Correct Answer: Expression trees are a data structure which can be initially composed using language syntax.
Explanation:
Note: This Question is unanswered, help us to find answer for this one
Oracle PL/Sql 10g Skill Assessment
Your Skill Level: Poor
Retake Quizzes to improve it
More Oracle PL/Sql 10g MCQ Questions
Which of the following is not a legal declaration?
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 two among the following programming constructs can be grouped within a package?
Which command is used to disable all triggers on the EMPLOYEES table?
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?