SQL/MySQL/Transaction/RollBack — различия между версиями

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м (1 версия)
 
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Версия 13:46, 26 мая 2010

User transaction in table

/*
mysql> select * from Student;
+-----------+------------+
| StudentID | Name       |
+-----------+------------+
|         1 | JJ Smith   |
|         2 | Joe Wang    |
|         3 | John Lee   |
|         4 | Jacky Chen |
+-----------+------------+
4 rows in set (0.03 sec)

*/
Drop table Student;
CREATE TABLE Student (
   StudentID INT NOT NULL PRIMARY KEY,
   Name      VARCHAR(50) NOT NULL
)TYPE = InnoDB;

INSERT INTO Student (StudentID,Name) VALUES (1,"JJ Smith");
INSERT INTO Student (StudentID,Name) VALUES (2,"Joe Wang");
INSERT INTO Student (StudentID,Name) VALUES (3,"John Lee");
INSERT INTO Student (StudentID,Name) VALUES (4,"Jacky Chen");
  
  
  
BEGIN;
INSERT INTO Student (StudentID, Name) VALUES (98, "Anne");
INSERT INTO Student (StudentID, Name) VALUES (99, "Julian");
ROLLBACK;
select * from Student;