INSERT  INTO  teaching_sql_2 (student_id,person_id,student_birthday)
Values("M11112030","A123456789","890808")

INSERT  INTO  teaching_sql_2 (student_id,person_id,student_birthday) # 選擇好資料表及覽未明成
Values("M11112029","C123456789","900801") #將參數按照順序放入


UPDATE teaching_sql_2 SET student_birthday='890801'  # 將變動的資料設置好
WHERE student_id='M11112030'; #尋找student id 為M11112030的參數

DELETE FROM  teaching_sql_2  # 選擇要刪除的table表
WHERE student_id='M11112029' #山處studen_id為M1112029

select * FROM  teaching_sql_1 

select student_name,student_id FROM  teaching_sql_1 

select * FROM  teaching_sql_1 WHERE student_id='M11112030'

select * FROM  teaching_sql_1 WHERE student_id='M11112030' AND student_class='EL125'


select * FROM  teaching_sql_1 WHERE student_id='M11112030' or student_class='EL124'


SELECT teaching_sql_1.student_id, # 找尋teaching_sql_1的 student_id
teaching_sql_1.student_class,  # 找尋teaching_sql_1的 student_class
teaching_sql_2.person_id    # 找尋teaching_sql_2的 person_id
from teaching_sql_1 join teaching_sql_2  # 將teaching_sql_2加入 
WHERE teaching_sql_1.student_id = teaching_sql_2.student_id  # 指定條件