PROJECT_DBMS databases management (sw).pdf

1. ‫جامعة‬
‫تعز‬
‫كلية‬
‫المعلومات‬ ‫وتقنية‬ ‫الهندسة‬
sw : ‫قسم‬
‫ي‬
‫ثان‬ : ‫المستوى‬
S
DBM
:
roject
P
‫االسم‬
:
‫ل‬
‫صخريمحمديطاهريمنصوريعبد‬
‫الحق‬
. ‫محمد‬
‫علي‬ ‫قائد‬ ‫رياض‬
‫العامري‬ ‫نافع‬
‫إ‬
‫المهندس‬ ‫شراف‬
:
‫عمر‬
‫الشميري‬
Taiz University
Faculty of Engineering & IT
Dept :sw
Level : 2

2. :‫األولى‬ ‫المرحلة‬
‫قاعدة‬ ‫إعداد‬
‫البيانات‬
Tablespace:‫انشاء‬ -
CREATE TABLESPACE DATA_USER
DATAFILE 'DATA_USER.dbf' SIZE 100M
AUTOEXTEND ON NEXT 100M MAXSIZE
UNLIMITED;
-
: ‫الالزمة‬ ‫الصالحيات‬ ‫وإعطائه‬ ‫جديد‬ ‫مستخدم‬ ‫إنشاء‬
CREATE USER BANK_USER IDENTIFIED BY BANK
DEFAULT TABLESPACE DATA_USER
QUOTA UNLIMITED ON DATA_USER
TEMPORARY TABLESPACE TEMP;
-
‫إعطاء‬
:‫صالحيات‬ ‫المستخدم‬
GRANT CREATE SESSION TO BANK_USER;
GRANT CREATE TABLE TO BANK_USER;
GRANT CREATE VIEW TO BANK_USER;
GRANT CREATE PROCEDURE TO BANK_USER;
GRANT CREATE TRIGGER TO BANK_USER;
GRANT UNLIMITED TABLESPACE TO BANK_USER;
-
‫المرحله‬
:‫الثانيه‬
‫االساسية‬ ‫الجداول‬ ‫انشاء‬
-
: ‫العمالء‬ ‫جدول‬ ‫انشاء‬
CREATE TABLE CUSTOMERS (
CUSTOMER_ID NUMBER(10) PRIMARY KEY,
NAME VARCHAR2(100) NOT NULL,
EMAIL VARCHAR2(100) UNIQUE,
PHONE VARCHAR2(15) UNIQUE,

3. ADDRESS VARCHAR2(200),
REGISTRATION_DATE DATE DEFAULT SYSDATE (;
-
: ‫الحسابات‬ ‫جدول‬ ‫انشاء‬
CREATE TABLE ACCOUNTS (
ACCOUNT_ID NUMBER PRIMARY KEY,
CUSTOMER_ID NUMBER REFERENCES CUSTOMERS
(CUSTOMER_ID),
ACCOUNT_TYPE VARCHAR2(50),
BALANCE NUMBER DEFAULT 0 CHECK (BALANCE >= 0),
OPEN_DATE DATE DEFAULT SYSDATE,
ACCOUNT_STATUS VARCHAR2(20)
(;
-
:‫المعامالت‬ ‫جدول‬ ‫انشاء‬
CREATE TABLE TRANSACTIONS (
TRANSACTION_ID NUMBER PRIMARY KEY,
ACCOUNT_ID NUMBER REFERENCES ACCOUNTS
(ACCOUNT_ID),
AMOUNT NUMBER CHECK (AMOUNT > 0),
TRANSACTION_TYPE VARCHAR2(50),
TRANSACTION_DATE DATE DEFAULT SYSDATE,
DESCRIPTION VARCHAR2(200)
(;
-
:‫التغيرات‬ ‫سجل‬ ‫جدول‬ ‫انشاء‬
CREATE TABLE CHANGE_LOG (
LOG_ID NUMBER(10) PRIMARY KEY,
ACCOUNT_ID NUMBER(10) REFERENCES ACCOUNTS
(ACCOUNT_ID),
OLD_BALANCE NUMBER,
NEW_BALANCE NUMBER,
CHANGE_DATE DATE DEFAULT SYSDATE,
CHANGED_BY VARCHAR2(100)
(;

