Αποτελέσματα Αναζήτησης
19 Οκτ 2016 · ALTER TABLE yourTable DROP COLUMN yourCOlumn; Information about ALTER TABLE here. If you need to keep the data, but remove the IDENTITY column, you will need to: Create a new column; Transfer the data from the existing IDENTITY column to the new column; Drop the existing IDENTITY column. Rename the new column to the original column name
4 Ιαν 2008 · Adding a new column and making it an identity column is an easy thing to do as well as dropping an existing column that is an identity column, but how can you modify an existing column to make it an identity column or remove the identity property from an existing column? Solution.
28 Οκτ 2018 · In this post, I will discuss how to remove the IDENTITY property from an existing column using T-SQL (without changing the order of the columns or moving the data into a new table). A while ago I had a scenario at a client where I needed to remove the IDENTITY property of a column in an existing table.
SET IDENTITY_INSERT <your_table> ON INSERT INTO ... (ID, ...) SET IDENTITY_INSERT <your_table> OFF
24 Αυγ 2012 · After talking to the DBA I realized that he has no clue about how the identity column behaves when there is DELETE, TRUNCATE or RESEED Identity is used. Let us run a small T-SQL Script. Create a temp table with Identity column beginning with value 11. The seed value is 11. USE [TempDB] GO-- Create Table CREATE TABLE [dbo]. [TestTable]
14 Οκτ 2012 · Drop IDENTITY column. Rename the new column with the name of the old one. Add new Primary Key. Create again constraints (without rechecking them). An example. In AdventureWorks database, there’s a master table called [Person].[AddressType] that has only 6 Rows.
31 Μαΐ 2023 · If you want to reset the identity column in SQL Server, you can use the DBCC CHECKIDENT procedure with extra parameters: DBCC CHECKIDENT ('table_name', RESEED, new_value); Resetting our produce table to use a value of 1 is done using this command:
