Multiple choice technology databases

Examine the structure of the DEPARTMENTS table. Name Null? Type ----------------------------- ------------ ---------- DEPARTMENT_ID NOT NULL NUMBER(4) DEPARTMENT_NAME NOT NULL VARCHAR2(30) LOCATION_ID NUMBER(4) View the Exhibit and examine the code that you plan to use for creating a package to obtain the details of an employee using a host variable on the client side. In SQL*Plus, you plan to use the following commands: SQL> VARIABLE x REFCURSOR SQL> EXECUTE emp_data.get_emp(195,:x) SQL> PRINT x Which statement is true about the above scenario?

  1. The package executes successfully and passes the required data to the host variable.

  2. The package specification gives an error on compilation because cursor variable types cannot be defined in the specification.

  3. The package specification gives an error on compilation because the cursor variable parameter was specified before you defined it.

  4. The package executes successfully, but does not pass the required data to the host variable because the cursor is closed before the
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The package executes successfully but fails to pass data because the cursor is closed before the host variable can access it. The cursor must remain open for the client to fetch the results through the host variable.

Keep practicing — related questions