Fastest Way To Copy A Table To Another Table

Jan 8, 2008

Hi,

I have a number of large tables (50,000,000 + rows and 30+ columns) that are refreshed once per month with data from another system. Data is first loaded into a staging table, that has an indentical strcuture to the final table, cleansed and then copy to the final table.

The current copy process is simple but inefficient:

Truncate Table <final-table>
Insert Into <final-table>
Select * from <staging-table>

If possible I don't want to use DTS for this and I'd like to use a batch size of around 10,000 rows to help reduce the size of the log file because I have 3 of these types of Inserts running concurrently.

What is the fatest way to copy data from one table to another, within a stored procedure using SQL 2000 on a large, clustered server that uses logging?

Thanks,

Jason

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Dbo.Table Of A Database In The .SQLEXPRESS Object Explorer: How To Copy The Dbo.Table To The Another Blank Dbo.Table?

Jan 9, 2008

Hi all,

The following dbo.Tables of Northwind.mdf in my .SQLEXPRESS (SQL Server Management Studio Express) are missing:
dbo.Categories
dbo.CustomerCustomerDemo
dbo.CustomerDemographics
dbo.Customers
dbo.Employees
dbo.EmployeeTerritories
dbo.Order Details
dbo.Orders
dbo.Products
dbo.Regions
dbo.Shippers
dbo.Suppliers
dbo.Territories.

But, I have these dbo.Tables in a different Database "xyzDatabase". How can I copy each of these dbo.Tables to the another blank dbo.Table of Northwind Database?

I right clicked on the dbo.Categories and I saw the following thing:
dbo.Categories
New Table...
Modify
Open Table
Script Table as |> CREATYE To |>
DROP To |>
SELECT To |>
INSERT To |> New Query Editor Window
File....
Clipboard
UPDATE To |>
DELETE to |>
From the above observation,I think it is possible to copy the dbo.Table from the one Database to the Northwind Database that needs to be repaired. Please help and advise me how to do this task or tell me where I can find the Microsoft document that gives the details of this X-copy thing.

Thanks in advance,
Scott Chang

P. S. I am using VB 2005 Express to create a project to learn "Calling Stored Procedures with ADO.NET" (see Paul Kimmel's article in http://www.developer.com/db/article.php/3438221) that needs the dbo.Tables of Northwind Database and my Northwind Database has been screwed up for quite a while and needs a big repair.

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Code Block
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Hi guys,
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The desired result should by something like:

Stock.REFERENCE
JurnalTransMoves.SUF
SUM(JurnalTransMoves.SUF) Group By Stock.REFERENCE

5752
10
60

5752
20

5752
30

5753
400
3000

5753
500

5753
600

5753
700

5753
800

5754
7
15

5754
8

Is there any chance to do that?
Thanks in advance,
Aldo.

Code Snippet
SELECT
Accounts.FULLNAME AS 'ACCOUNTS.FULLNAME',
Accounts.ACCOUNTKEY AS 'ACCOUNTS.ACCOUNTKEY',
Accounts.FILTER AS 'ACCOUNTS.FILTER',
Accounts.SORTGROUP AS 'ACCOUNTS.SORTGROUP',
AccSortNames.SORTCODENAME AS 'AccSortNames.SORTCODENAME',
Accounts.CreditTermsCode AS 'Accounts.CreditTermsCode',
CreditTerms.DETAILS AS 'CreditTerms.DETAILS'
CreditTerms.CURRENF AS 'CreditTerms.CURRENF'
CreditTerms.MONTH AS 'CreditTerms.MONTH',
CreditTerms.DAYS AS 'CreditTerms.DAYS',
CreditTerms.SHAREPRC AS 'CreditTerms.SHAREPRC',
CreditTerms.TEMF AS 'CreditTerms.TEMF',

