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I have successfully renamed the foreign key. | FK_Artists_Country | dbo | Artists | Country | So now if I select all foreign keys, I get the following result. sp_rename 'dbo.FK_Artists_Country_4AB81AF0', 'FK_Artists_Country' Īs mentioned, the old (existing) name comes first, then the new name. Here’s the bit that renames the foreign key. Renaming operations are performed left to right. Let’s give this foreign key a more concise name. RENAME TABLE oldtable1 TO newtable1, oldtable2 TO newtable2, oldtable3 TO newtable3. The system named it because I forgot to provide a name when I created it. The third foreign key ( FK_Artists_Country_4AB81AF0) has been named by the system.
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| FK_Artists_Country_4AB81AF0 | dbo | Artists | Country | | FK_Albums_Genres | dbo | Albums | Genres | | FK_Albums_Artists | dbo | Albums | Artists | | Foreign Key | Schema | Table | Referenced Table | OBJECT_NAME(referenced_object_id) AS 'Referenced Table' OBJECT_NAME(parent_object_id) AS 'Table', Use KILL cautiously since when a session is terminated any uncommitted work will be rolled back. To terminate a session, you can use the KILL command. If the table is in use, you may need to terminate sessions that are using the table.
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Renaming a table requires an exclusive lock on the table. However, you can use sprename, though Microsoft recommends that you drop and recreate the table so that scripts and stored procedures are not broken. You can't rename a table or database while it is in use. Example 1 – Review All Foreign Keysįirst, I’ll take a look at the foreign keys in the database (so I can decide which one to rename). You can not use the ALTER TABLE statement in SQL Server to rename a table. The following example shows me renaming a foreign key. You may or may not get an error if you omit the schema, but it’s probably a good idea to follow Microsoft’s advice on this one. Note that the Microsoft documentation states that when renaming constraints (such as foreign keys) you must qualify the existing name with the schema name.
Sql server rename table code#
So your code could go something like this: sp_rename 'schema_name.old_fk_name', 'new_fk_name' The syntax of sp_rename goes like this: sp_rename 'object_name', 'new_name' The purpose of this stored procedure is to allow you to rename user-created objects in the current database, so you can also rename other objects such as tables, columns, alias data types, etc. She primarily focuses on the database domain, helping clients build short and long term multi-channel campaigns to drive leads for their sales pipeline.You can use the sp_rename system stored procedure to rename a foreign key constraint in SQL Server. Views will break too if you have specified a specific column. If you rename a column, you should consider if you have any frontend applications on that table. It does not rename every instance of that table name. Nupur Dave is a social media enthusiast and an independent consultant. If you reference something by that name, then change it, yes, it is broken.
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If you need help with any SQL Server Performance Tuning Issues, please feel free to reach out at is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).
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Pinal is an experienced and dedicated professional with a deep commitment to flawless customer service. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,500 database tech articles on his blog at. Pinal has authored 13 SQL Server database books and 40 Pluralsight courses. He holds a Masters of Science degree and numerous database certifications. Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 17 years of hands-on experience. You may reach out to me if you have any questions on LinkedIn. Let me know if you have any idea and I will be happy to post the same on the blog with due credit to you. I am not familiar with any third trick so far except CREATE TABLE. Just like the previous case, you can select columns instead of TOP 0. This time no rows will be selected in the NewTable as we are using the TOP operator with the 0 as a parameter. This trick is not as popular as the trick 1 but still many use it efficiently. The condition WHERE 1 = 2 will return no rows and the new table will be created with no rows. Here if you do not want all the columns, you can specify the name of the column as well, instead of SELECT *. Here is the script which creates a new table based on the existing table. I have used that in the past and still use it quite often. This has to be one of the most popular tricks out there. Yes, it is totally possible to create a table from the existing table with a few simple tricks. One of the DBAs from the client-side recently asked me if I know any easier way to create a table from another table without generating a CREATE TABLE script. Often during Comprehensive Database Performance Health Check, we have some free time when we can discuss interesting technical stuff.