Sql updating a table

I created a view linking the table to the account/card database to return the Table ID and the related account number, and now I need to update those records where the ID matches with the Account Number.This is the UPDATE [Sales_Lead].[dbo].[Sales_Import] SET [Account Number] = (SELECT Retrieve Account Number. Don't update a value with the same value, it generates extra logging and unnecessary overhead.Views cannot be used as a mechanism to override any constraints, rules, or referential integrity defined in the base tables.You can insert, update, and delete rows in a view, subject to the following limitations: You may have noticed in Access that placing criteria on the Record Source query of a form limits the records that are displayed in the form when you open it, but it doesn't limit what records can be added in the form.Account Number FROM Retrieve Account Number WHERE [Sales_Lead].[dbo].[Sales_Import]. Lead ID) I think there is no need for the inner join. See example below - it will only perform the update on 2 records despite linking on 3. Account Number Thank you for your interest in this question.Vonki solution below works: UPDATE [Sales_Lead].[dbo].[Sales_Import] SET [Account Number] = Retrieve Account Number. As well as being standard SQL and thus more portable it also will raise an error in the event of there being multiple joined rows on the source side (and thus multiple possible different values to use in the update) rather than having the final result be undeterministic. DROP TABLE #TMP1 DROP TABLE #TMP2 CREATE TABLE #TMP1(Lead ID Int, Account Number NVarchar(50)) CREATE TABLE #TMP2(Lead ID Int, Account Number NVarchar(50)) INSERT INTO #TMP1 VALUES (147,'5807811235') ,(150,'5807811326') ,(185,'7006100100007267039'); INSERT INTO #TMP2 VALUES (147,'7006100100007266957') ,(150,'7006100100007267039') ,(185,'7006100100007267039'); UPDATE A SET A. Account Number FROM #TMP1 A INNER JOIN #TMP2 B ON A. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).If your table t1 and it's backup t2 have many columns, here's a compact way to do it.

Would you like to answer one of these unanswered questions instead?The rules for updating user-defined inline functions are the same as they are for views.Consider these three statements: Product ID Product Name Unit Price ----------- ---------------------------------------- --------------------- 1 Chai 19.0000 Product ID Product Name Unit Price ----------- ---------------------------------------- --------------------- 1 Chai 20.0000 An inline function that has a parameter can also be used to update data, with the parameter limiting the scope of the update.Personally, if it wasn't for the 0.001% of the time where there's no other solution, I don't even think it should even be an available function in T-SQL.T-SQL is designed to be set-based, so it works on entire sets of data as a whole; it should NOT be used to work on data line-by-line.

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