mysql 8 alter table modify column code example

Example 1: how to alter table column name in mysql

ALTER TABLE your_table_name RENAME COLUMN original_column_name TO new_column_name;

Example 2: alter table mysql

ALTER TABLE contacts
  ADD last_name varchar(40) NOT NULL
    AFTER contact_id,
  ADD first_name varchar(35) NULL
    AFTER last_name;

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