ALTER 語句修改數據表
ALTER TABLE [方案名.]OLD_TABLE_NAME RENAME TO NEW_TABLE_NAME;
ALTER TABLE [方案名.]TABLE_NAME RENAME COLUMN OLD_COLUMN_NAME TO NEW_COLUMN_NAME;
ALTER TABLE [方案名.]TABLE_NAME MODIFY COLUMN_NAME NEW_DATATYPE;
ALTER TABLE [方案名.]TABLE_NAME ADD COLUMN_NAME DATATYPE;
ALTER TABLE [方案名.]TABLE_NAME DROP COLUMN COLUMN_NAME;