Which of the following is not a legal declaration?

A function CALTAX is given below: CREATE OR REPLACE FUNCTION caltax (sal NUMBER) RETURN NUMBER IS BEGIN RETURN (sal * 0.05); END CALTAX; Which of the following statements is correct in case you want to run this function from the SQL *Plus prompt?

You need to drop a table from within a stored procedure. How would you do this?

Examine the following code: CREATE OR REPLACE PROCEDURE add_dept ( p_name dept.dname%TYPE DEFAULT 'unknown', p_loc dept.locE%TYPE DEFAULT 1700) IS BEGIN INSERT INTO dept VALUES (dept_seq.NEXTVAL,p_name, p_loc); END add_dept; / You created the add_dept procedure above. Now you want to invoke the procedure in SQL *Plus. Which of the following are the valid invocations?

Which lock is used in Pl/Sql if the where clause evaluates to a set of data?

Which part of a database trigger determines the number of times a trigger body executes?

Examine the package given below: CREATE OR REPLACE PACKAGE discounts IS g_id NUMBER := 7829; discount_rate NUMBER := 0.00; PROCEDURE display_price (p_price NUMBER); END discounts; / CREATE OR REPLACE PACKAGE BODY discounts IS PROCEDURE display_price (p_price NUMBER) IS BEGIN DBMS_OUTPUT.PUT_LINE( .Discounted .|| TO_CHAR(p_price*NVL(discount_rate, 1))); END display_price; BEGIN discount_rate :=0.10; END discounts; / Which of the following statements is correct?

When the procedure or function is invoked, Oracle engine loads the compiled procedure or function in the memory area called:

Which command is used to disable all the triggers on an EMP table?

Which statements are correct with regard to packages?

CREATE OR REPLACE PACKAGE manage_emp IS tax_rate CONSTANT NUMBER(5,2) := .28; v_id NUMBER; PROCEDURE insert_emp (p_deptno NUMBER, p_sal NUMBER); PROCEDURE delete_emp; PROCEDURE update_emp; FUNCTION cal_tax (p_sal NUMBER) RETURN NUMBER; END manage_emp; / CREATE OR REPLACE PACKAGE BODY manage_emp IS PROCEDURE update_sal (p_raise_amt NUMBER) IS BEGIN UPDATE emp SET sal = (sal * p_raise_emt) + sal WHERE empno = v_id; END; PROCEDURE insert_emp (p_deptno NUMBER, p_sal NUMBER) IS BEGIN INSERT INTO emp(empno, deptno, sal) VALUES (v_id, p_depntno, p_sal); END insert_emp; PROCEDURE delete_emp IS BEGIN DELETE FROM emp WHERE empno = v_id; END delete_emp; PROCEDURE update_emp IS v_sal NUMBER(10,2); v_raise NUMBER(10, 2); BEGIN SELECT sal INTO v_sal FROM emp WHERE empno = v_id; IF v_sal < 500 THEN v_raise := .05; ELSIP v_sal < 1000 THEN v_raise := .07; ELSE v_raise := .04; END IF; update_sal(v_raise); END update_emp; FUNCTION cal_tax (p_sal NUMBER)RETURN NUMBER IS BEGIN RETURN p_sal * tax_rate; END cal_tax; END manage_emp; / What is the name of the private procedure in this package?