sql server replace column name code example

Example 1: how to change a collumn name in sql

ALTER TABLE `table_name` 
CHANGE `old_name` `new_name` VARCHAR(10) 
CHARACTER SET utf8 
COLLATE utf8_general_ci NULL 
DEFAULT NULL;

Example 2: how to change column name in sql

ALTER TABLE Student RENAME COLUMN NAME TO FIRST_NAME;
ALTER TABLE `Table Name` MODIFY COLUMN `Column Name` Datatype(Size);