1.修改数据表名

ALTER TABLE [表名.]OLD_TABLE_NAME RENAME TO NEW_TABLE_NAME;

2.修改列名

ALTER TABLE [表名.]TABLE_NAME RENAME COLUMN OLD_COLUMN_NAME TO NEW_COLUMN_NAME;

3.修改列的数据类型

ALTER TABLE [表名.]TABLE_NAME MODIFY COLUMN_NAME NEW_DATATYPE;

4.插入列

ALTER TABLE [表名.]TABLE_NAME ADD COLUMN_NAME DATATYPE;

5.删除列

ALTER TABLE [表名.]TABLE_NAME DROP COLUMN COLUMN_NAME;