Niels Berglund

sp_execute_external_script and SQL Compute Context - III

We use WinDbg, Process Monitor and WireShark to look in detail what happens in SQL Server when we use RxSqlServerData to pull data.

Posted by nielsb on Saturday, August 4, 2018

Microsoft SQL Server R Services - Internals XX

A drill down, using WinDbg, WireShark, Process Monitor, into how error messages in the external engine is handled by SQL Server.

Posted by nielsb on Friday, February 2, 2018

Microsoft SQL Server R Services - Internals XIX

A drill down, using WinDbg, into how print statements in the external engine together with ack messages comes back to SQL Server.

Posted by nielsb on Saturday, January 20, 2018

Microsoft SQL Server R Services - Internals XVIII

A look at how output parameters are handled in SQL Server R Services

Posted by nielsb on Wednesday, January 10, 2018

Microsoft SQL Server R Services - Internals XVII

Using WinDbg to find out what happens inside SQL Server when data is returned from SqlSatellite

Posted by nielsb on Wednesday, January 3, 2018

Microsoft SQL Server R Services - Internals XVI

Binary eXchange Language format,data coming back to SQL Server from SqlSatellite

Posted by nielsb on Sunday, December 24, 2017

Microsoft SQL Server R Services - Internals XV

More about Binary eXchange Language, we're looking at packet sizes - and what happens inside SQL Server.

Posted by nielsb on Saturday, December 2, 2017

Microsoft SQL Server R Services - Internals XIV

Binary eXchange Language format, and strange packet sizes.

Posted by nielsb on Saturday, November 25, 2017

Microsoft SQL Server R Services - Internals XIII

When is SQL statements executed when executing external scripts?

Posted by nielsb on Saturday, November 11, 2017

Microsoft SQL Server R Services - Internals XII

More about the TCP/IPpackets sent from SQL Server to SqlSatellite.

Posted by nielsb on Tuesday, October 31, 2017

Technology musings about coding and data. Some topics: .NET, SQL Server, AI/ML, Big Data, Streaming, Kafka, Azure Data Explorer, and a lot more.