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Column headings also need to be assigned to the computed columns in the SELECT statement. SELECT query results are displayed with the column names as the column names specified in the table at the time of its creation. Listed below is an example of the SQL generated by the Firebird Rename Column function: ALTER TABLE EMPLOYEE ALTER COLUMN SSN TO SSNNEW. SELECT statement prompts the SQL Server to query a single table or multiple tables in the database. The tool then generates and can execute the SQL to rename the column on the table. If you like GeeksforGeeks and would like to contribute, you can also write an article using or mail your article to See your article appearing on the GeeksforGeeks main page and help other Geeks. The rename column option allows the user to type in a new name for the column being renamed. If a column is renamed and is part of the group key, the column name in the group key will be. This article is contributed by Shubham Chaudhary. The rename() function renames specified columns in a table. 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. Change the name of the table Student to Student_DetailsĪLTER TABLE Student RENAME TO Student_Details You can use a form of SQL SELECT AS to rename columns in your query results.You select the table with ALTER TABLE tablename and then write which column to rename and what to rename it to with RENAME COLUMN oldname TO newname. Change the name of column NAME to FIRST_NAME in table Student.ĪLTER TABLE Student RENAME COLUMN NAME TO FIRST_NAME ALTER TABLE IF EXISTS ONLY name RENAME COLUMN columnname TO newcolumnname ALTER TABLE IF EXISTS ONLY name RENAME. You can rename a column with the below code.Syntax(MariaDB): ALTER TABLE table_name CHANGE COLUMN old_name TO new_name
#Sql rename column how to
In the following example i show how to change the column name with syntax and example.To change the column the required parameters are table name,old column name and new column name. Syntax(MySQL, Oracle): ALTER TABLE table_name RENAME COLUMN old_name TO new_name spRENAME uses in used to change the object names like column names, Database name and user defined type.