Is it possible to change column name in oracle

But eventually, we have come to store it online in what we call databases. This is where SQL comes into the picture.

On the off chance that you need to pull, alter, add data to an information base, you can utilize the language of SQL to do so. Information tables act like file organizers and the actual information is like stored documents. SQL is built to retrieve, manipulate, and access the data.

Renaming a column name or table name is one of the most used commands on databases. This order is utilized to change the name of a column to another column name. It is likewise used to change the name of a table to another table name. Let us see how to utilize these keywords in various databases.

Let us consider the below table to understand all the examples:. On executing the above query, you will see the following output:. On executing this query, you will see the output the same as the above. Now, that you know how to rename a column name in various databases, let us also understand how renaming a table name works. With that, we conclude this article on the renaming of a column name in SQL. Newsletters may contain advertising. You can unsubscribe at any time. Hi,guys In oracle How to rename existing column name in table?

From: Konda Reddy via oracle-sql-l [mailto:oracle-sql-l Groups. No Account? Sign up. By signing in, you agree to our Terms of Use and Privacy Policy. Already have an account? Sign in. By signing up, you agree to our Terms of Use and Privacy Policy. Check the code changes to make sure that the changes are correct. Click Apply if everything is ok.

Click the corresponding checkbox if necessary. When renaming a column, you always have to worry about references that use foreign keys — if you manually rename a column for example, using the MySQL alter table — rename column statement , these dependencies will be lost or you will have to locate all foreign keys, drop them, then rename the column and recreate the keys.

The tool will find all foreign keys and will apply the new column name throughout your database. It is quite common that the column you need to rename is used in views. To avoid this, you will have to update all views that use the renamed column after you actually rename it.

The tool will automatically update all views and the database behavioral and informational semantics will be retained. With the tool, you can smartly rename database objects maintaining overall semantic integrity. How To.