IT Interview Questions

1. Implicit cursors are used for SQL statements that are not named.
2. Developers should use implicit cursors with great care.
3. Implicit cursors are used in cursor for loops to handle data processing.
4. Implicit cursors are no longer a feature in Oracle.

1. Record type declaration.
2. Opening and parsing of SQL statements.
3. Fetches records from cursor.
4. Requires exit condition to be defined.

1. Use employee.lname%type.
2. Use employee.lname%rowtype.
3. Look up datatype for EMPLOYEE column on LASTNAME table and use that.
4. Declare it to be type LONG.

1. %found
2. %too_many_rows
3. %notfound
4. %rowcount
5. %rowtype

1. LOOP
2. END LOOP
3. IF-THEN
4. EXIT

1. cursor action_cursor is
2. select name, rate, action
3. into action_record
4. from action_table;
5. There are no errors in this statement.

1. open
2. fetch
3. parse
4. None, cursor for loops handle cursor opening implicitly.

1. It causes the cursor to close
2. It causes the cursor to open
3. It loads the current row values into variables
4. It creates the variables to hold the current row values

CREATE OR REPLACE PROCEDURE find_cpt
(v_movie_id {Argument Mode} NUMBER, v_cost_per_ticket {argument mode} NUMBER)
IS
BEGIN
  IF v_cost_per_ticket  > 8.5 THEN
SELECT  cost_per_ticket
INTO            v_cost_per_ticket
FROM            gross_receipt
WHERE   movie_id = v_movie_id;
  END IF;
END;

Which mode should be used for V_COST_PER_TICKET?

1. IN
2. OUT
3. RETURN
4. IN OUT

CREATE OR REPLACE TRIGGER update_show_gross
      {trigger information}
     BEGIN
      {additional code}
     END;

The trigger code should only execute when the column, COST_PER_TICKET, is greater than $3. Which trigger information will you add?

1. WHEN (new.cost_per_ticket > 3.75)
2. WHEN (:new.cost_per_ticket > 3.75
3. WHERE (new.cost_per_ticket > 3.75)
4. WHERE (:new.cost_per_ticket > 3.75)