If update column in trigger

You can also go through our other related articles to learn more —. Submit Next Question. By signing up, you agree to our Terms of Use and Privacy Policy. Forgot Password? This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy.

Add a comment. Active Oldest Votes. You have two way for your question : 1- Use Update Command in your Trigger. Sorry for not mentioning that it was SQLServer. I needed to use the deleted table. I ended up writing to a separate table to maintain a history. Approach 2 is better, if you don't want your trigger to fire if column is being changed to the same value.

I think I may be missing something - but approach 1 would not work, because this is after the update, so the current row would always have the same value as the inserting row.

Rob The "IF UPDATE" statement is invoking a procedure that has access to a column list of columns that were updated as part of the query and thus does not need to know the previous values. Show 1 more comment. OrderNo, S. QtyToRepair, I. QtyToRepair end. One should check if QtyToRepair is updated at first. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services.

Privacy policy. This function returns a varbinary bit pattern indicating the inserted or updated columns of a table or view. The rightmost bit of each byte is the least significant bit.

The rightmost bit of the leftmost byte represents the first table column in the table, the next bit to the left represents the second column, and so on. To test for updates or inserts to specific columns, follow the syntax with a bitwise operator and an integer bitmask of the tested columns. UpdateTrigger ON dbo. There is nothing to check. Results; GO. Related Articles.

Maximum stored procedure, function, trigger or view nesting level exceeded limit Prevent accidental update or delete commands of all rows in a SQL Server table. Popular Articles. Rolling up multiple rows into a single row and column for SQL Server data. How to tell what SQL Server versions you are running. Resolving could not open a connection to SQL Server errors.

Ways to compare and find differences for SQL Server tables and data. Searching and finding a string value in all columns in a SQL Server table. Eric Blinn is the Sr. Data Architect for Squire Patton Boggs.