CASE
WHEN CAST(Accounts.VatExampt AS int) = 0 THEN 'x'
WHEN CAST(Accounts.VatExampt AS int) = 1 THEN 'y'
ELSE 'Undefined' END AS 'VAT',

Stock.DOCUMENTID AS 'Stock.DOCUMENTID',
DocumentsDef.DOCNAME As 'DocumentsDef.DOCNAME',

CASE
WHEN CAST(Stock.DOCUMENTID as int) = 1 THEN Stock.DOCNUMBER
WHEN CAST(Stock.DOCUMENTID as int) = 3 THEN Stock.DOCNUMBER
WHEN CAST(Stock.DOCUMENTID as int) = 35 THEN Stock.DOCNUMBER
WHEN CAST(Stock.DOCUMENTID as int) = 120 THEN Stock.DOCNUMBER
WHEN CAST(Stock.DOCUMENTID as int) = 31 THEN Stock.REFERENCE
WHEN CAST(Stock.DOCUMENTID as int) = 44 THEN Stock.REFERENCE
WHEN CAST(Stock.DOCUMENTID as int) = 34 THEN Stock.REFERENCE
WHEN CAST(Stock.DOCUMENTID as int) = 43 THEN Stock.REFERENCE
WHEN CAST(Stock.DOCUMENTID as int) = 40 THEN Stock.REFERENCE
ELSE '' END AS 'Invoice No',

Stock.VALUEDATE AS 'Stock.VALUEDATE',
JurnalTrans.DESCRIPTION AS 'JurnalTrans.DESCRIPTION',
JurnalTrans.REF2 AS 'JurnalTrans.REF2',
JurnalTransMoves.SUF AS 'JurnalTransMoves.SUF',
JurnalTransMoves_1.SUF AS 'JurnalTransMoves_1.SUF',
JurnalTransMoves.TRANSID AS 'JURNALTRANSMOVES.TRANSID'

FROM
JURNALTRANSMOVES AS JurnalTransMoves_1
INNER JOIN JURNALTRANSMOVES AS JurnalTransMoves
INNER JOIN (SELECT DISTINCT JURNALTRANSID, RECEIPTSTOCKID, FULLMATCH, TABLFNUM, CKCODE, RSORT, RUSEFID FROM RECEIPTJURNALMATCH) AS ReceiptJurnalMatch_1 ON ReceiptJurnalMatch_1.JURNALTRANSID = JurnalTransMoves.ID
INNER JOIN ACCOUNTS AS Accounts ON JurnalTransMoves.ACCOUNTKEY = Accounts.ACCOUNTKEY
INNER JOIN JURNALTRANS AS JurnalTrans ON JurnalTransMoves.TRANSID = JurnalTrans.TRANSID
INNER JOIN STOCK AS Stock ON JurnalTrans.STOCKID = Stock.ID ON JurnalTransMoves_1.TRANSID = JurnalTrans.TRANSID AND JurnalTransMoves_1.ACCOUNTKEY = Accounts.ACCOUNTKEY
LEFT OUTER JOIN ITEMS AS Items
INNER JOIN STOCKMOVES ON Items.ITEMKEY = STOCKMOVES.ITEMKEY
INNER JOIN ITEMSORTNAMES AS ItemSortNames ON Items.SORTGROUP = ItemSortNames.ITEMSORTCODE ON Stock.ID = STOCKMOVES.STOCKID
LEFT OUTER JOIN ACCSORTNAMES AS AccSortNames ON Accounts.SORTGROUP = AccSortNames.ACCSORTCODE
LEFT OUTER JOIN CREDITTERMS AS CreditTerms ON Accounts.CREDITTERMSCODE = CreditTerms.CREDITTERMSCODE
LEFT OUTER JOIN DOCUMENTSDEF AS DocumentsDef ON Stock.DOCUMENTID = DocumentsDef.DOCUMENTID

WHERE
Accounts.SORTGROUP Between '3001' And '3020'
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ORDER BY Accounts.ACCOUNTKEY

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