SQL-DML-数据库操纵语言
SELECT column_name FROM table_name
BEGIN TRANSACTION;
INSERT INTO table_name VALUES(value1,value2,...) ;
COMMIT;
UPDATE table_name
SET column = expression;
DELETE FROM table_name
WHERE condition;
SELECT column_name FROM table_name
BEGIN TRANSACTION;
INSERT INTO table_name VALUES(value1,value2,...) ;
COMMIT;
UPDATE table_name
SET column = expression;
DELETE FROM table_name
WHERE condition;