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25.4.15

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晴月 2025-04-15 09:27:46 +08:00
parent cb2009958f
commit ba3103ea6a
2 changed files with 6 additions and 0 deletions
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2
案例3.py
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@ -9,6 +9,8 @@ cursor=db.cursor()
sql="INSERT INTO EMPLOYEE(FIRST_NAME, LAST_NAME, AGE, SEX, INCOME) VALUE ('Mac','Mohan',20,'M',2000)" sql="INSERT INTO EMPLOYEE(FIRST_NAME, LAST_NAME, AGE, SEX, INCOME) VALUE ('Mac','Mohan',20,'M',2000)"
try: try:
cursor.execute(sql) cursor.execute(sql)
cursor.execute('SELECT * FROM EMPLOYEE')
print(cursor.fetchall())
db.commit() db.commit()
except: except:
db.rollback() db.rollback()

4
案例5.py
View File

@ -8,7 +8,11 @@ db=pymysql.connect (
cursor=db.cursor() cursor=db.cursor()
sql="UPDATE EMPLOYEE SET AGE=AGE+1 WHERE SEX = '%c'" % 'M' sql="UPDATE EMPLOYEE SET AGE=AGE+1 WHERE SEX = '%c'" % 'M'
try: try:
cursor.execute('SELECT * FROM EMPLOYEE')
print(f"更改前：{cursor.fetchall()}")
cursor.execute(sql) cursor.execute(sql)
cursor.execute('SELECT * FROM EMPLOYEE')
print(f"更改后：{cursor.fetchall()}")
db.commit() db.commit()
except: except:
db.rollback() db.rollback()