Keep in mind that you cannot rename a column to a name that already exists in the table. To change a column name, enter the following statement in your MySQL shell: ALTER TABLE your_table_name RENAME COLUMN original_column_name TO new_column_name Įxchange the your_table_name, original_column_name, and new_column_name with your table and column names. This clause is available since MySQL version 8.0. The simplest way to rename a column is to use the ALTER TABLE command with the RENAME COLUMN clause. #Mysql rename column how to#How to Use the RENAME COLUMN Clause (MySQL 8.0) The commands are straightforward, and you may use the clause that fits your requirements best. The difference is that the CHANGE clause can also be used to alter the data types of a column. The RENAME COLUMN and CHANGE clause both allow for the names of existing columns to be altered. The function that concerns us the most is how to utilize ALTER TABLE to rename a column.Ĭlauses give us additional control over the renaming process. You can use it to add or delete columns, change the type of data within the columns, and even rename entire databases. #Mysql rename column series#If you wish to check out more articles on the market’s most trending technologies like Artificial Intelligence, DevOps, Ethical Hacking, then you can refer to Edureka’s official site.ĭo look out for other articles in this series which will explain the various other aspects of SQL.ġ.Rename MySQL Column with ALTER TABLE CommandĪLTER TABLE is an essential command used to change the structure of a MySQL table. I hope you guys enjoyed this article and understood all the differences. Now with this, we come to an end of this comparison on SQL vs NoSQL. Now, if you execute the below query to see the details in the table ListOfBooks, you will see the following output: Syntax: ALTER TABLE OldTableName RENAME TO NewTableName Įxample: ALTER TABLE Books RENAME TO ListOfBooks To rename a table name, you can use the RENAME command in SQL, in the following manner: Now, that you have understood how to rename a column name in various databases, let us see how you can rename a table name. The resulting output will be the same as that for the above queries. sp_rename 'Books.BID', 'BooksID', 'COLUMN' Write a query to rename the column name “BID” to “BooksID”. Syntax sp_rename 'TableName.OldColumnName', 'New ColumnName', 'COLUMN' In MS SQL Server, you have to use the stored procedure called sp_rename. The process of renaming column name is MS SQL Server is different when compared to the other databases. On executing this query, you will see the output the same as the above output. ALTER TABLE Books CHANGE COLUMN BID BooksID INT Syntax ALTER TABLE TableName CHANGE COLUMN OldColumnName NewColumnName Data Type You can also use the CHANGE keyword to rename a column name as follows: But, before that, let us consider the following table to understand all the examples: Let us understand how to use this command in different databases. It is also used to change the table to a new table name. This command is used to change the name of a column to a new column name. So, let us understand how to use the RENAME command in SQL. One such manipulation, which is quite popular in databases is renaming the column name in SQL. In SQL, there are various statements/ commands used to manipulate data. If you wish to know more about the basics of SQL in-depth, you can refer to the article on SQL Basics. It is based on the English language and is designed in a way to easily retrieve, manipulate, and access the data. SQL or most commonly known as SEQUEL is a Structured Query Language used for managing and accessing the databases.
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