SQLServerCentral Article

The Record That Never Existed (as a committed row)

Introduction According to the official documentation, the READ COMMITTED isolation level “specifies that statements cannot read data that has been modified but not committed by other transactions”. So, one could think that a record returned under this isolation level existed in the committed state at the time of reading. In this article, I am going […]

SQLServerCentral Article

Connect to SAP HANA Data as a Linked Server

The SQL Gateway enables you to configure a TDS (SQL Server) remoting service and set up a linked server for SAP HANA data.  After you have started the service, you can use the UI in SQL Server Management Studio or call stored procedures to create the linked server. You can then work with SAP HANA data just […]

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Question of the Day

How Long is a Long I/O?

In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?

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