Msg 15336, Level 16, State 1, Procedure sp_rename, Line 444 The ALTER TABLE RENAME COLUMN operation can be rolled back. Renaming a column in SQL Server is performed by using SPRENAME stored procedure: - syntax sprename tablename.
Otherwise you will get the following error message: SQL Language Guide > SQL Statements > ALTER TABLE > ALTER TABLE.ALTER COLUMN Restrictions. If the column has a constraint, you must drop the constraint prior to renaming the column. Make sure to check to see if any stored procedures are referencing the column prior to renaming it. This comes up as a reminder that the rename you just performed may have a negative effect on any stored procedures referencing the column. The syntax of sp_rename is the following:Įxec sp_rename ‘tablename.ColumnName’, ‘NewColumnName’, ‘column’ –objecttypeĮXEC sp_rename ‘Employees.FName’, ‘FirstName’, ‘column’Īfter executing the script above, you will receive the following informational message:
Here is the sample sql database table on which we create data columns with default constraint on it.Īs you see from the below sample sql codes, the SQL Server admin has created sql database table Customers and defined the default constraint DF_Customers_Country on Country named table column.In order to rename a column name, you must use sp_rename. Then modifying the table column data type and/or data size,Īnd finally re-creating or enabling the default constraint back on the sql table column.īelow you will see how this strategy is implemented on a sample SQL Server 2005 database table with sample sql codes and data. This is fine for most cases, but once you start working with expressions, you’ll see this doesn’t work well. So far you’ve seen where queries results return results named after the table columns. So the solution for such a SQL Server problem is going to be ĭropping or disabling the DEFAULT Constraint on the table column, You can use a form of SQL SELECT AS to rename columns in your query results. CREATE TABLE dbo.TmpNames ( Id int NOT NULL IDENTITY (1, 1), Name. Drop the current table and you may rename the table. The only thing we have to add it to is Column Parameter at. Add all the contents to a new table with Identity column and copy data to that table. To Rename column in SQL Server Table, we can use the sprename system Stored Procedure as well. In Object Explorer, right-click the table in which you want to rename columns and.
First of all, there is no direct way to do this. Using SQL Server Management Studio To rename a column using Object Explorer In Object Explorer, connect to an instance of Database Engine.
SQL SERVER RENAME COLUMN HOW TO
What is understood from the error message is, since a dependent object DF_Customers_Country (which is a table column default constraint) exists on the sql database, you can not run the ALTER TABLE ALTER COLUMN sql statement. How to change a column to identitySQL Server. t-sql command execution is resulted with the above mentioned error. Optimized ADD COLUMN and RENAME COLUMN clauses for the ALTER TABLE statement. The object 'DF_Customers_Country' is dependent on column 'Country'.ĪLTER TABLE ALTER COLUMN Country failed because one or more objects access this column. ALTER TABLE Customers ALTER COLUMN Country nvarchar(5) Rename column SQL Server 2008 1525 How can I delete using INNER JOIN with SQL Server Hot Network Questions Where can I watch World Chess Championship 2021 What advantages do professors have Could this be any.
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