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My solution is to add the ID field as the LAST field in the table, thus bulk insert ignores it and it gets automatic values. Clean and simple ... For instance, if inserting into a temp table: CREATE TABLE #TempTable (field1 varchar(max), field2 varchar(max), ... ROW_ID int IDENTITY(1,1) NOT NULL)
19 sie 2008 · DBCC CHECKIDENT (MyTable, RESEED, 0) If you did not truncate the table, and the identity column is the PK, you will get an error when reaching pre-existing identites. For example, you have identities (3,4,5) in the table already. You then reset the identity column to 1.
24 lis 2020 · Say you’ve got a two-step process where you’re: Inserting rows into a table that has an identity column, then. Querying that table to figure out what identities you got. There’s a a faster way that doesn’t require hitting the table twice: the OUTPUT clause.
This tutorial shows you how to use the SQL Server IDENTITY property to create an identity column for a table.
24 wrz 2021 · SQL Server provides the IDENTITY function to define an identity column when creating a new table using the SELECT statement with an INTO clause. The IDENTITY function is similar but not the same as the IDENTITY property used in a CREATE or ALTER TABLE statement.
When I use SQL Server with an int based identity column, I always use the auto increment. But I'm needing to insert into an existing table that doesn't have the property set, and I'm wondering what is the best practices way of doing this.
11 wrz 2014 · I deleted all rows from 20 tables after disabling the constraints, triggers using the stored proc SP_MsForEachTable. Now before the import happens, I need to reseed all the identity columns back to start auto numbering from 1.
