2. פתרונותתרגולפרק7–DML
CREATE TABLE students
(student_id number(5) PRIMARY KEY,
student_name varchar2(25),
student_class varchar2(25) ,
student_birthday date ,
student_city varchar2(25) DEFAULT 'Tel Aviv')
-------------------
3.
INSERT INTO students
VALUES (1 , 'Moshe' , 'A' , '01-JAN-1994' , DEFAULT)
INSERT INTO students
VALUES (2 , 'Yossi' , 'A' , '01-FEB-1994' ,DEFAULT)
INSERT INTO students
VALUES (3 , 'Gil' ,'B' , NULL , DEFAULT)
4.
INSERT INTO students (student_id , student_name ,
student_class , student_birthday , student_city)
VALUES(4 , 'Yuval' , 'B' , '09-DEC-1995', 'Ramat Gan')
INSERT INTO students (student_id , student_name ,
student_class , student_birthday , student_city)
VALUES(5 , 'Shmuel' , 'B' , NULL , 'Ramat Gan')
INSERT INTO students (student_id , student_name , student_class )
VALUES (6 , 'Avi' , 'A')
5.
INSERT INTO students
VALUES (&s_id , '&s_name' , '&s_class' , '&s_birthday' , '&student_city')
3. 6.
UPDATE students
SET student_birthday = SYSDATE
WHERE student_id = 5
7.
UPDATE students
SET student_city = 'Holon'
WHERE student_id = 7
8.
DELETE FROM students
WHERE student_id IN (2,4,6)
9.
COMMIT
ע נכתב"קדם רם י
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