列举一些关于Doris的DDL语句

1 SELECT * FROM Doris;
2. INSERT INTO Doris VALUES (value1, value2,...);
3. UPDATE Doris SET column1=value1, column2=value2,... WHERE some_column=some_value;
4. DELETE FROM Doris WHERE some_column=some_value;
5. CREATE TABLE Doris (column1 datatype, column2 datatype, ...);
6. ALTER TABLE Doris ADD column datatype;
7. DROP TABLE Doris;