4. -
‫انشاء‬
sequences
‫الرئسية‬ ‫للمفاتيح‬ ‫متسلسله‬ ‫و‬ ‫فريدة‬ ‫ارقام‬ ‫العطاء‬
: ‫للجداول‬
- CREATE SEQUENCE CUSTOMERS_SEQ START WITH 1
INCREMENT BY 1 NOCACHE;
- CREATE SEQUENCE ACCOUNTS_SEQ START WITH 1 INCREMENT
BY 1 NOCACHE;
- CREATE SEQUENCE TRANSACTIONS_SEQ START WITH 1
INCREMENT BY 1 NOCACHE;
- CREATE SEQUENCE CHANGE_LOG_SEQ START WITH 1
INCREMENT BY 1 NOCACHE;
-
‫انشاء‬ : ‫الثالثة‬ ‫المرحله‬
package specificatoin
‫لإلجراءات‬
. ‫والوظائف‬
CREATE OR REPLACE PACKAGE BANK_PACKAGE AS
PROCEDURE ADD_CUSTOMER(
NAME VARCHAR2,
EMAIL VARCHAR2,
PHONE VARCHAR2,
ADDRESS VARCHAR2
( ;
PROCEDURE UPDATE_CUSTOMER(
CUSTOMER_ID NUMBER,
NAME VARCHAR2,
EMAIL VARCHAR2,
PHONE VARCHAR2,
ADDRESS VARCHAR2
( ;
PROCEDURE OPEN_ACCOUNT(
CUSTOMER_ID NUMBER,
ACCOUNT_TYPE VARCHAR2

5. ( ;
PROCEDURE DEPOSIT(
ACCOUNT_ID NUMBER,
AMOUNT NUMBER
(;
PROCEDURE WITHDRAW(
ACCOUNT_ID NUMBER,
AMOUNT NUMBER
( ;
PROCEDURE TRANSFER(
FROM_ACCOUNT_ID NUMBER,
TO_ACCOUNT_ID NUMBER,
AMOUNT NUMBER
( ;
PROCEDURE FREEZE_ACCOUNT(
ACCOUNT_ID NUMBER
( ;
PROCEDURE ACTIVATE_ACCOUNT(
ACCOUNT_ID NUMBER
( ;
FUNCTION GET_ACCOUNT_STATEMENT(
ACCOUNT_ID NUMBER
RETURN SYS_REFCURSOR
(;
END BANK_PACKAGE;
-
‫انشاء‬
package body
: ‫والوظائف‬ ‫لإلجراءات‬
CREATE OR REPLACE PACKAGE BODY BANK_PACKAGE IS
PROCEDURE ADD_CUSTOMER(
NAME VARCHAR2,EMAIL VARCHAR2, PHONE
VARCHAR2,
ADDRESS VARCHAR2)
IS

6. BEGIN
INSERT INTO CUSTOMERS (
CUSTOMER_ID,
NAME,
EMAIL,
PHONE,
ADDRESS (
VALUES (
CUSTOMERS_SEQ.NEXTVAL,
P_NAME,
P_EMAIL,
P_PHONE,
P_ADDRESS
( ;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error adding customer: '
SQLERRM); ||
END;
PROCEDURE UPDATE_CUSTOMER(
P_CUSTOMER_ID NUMBER,
P_NAME VARCHAR2,
P_EMAIL VARCHAR2,
P_PHONE VARCHAR2,
P_ADDRESS VARCHAR2 (
IS
BEGIN
UPDATE CUSTOMERS
SET
NAME = P_NAME,
EMAIL = P_EMAIL,
PHONE = P_PHONE,
ADDRESS = P_ADDRESS
WHERE
CUSTOMER_ID = P_CUSTOMER_ID;

7. EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error updating customer: '
||
SQLERRM);
END;
PROCEDURE OPEN_ACCOUNT(
P_CUSTOMER_ID NUMBER,
P_ACCOUNT_TYPE VARCHAR2 (
IS
BEGIN
INSERT INTO ACCOUNTS (
ACCOUNT_ID,
CUSTOMER_ID,
ACCOUNT_TYPE,
ACCOUNT_STATUS
VALUES (
ACCOUNTS_SEQ.NEXTVAL,
P_CUSTOMER_ID,
P_ACCOUNT_TYPE,
Active'' (
;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error opening account: ' ||
SQLERRM);
END;
PROCEDURE DEPOSIT(
P_ACCOUNT_ID NUMBER,
P_AMOUNT NUMBER
IS )
BEGIN
IF P_AMOUNT <= 0 THEN
RAISE_APPLICATION_ERROR(-20002, 'Deposit amount
must be positive.');

8. END IF;
UPDATE ACCOUNTS
SET
BALANCE = BALANCE + P_AMOUNT
WHERE
ACCOUNT_ID = P_ACCOUNT_ID;
INSERT INTO TRANSACTIONS (
TRANSACTION_ID,
ACCOUNT_ID,
AMOUNT,
TRANSACTION_TYPE (
VALUES (
TRANSACTIONS_SEQ.NEXTVAL,
P_ACCOUNT_ID,
P_AMOUNT,
Deposit'' (
;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error during deposit: ' ||
SQLERRM);
END;
PROCEDURE WITHDRAW(
P_ACCOUNT_ID NUMBER,
P_AMOUNT NUMBER (
IS
BEGIN
IF P_AMOUNT <= 0 THEN
RAISE_APPLICATION_ERROR(-20003, 'Withdrawal
amount must be positive.');
END IF;
UPDATE ACCOUNTS
SET
BALANCE = BALANCE - P_AMOUNT
WHERE
ACCOUNT_ID = P_ACCOUNT_ID;

9. INSERT INTO TRANSACTIONS (
TRANSACTION_ID,
ACCOUNT_ID,
AMOUNT,
TRANSACTION_TYPE,
TRANSACTION_DATE,
DESCRIPTION
VALUES (
TRANSACTIONS_SEQ.NEXTVAL,
P_ACCOUNT_ID,
P_AMOUNT,
Withdrawal','
SYSDATE,
Withdrawal transaction''
( ;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error during withdrawal: '
||
SQLERRM);
END;
PROCEDURE TRANSFER(
P_FROM_ACCOUNT_ID NUMBER,
P_TO_ACCOUNT_ID NUMBER,
P_AMOUNT NUMBER (
IS
BEGIN
WITHDRAW(P_FROM_ACCOUNT_ID, P_AMOUNT);
DEPOSIT(P_TO_ACCOUNT_ID, P_AMOUNT);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error during transfer: ' ||
SQLERRM);
END;
for account freezing -
-

10. PROCEDURE FREEZE_ACCOUNT(
P_ACCOUNT_ID NUMBER (
IS
BEGIN
UPDATE ACCOUNTS
SET
ACCOUNT_STATUS = 'Frozen' WHERE
ACCOUNT_ID = P_ACCOUNT_ID;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error freezing account: ' ||
SQLERRM); END;
for account Active -
-
PROCEDURE ACTIVATE_ACCOUNT(
P_ACCOUNT_ID NUMBER (
IS
BEGIN
UPDATE ACCOUNTS
SET
ACCOUNT_STATUS = 'Active'
WHERE
ACCOUNT_ID = P_ACCOUNT_ID;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error activating account: '
||
SQLERRM);
END;
FUNCTION GET_ACCOUNT_STATEMENT(
P_ACCOUNT_ID NUMBER (
RETURN SYS_REFCURSOR IS
ACCOUNT_CURSOR SYS_REFCURSOR;
BEGIN

