Examine the following trigger:
CREATE OR REPLACE TRIGGER Emp_count
AFTER DELETE ON Employee
FOR EACH ROW
DECLARE
n INTEGER;
BEGIN
SELECT COUNT(*) INTO n FROM employee;
DMBS_OUTPUT.PUT_LINE( 'There are now' || n || 'employees');
END;
This trigger results in an error after this SQL statement is
entered: DELETE FROM Employee WHERE Empno = 7499;
How should the error be corrected?

Examine the following code: CREATE OR REPLACE FUNCTION gen_email (first_name VARCHAR2, last_name VARCHAR2, id NUMBER) RETURN VARCHAR2 IS email_name VARCHAR2(19); BEGIN email_name := SUBSTR(first_name, 1, 1) || SUBSTR(last_name, 1, 7) ||[email protected] .; UPDATE employees SET email = email_name WHERE employee_id = id; RETURN email_name; END; Which of the following statements removes the function?

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?

Which procedure is called after a row has been fetched to transfer the value, from the select list of the cursor into a local variable?

Which cursor dynamically allows passing values to a cursor while opening another cursor?

What happens during the execute phase with dynamic SQL for INSERT, UPDATE, and DELETE operations?

The CHECK_SAL procedure calls the UPD_SAL procedure. Both procedures are INVALID.Which command can be issued to recompile both procedures?

Which datatype does the cursor attribute '%ISOPEN' return?

A table has to be dropped from within a stored procedure. How can this be implemented?

Examine the following procedure: PROCEDURE emp_salary (v_bonus BOOLEAN, V_raise BOOLEAN, V_issue_check in out BOOEAN) is BEGIN v_issue_check:=v_bonus or v_raise; END; If v_bonus=TRUE and v_raise=NULL,which value is assigned to v_issue_check?

Which table should be queried to determine when the procedure was last compiled?