Insert Multiple Tables into one Table - sql

Question

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INSERT INTO OrderArchive
(OrderNumber,OrderDate,StockItem,Quantity,UnitPrice,SalesRep,Customer,ArchiveDate)
SELECT "ORDER".OrderNo,
"ORDER".OrderDate,
Stock.StockNo||' '||Stock.StockDesc,
Orderline.Quantity,
Orderline.UnitPrice,
Person.FirstName||' '||Person.Surname,
Person.FirstName||' '||Person.Surname,
OrderArchive.ArchiveDate
FROM "ORDER"
INNER JOIN Stock
ON Stock.StockNo||' '||Stock.StockDesc = OrderAchive.StockItem
INNER JOIN Orderline
ON Orderline.Quantity = OrderArchive.Quantity
INNER JOIN Orderline
ON Orderline.UnitPrice = OrderArchive.UnitPrice
INNER JOIN Person
ON Person.FirstName||' '||Person.Surname = OrderArchive.SalesRep
INNER JOIN Person
ON Person.FirstName||' '||Person.Surname = OrderArchive.Customer
WHERE "ORDER".OrderDate < DATEADD('M',6,SYSDATE);
I tried to work it out first, but just couldnt manage it .... i am trying to move orders that are older than 6 months to OrderArchive...OrderArchive has OrderNo & Orderdate that come from "ORDER"Table Stock item which is a combination of StockID and Stockdesc from stock table quantity and unit cost are from orderline table salesrep and customer are from person Table and datearchived is a sysdate of the date the order was archived

Answer 1

To do this, you need a way to join the Person record to the TableOrder record. This code assumes you have a PersonID on the TableOrder table. You might have a CustomerID or SalesPersonID or something like that on your TableOrder table to join it to the Person table, but I'm not clear on that.
INSERT INTO ArchiveTable (col_1,col_2,col_3,col_4 etc)
SELECT
o.OrderNo,
o.OrderDate,
p.StockNo||' '||p.StockDesc,
p.FirstName||' '|| p.Surname
FROM TableOrder o
INNER JOIN Person p
ON p.PersonID = o.PersonID
WHERE o.orderdate < DATEADD('M',12,SYSDATE)

Answer 2

I think that you are not getting the expected output from the query, because you are joining the Person table with both SalesRep and Customer names at the same time. Thus, only if an Order has the same name for both SalesRep and Customer, will you get any data. Therefore, I have created different table aliases for the Person table, as below:
INSERT INTO OrderArchive
(OrderNumber,OrderDate,StockItem,Quantity,UnitPrice,SalesRep,Customer,ArchiveDate)
SELECT
"ORDER".OrderNo,
"ORDER".OrderDate,
Stock.StockNo||' '||Stock.StockDesc,
Orderline.Quantity,
Orderline.UnitPrice,
Person_SR.FirstName||' '||Person_SR.Surname,
Person_C.FirstName||' '||Person_C.Surname,
OrderArchive.ArchiveDate
FROM "ORDER"
INNER JOIN Stock
ON Stock.StockNo||' '||Stock.StockDesc = OrderAchive.StockItem
INNER JOIN Orderline
ON Orderline.Quantity = OrderArchive.Quantity
INNER JOIN Orderline
ON Orderline.UnitPrice = OrderArchive.UnitPrice
INNER JOIN Person Person_SR
ON Person_SR.FirstName||' '||Person_SR.Surname = OrderArchive.SalesRep
INNER JOIN Person Person_C
ON Person_C.FirstName||' '||Person_C.Surname = OrderArchive.Customer
WHERE "ORDER".OrderDate < DATEADD('M',6,SYSDATE);

Answer 3

INSERT INTO OrderArchive (OrderNumber,OrderDate,StockItem,Quantity,UnitPrice,SalesRep,Customer)
SELECT "ORDER".OrderNo,
"ORDER".OrderDate,
Stock.StockNo ||' '|| Stock.StockDesc,
Orderline.Quantity,
Stock.UnitCost,
"ORDER".SalesRepID,
Person.FirstName||' '||Person.Surname
FROM Person INNER JOIN
("ORDER" LEFT JOIN
(Orderline INNER JOIN Stock
ON Orderline.StockID=Stock.StockNo)
ON"ORDER".OrderNo=OrderLine.OrderNo)
ON Person.PersonID="ORDER".CustomerID
WHERE "ORDER".OrderDate < ADD_MONTHS (SYSDATE,-6)
ORDER BY "ORDER".OrderNo;
SELECT * FROM OrderArchive;
Nearly Done i just have to get SalesRepID to say firstname surname of salesrep but mostly done :)