11. OPEN ACCOUNT_CURSOR FOR
SELECT
*
FROM
TRANSACTIONS
WHERE
ACCOUNT_ID = P_ACCOUNT_ID
ORDER BY
TRANSACTION_DATE;
RETURN ACCOUNT_CURSOR; END;
END BANK_PACKAGE;
-
‫انشاء‬
Triggers
: ‫السحب‬ ‫عملية‬ ‫من‬ ‫للتحقق‬
CREATE OR REPLACE TRIGGER VALIDATE_WITHDRAWAL BEFORE
UPDATE OF BALANCE ON ACCOUNTS FOR EACH ROW WHEN
(NEW.BALANCE < 0)
BEGIN
RAISE_APPLICATION_ERROR(-20001, 'Insufficient balance for
withdrawal.');
END;
-
‫انشاء‬
trigger
‫لتسجيل‬
‫الرصيد‬ ‫في‬ ‫التغيرات‬
‫ي‬
CREATE OR REPLACE TRIGGER LOG_BALANCE_CHANGES AFTER
UPDATE OF BALANCE ON ACCOUNTS FOR EACH ROW
BEGIN
INSERT INTO CHANGE_LOG (
LOG_ID,
ACCOUNT_ID,
OLD_BALANCE,
NEW_BALANCE,
CHANGE_DATE,
CHANGED_BY (
VALUES (
CHANGE_LOG_SEQ.NEXTVAL, OLD.ACCOUNT_ID,:
OLD.BALANCE,:
NEW.BALANCE,:

12. SYSDATE,
USER

13. ( ;
END;
‫انشاء‬
trigger
.‫كبيرة‬ ‫معامالت‬ ‫اجراء‬ ‫عند‬ ‫تنبيهات‬ ‫الرسال‬
‫ي‬
‫ي‬ -
CREATE OR REPLACE TRIGGER NOTIFY_LARGE_TRANSACTION
AFTER INSERT ON TRANSACTIONS FOR EACH ROW
WHEN (
NEW.AMOUNT > 10000
BEGIN
DBMS_OUTPUT.PUT_LINE(
Large transaction detected for account ' '
NEW.ACCOUNT_ID: || with amount
' ' ||
NEW.AMOUNT: ||
( ;
END;
.‫تجريبية‬ ‫بيانات‬ ‫ادخال‬ : ‫الرابعه‬ ‫المرحله‬
‫ي‬ -

14. ‫عمالء‬ ‫اضافه‬
‫ي‬
BEGIN
BANK_PACKAGE.ADD_CUSTOMER('John Doe',
'john.doe@example.com', '1234567890', '123 Main St');
BANK_PACKAGE.ADD_CUSTOMER('Jane Smith',
'jane.smith@example.com', '0987654321', '456 Elm St');
BANK_PACKAGE.ADD_CUSTOMER('nabeeh',
'mohammed.nabeeh@example.com', '738990702', 'tiaz St');
BANK_PACKAGE.ADD_CUSTOMER('sakher',
'sakher.nabeeh@example.com', '7389903402', 'sanna St');
END;
-
‫حسابات‬ ‫فتح‬
BEGIN
BANK_PACKAGE.OPEN_ACCOUNT(1, 'Savings');
BANK_PACKAGE.OPEN_ACCOUNT(2, 'Checking');
-

15. BANK_PACKAGE.OPEN_ACCOUNT(3, 'Checking');
BANK_PACKAGE.OPEN_ACCOUNT(4, 'Checking');
END;
‫ي‬
‫تحويل‬ ‫و‬ ‫سحب‬ ‫و‬ ‫إيداع‬ ‫عملية‬
‫ي‬
BEGIN
BANK_PACKAGE.DEPOSIT(1, 10000);
BANK_PACKAGE.DEPOSIT(2, 1000);
BANK_PACKAGE.WITHDRAW(1, 200);
BANK_PACKAGE.TRANSFER(1, 2, 300);
END;
-