  2. ALTER TABLE TABLE1 SHRINK SPACE;

  3. ALTER TABLE TABLE1 SHRINK UNUSED;

  4. ALTER TABLE TABLE1 SHRINK ROWs;


Correct Option: B
  1. WHERE clauses

  2. START WITH and CONNECT BY clauses

  3. select lists

  4. HAVING clauses


Correct Option: A,B,C,D
  1. exec DBMS_STATS.UNLOCK_SCHEMA_STATS('TABLE_NAME','OWNER');

  2. exec DBMS_STATS.UNLOCK_SCHEMA_STATS('OWNER','TABLE_NAME');

  3. exec DBMS_STATS.UNLOCK_DB_STATS('DB_NAME','OWNER','TABLE_NAME');

  4. exec DBMS_STATS.UNLOCK_TABLE_STATS('TABLE_NAME','OWNER');

  5. exec DBMS_STATS.UNLOCK_TABLE_STATS('OWNER','TABLE_NAME');


Correct Option: E
  1. left join

  2. right join

  3. outer join

  4. equil join

  5. simple join


Correct Option: C