有没有办法将表“sris”转换为这3个表{“tbl_student,tbl_records,tbl_subject”},其中“sris”表中的数据将被分发到3个表中以获得该关系
答案 0 :(得分:0)
SELECT tbl_student INTO tbl_student FROM sris
SELECT tbl_records INTO tbl_records FROM sris
SELECT tbl_subject INTO tbl_subject FROM sris
答案 1 :(得分:0)
"Insert into Table1(Table1Column1, Table1Column2, Table1Column3) Select srisColumn1, srisColumn2, srisColumn3 from sris"
"Insert into Table2(Table2Column1, Table2Column2, Table2Column3) Select srisColumn4, srisColumn5, srisColumn6 from sris"
"Insert into Table3(Table3Column1, Table3Column2, Table3Column3) Select srisColumn7, srisColumn8, srisColumn9 from sris"
答案 2 :(得分:0)
考虑到每个目标列的ID都是IDENTITY
,我们应该这样做:
INSERT INTO tbl_student (
code,
name)
SELECT DISTINCT
code = S.STUDENT_NUMBER,
name = S.STUDENT_NAME
FROM
sris AS S
INSERT INTO tbl_subject (
code,
units)
SELECT DISTINCT
code = S.SUBJECT_CODE,
units = S.UNITS
FROM
sris AS S
INSERT INTO tbl_record (
grade,
remarks,
semester,
sy,
student_id,
subject_id)
SELECT
grade = S.FINAL_GRADE,
remarks = S.REMARKS,
semester = S.SEMESTER,
sy = S.SY,
student_id = T.ID,
subject_id = U.ID
FROM
sris AS S
INNER JOIN tbl_student AS T ON S.STUDENT_NUMBER = T.Code
INNER JOIN tbl_subject AS U ON S.SUBJECT_CODE = U.Code