Login failed for user ‘xxx’. Reason: Server is in single user mode. Only one administrator can connect at this time.

Issue – Login failed for user ‘xxx’. Reason: Server is in single user mode. Only one administrator can connect at this time. Cause – Ensure SQL Server is not running in Single user mode by checking start-up parameter. if you see -m; it mean your SQL is running with single user mode. -m : Starts an… Read More Login failed for user ‘xxx’. Reason: Server is in single user mode. Only one administrator can connect at this time.

The target database, ‘xxx’, is participating in an availability group and is currently not accessible for queries.

Issue – The target database, ‘xxx’, is participating in an availability group and is currently not accessible for queries. Either data movement is suspended or the availability replica is not enabled for read access. To allow read-only access to this and other databases in the availability group, enable read access to one or more secondary… Read More The target database, ‘xxx’, is participating in an availability group and is currently not accessible for queries.

Microsoft Contoso BI Demo Dataset for Retail Industry

Today, I was working on demo where I wanted to have test dataset for Retail db and after some googing I found MS has it’s own database and here are details – The Contoso BI Demo dataset is used to demonstrate DW/BI functionalities across the entire Microsoft Office product family. This dataset includes C-level, sales/marketing,… Read More Microsoft Contoso BI Demo Dataset for Retail Industry

The transaction log for database ‘XXX’ is full due to ‘LOG_BACKUP’

Yesterday, one of my client send me email stating she is not able to run any query against database. she was getting below error message – The transaction log for database ‘xxx’ is full due to ‘LOG_BACKUP’ From error message it’s look like transaction log full issue hence I looked for db property and found… Read More The transaction log for database ‘XXX’ is full due to ‘LOG_BACKUP’