SQL

rename field name in mysql

ALTER TABLE table_name 
RENAME COLUMN old_column_name TO new_column_name;

rename table column name in mysql

ALTER TABLE table_name CHANGE old_column_name new_column_name datatype(length);

rename column mysql

ALTER TABLE tableName CHANGE `oldcolname` `newcolname` datatype(length);
(you can remove the backticks if it doesn't work)

alter rename command in mysql

-- mysql
ALTER TABLE `members` CHANGE COLUMN `full_names` `fullname` char(250) NOT NULL;