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• New update on minimal logging for SQL Server 2008

  Based on the customer feedback, we have decided to make minimal logging functionality into a btree available to SQL 2008 customers. All you need to do is to enable TF-610 in RTM bits. As a cautionary note, we have seen some slowdown if you are loading Read More... Posted Friday, October 24, 2008 1:18 AM by Sunil Agarwal | 2 Comments Filed under: Bulk Import/Export

• Minimal Logging changes in SQL Server 2008 (part-3)

  So far we had discussed ( http://blogs.msdn.com/sqlserverstorageengine/archive/2008/03/23/minimal-logging-changes-in-sql-server-2008-part-2.aspx ) how minimal logging changes impact when you are moving data from one table to another table. Now let us Read More... Posted Sunday, March 23, 2008 10:08 PM by Sunil Agarwal | 4 Comments Filed under: Bulk Import/Export

• Minimal Logging changes in SQL Server 2008 (part-2)

  In the previous example http://blogs.msdn.com/sqlserverstorageengine/archive/2008/03/06/minimal-logging-changes-in-sql-server-2008-part-1.aspx , I described minimal logging while moving data from a source table into a heap. You may recall that it requires Read More... Posted Sunday, March 23, 2008 7:54 PM by Sunil Agarwal | 5 Comments Filed under: Bulk Import/Export

• Minimal Logging changes in SQL Server 2008

  Please refer to the earlier post for the background information on minimal logging. Starting with SQL Server 2008, the minimal logging has been enhanced. These enhancements are available to regular TSQL Insert as well. One of the key customer scenario Read More... Posted Thursday, March 06, 2008 5:12 AM by Sunil Agarwal | 6 Comments Filed under: Bulk Import/Export

• Bulk Import Optimizations (Minimal Logging)

  In the previous blog I had listed all bulk import optimizations. Now, I will describe each of these optimizations in detail in separate blog entries. Let me first start with minimal logging. By the way minimal logging is also called bulk-logging but the Read More... Posted Tuesday, February 05, 2008 3:01 AM by Sunil Agarwal | 7 Comments Filed under: Bulk Import/Export

• What are the Bulk Import Optimizations?

  Bulk import provides an optimized insert path that minimizes this overhead with following optimizations · Minimal Logging: under this logging mode, individual rows are not logged and only the changes to page allocation structures are logged. This reduces Read More... Posted Monday, February 04, 2008 7:12 PM by Sunil Agarwal | 1 Comments Filed under: Bulk Import/Export

• Why Bulk Import?

  Most IT shops using SQL Server need to load/import large amount of data obtained from external sources or from another Database Server into SQL Sever. It is typcially done using the optimized insert path provided by SQL Server through Bulk Insert and Read More... Posted Monday, February 04, 2008 6:50 PM by Sunil Agarwal | 1 Comments Filed under: Bulk Import/Export

• Skipping rows in the datafile that contains NULL for a column that does not allow NULLs

  I recently ran into a customer who wanted to import data into a table that did not allow NULL for one column. However, his data file had some rows that had NULL for that column. He tried the following Bulk Insert command bulk insert customer.dbo.test Read More... Posted Friday, September 29, 2006 1:25 AM by Sunil Agarwal | 4 Comments Filed under: Bulk Import/Export

• Importing UNIX data file

  Defines couple of ways to load UNIX data file Read More... Posted Thursday, June 08, 2006 9:59 PM by Sunil Agarwal | 1 Comments Filed under: Bulk Import/Export

• Bulk Importing data with OPENROWSET in SQL2005

  How to use OPENROWSET to preprocess data before importing Read More... Posted Tuesday, May 30, 2006 9:39 PM by Sunil Agarwal | 11 Comments Filed under: Bulk Import/Export