Useful tips for everyday
What does duplicate key violate the unique constraint? ERROR: duplicate key violates unique constraint That likely means that the primary key sequence in the table…
How to compare two columns with same content in Excel? To find cells within the same row having the same content, A2 and B2 in…
Can SQL Server 2014 run on Windows 2008 R2? SQL Server 2014 is now supported on a Server Core installation of Windows Server 2008 R2,…
How do you return a value from a stored procedure in SQL Server? The RETURN statement is used to unconditionally and immediately terminate an SQL…
How do I monitor SQL database performance? To open Windows Performance Monitor: Open Start, Run (Windows + R for Windows 8), type perfmon, and press…
Does a weak entity always have total participation? A weak entity always has a total participation constraint with respect to its identifying relationship because it…
Can you select all of the columns using select *? Using the SELECT Statement to Retrieve Data in SQL To retrieve multiple columns from a…
How do I know if my SQL server CPU is high? SQL Server Management Studio Once you connect to your SQL Server or Azure SQL…
How can we stop deadlock? Recap the solution steps: Check the system_health session for deadlocks. Create an extended event session to capture the deadlocks. Analyze…
Is SVD a clustering algorithm? The main use of SVD in image analysis was noise filtering so far. We extended SVD with a clustering method,…