Sql

ALTER TABLE table_name 
RENAME COLUMN old_column_name TO new_column_name;

ALTER TABLE table_name CHANGE old_column_name new_column_name datatype(length);

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

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

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