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Is there a problem with using a case in an UPDATE statement?
I know this is a very old question and the problem is marked as fixed. However, if someone with a case like mine where the table have trigger for data logging on update events, this will cause problem. Both the columns will get the update and log will make useless entries.
Can you change contactno to 8018070777 using CASE statement?
I want to change or update my ContactNo to 8018070999 where there is 8018070777 using Case statement I know this is a very old question and the problem is marked as fixed. However, if someone with a case like mine where the table have trigger for data logging on update events, this will cause problem.
When to use case statement in SQL Server?
I have SQL server Table in which there is column that I wanted to update according to a 2 columns value that are present in current row. In this scenario, we can use CASE expression.
Is it possible to update both columns at the same time?
This is semantically the same, but just bear in mind that both columns will always be updated. This probably won’t cause you any problems, but if you have a high transactional volume, then this could cause concurrency issues. The only way to do specifically what you’re asking is to use dynamic SQL.
Why do I keep getting Windows Update errors?
A common cause of errors is inadequate drive space. If you need help freeing up drive space, see Tips to free up drive space on your PC. The steps in this guided walk-through should help with all Windows Update errors and other issues— you don’t need to search for the specific error to solve it.
Why does Windows Update take so long to install?
This guided walk-through provides steps to fix problems with Windows Updates for Windows 8.1 and 7, such as taking a long time to scan, or error codes while installing updates. For help with Windows Update issues in Windows 10, see Troubleshoot problems updating Windows 10 instead. A common cause of errors is inadequate drive space.
Can a condition change the structure of a query?
Thanks in advance. You can’t use a condition to change the structure of your query, just the data involved. You could do this: This is semantically the same, but just bear in mind that both columns will always be updated.