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Bulk Insert into SQL Server with Python not working


Bulk Insert into SQL Server with Python not working

By : Stephen WGX
Date : November 23 2020, 03:01 PM
wish helps you It turns out that instead of using SQL Alchemy, I had to use pypyodbc. Not sure why this worked and the other way didn't. Example code found here:How to Speed up with Bulk Insert to MS Server from Python with Pyodbc from CSV
code :


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What is the difference between bulk copy (bcp) and bulk insert in SQL Server 2008?

What is the difference between bulk copy (bcp) and bulk insert in SQL Server 2008?


By : vt4a2h
Date : March 29 2020, 07:55 AM
this will help bulk copy is an utility program: bcp.exe BULK INSERT is a Transact-SQL statement.
bcp.exe uses BULK INSERT to do its job. It's the same relation that the one between sqlcmd.exe (a tool) and SELECT (a statement).
SQL Server Bulk Insert of UTF-8 CSV file not working correctly

SQL Server Bulk Insert of UTF-8 CSV file not working correctly


By : gattinaroma
Date : March 29 2020, 07:55 AM
I hope this helps . By the way BULK INSERT doesn’t support UTF-8.
See Reference Link MSDN
Python Code for Bulk Insert into SQL Server 2014 DateTime format

Python Code for Bulk Insert into SQL Server 2014 DateTime format


By : Supattaraphong Fha A
Date : March 29 2020, 07:55 AM
I hope this helps . This is a script that i run in python. I am getting a Bulk Load Conversion error (type mismatch or invalid character for the specified codepage) error.. for the datetime field. , try with the following statement (you can put it on a single line):
code :
set dateformat mdy;
bulk insert tbl from 'c:\users\...\tbl.csv' with (fieldterminator = ',', firstrow = 2);
Bulk insert in SQL Server Express 2005 is not working

Bulk insert in SQL Server Express 2005 is not working


By : user3795378
Date : March 29 2020, 07:55 AM
This might help you Firstly the rowterminators appear to be windows line endings 0D 0A in the file. (CR LF). I believe this translates to \r\n. However the issue still holds.
There appears to be a hotfix from MS http://support.microsoft.com/kb/935446
Bulk insert is not working properly in Azure SQL Server

Bulk insert is not working properly in Azure SQL Server


By : Kinjal Joshi
Date : March 29 2020, 07:55 AM
Hope this helps I'd suggest you set sqlBulkCopy.BatchSize to a reasonable amount, instead of inserting everything in one batch. Depending on the data you're inserting, try starting with 10.000 and work your way up or down until you're satisfied with the performance.
Edit for some extra clarification: When you consider your batch size, you need to take into consideration that SqlBulkCopy will need to not only insert the data, but also read AND send it - the last part is probably the reason why it works on your local SQL server, but not on Azure - it also means that, if you're working with a large dataset, that you will need to work with lower batch size, or a considerably higher BulkCopyTimeout setting, to allow each batch the chance to finish before reaching the timeout limit.
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