MS SQL SERVER-循环标题和详细信息

Question

I am new with MSSQL SERVER. I am having a challenge with looping.

Here's my scenario:

I have a transaction table that is filled with data from SMS messaging. (tbl_sentTransaction)

Here is how it looks like:

TransCtr|TransNum|TransInfo
---------------------------
      1 |11111111|some info 1
---------------------------
      2 |11111111|some info 2
---------------------------
      3 |11111111|some info 3
---------------------------
      4 |11111111|some info 4
---------------------------

Now, from tbl_sentTransaction, I have to insert it to its own table.

So I have a header table and detail table.

Here's what I want to do.

If the record from the tbl_sentTransaction has the same TransNum, I will treat it as one record. So I will insert the TransNum to the header table once.

Then I will insert the TransInfo to the detail table multiple times. So based on the given example:

tbl_trans_header

------------------
TransCtr|TransNum
------------------
      1 |11111111
------------------



tbl_trans_detail

------------------------------
TransCtr|TransNum|TransInfo
-------------------------------
      1 |11111111| some info 1
-------------------------------
      1 |11111111| some info 2
-------------------------------
      1 |11111111| some info 3
-------------------------------

Would you help me achieve this? I can't make it work. Hope I explained myself well. Thankyou so much. Any suggestion would be appreciated.

Answer 1

If you delete transaction table after you process it, you can use following code

insert into tbl_trans_detail (
    TransCtr, TransNum, TransInfo
)
select
    TransCtr, TransNum, TransInfo
from tbl_sentTransaction

insert into tbl_trans_header (
    TransCtr, TransNum
)
select distinct
    1, TransNum
from tbl_sentTransaction

Answer 2

You can use this.

INSERT INTO tbl_trans_header (TransCtr, TransNum)
SELECT MIN(TransCtr), TransNum
FROM tbl_sentTransaction
GROUP BY TransNum


INSERT tbl_trans_detail (TransCtr, TransNum, TransInfo)
SELECT MIN(TransCtr) OVER(PARTITION BY TransNum), TransNum, TransInfo
FROM tbl_sentTransaction