#Bulk loading how to
#Bulk loading drivers

BCP uses ODBC, while the other two rely on OLE DB and the three don't behave identically. While the three offer the same basic functionality they are different implementations. SQL 2005 added the rowset function OPENROWSET (BULK) to permit you to query the data file as if it is a table. The command BULK INSERT was added in SQL Server 7 so that you could bulk-load files from inside SQL Server. Handling text files might have been slapped on as an after-thought. The original purpose was surely to permit copying of data between SQL Server instances using native format (which is binary), and this is what BCP was designed for. The command-line tool BCP has been in the product since version 1.0. The Basics – Terminators and Fixed Length Yet an Alternative for Fixed-Length Filesīatch Size and Other Performance-Related Options Properties to Define where the Field Ends The last chapter discusses XML format files, and I am not sorry at all if you give this chapter a blind eye – I find XML format files to be of dubious value.

#Bulk loading how to

Then comes a chapter about 'advanced' options, including how to load explicit values into an IDENTITY column. Next comes a short chapter that looks closer at the FORMAT option added to BULK INSERT in SQL 2017 which permits you import a general CSV file painlessly. This is followed by a chapter on how to deal with Unicode files, including files encoded in UTF‑8. I first describe how format files work as such, and the next two chapters show how to use format files for common cases for import and export respectively. If you have a more complex file, you will need to use a format file and the next three chapters are for you. Next I cover the basic options to use for every-day work. I first introduce you them to their mindset, which is likely to be different from yours. I have tried to arrange the material in this article so that if you have a simple problem, you only need to read the first two chapters after the introduction. You also need to understand that there are file formats they are not able to handle. But you need to understand that these tools are binary to their heart, and they have no built-in rule that says that each line a file is a record – they don't even think in lines. When they work for you, they are powerful. The bulk-load tools have been in the product for a long time and they are showing their age. One distinct allure they have is that they can save you from dragging in another component like SSIS into your mix only because you need to import a handful of files. They are far from always the best choice, but there are situations where they can fulfil your needs very well. The topic for this article is the last three. OPENROWSET (BULK), which you can use in the FROM clause of a query.Use any of the three bulk-load tools that come with SQL Server:.Use some other ETL tool like Informatica.Use the Export/Import Wizard in SSMS (which uses SSIS).

If you want to import a file into SQL Server there are a number of options available: See here for font conventions used in this article. Features and products that give you the freedom of choice and empower you to work the way you want to.Using the Bulk-Load Tools in SQL Server Using the Bulk-Load Tools in SQL ServerĪn SQL text by Erland Sommarskog, SQL ServerĬopyright applies to this text.Innovative, easy-to-use tools that equip you to act fast and first to get the loads you want ahead of your competition.We deliver current, accurate rate data you can rely on to help you command the best rates for moving bulk loads and freight.

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#Bulk loading drivers

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