SQL Server/T-SQL Tutorial/Transaction/Save points
A transaction with two save points
5>
6>
7> create table Bankers(
8> BankerID Integer,
9> BankerName VARCHAR(20),
10> BankerContactLName VARCHAR(20),
11> BankerContactFName VARCHAR(20),
12> BankerCity VARCHAR(20),
13> BankerState VARCHAR(20),
14> BankerZipCode VARCHAR(20),
15> BankerPhone VARCHAR(20)
16> )
17> GO
1>
2> insert into Bankers values (1, "ABC Inc.","Joe","Smith","Vancouver","BC","11111","111-111-1111");
3> GO
(1 rows affected)
1> insert into Bankers values (2, "DEF Inc.","Red","Rice", "New York", "DE","22222","222-222-2222");
2> GO
(1 rows affected)
1> insert into Bankers values (3, "HJI Inc.","Kit","Cat", "Paris", "CA","33333","333-333-3333");
2> GO
(1 rows affected)
1> insert into Bankers values (4, "QWE Inc.","Git","Black","Regina", "ER","44444","444-444-4444");
2> GO
(1 rows affected)
1> insert into Bankers values (5, "RTY Inc.","Wil","Lee", "Toronto", "YU","55555","555-555-5555");
2> GO
(1 rows affected)
1> insert into Bankers values (6, "YUI Inc.","Ted","Larry","Calgary", "TY","66666","666-666-6666");
2> GO
(1 rows affected)
1> insert into Bankers values (7, "OIP Inc.","Yam","Act", "San Franc","FG","77777","777-777-7777");
2> GO
(1 rows affected)
1> insert into Bankers values (8, "SAD Inc.","Hit","Eat", "Orland", "PO","88888","888-888-8888");
2> GO
(1 rows affected)
1> insert into Bankers values (9, "DFG Inc.","Sad","Lee", "Wisler", "PL","99999","999-999-9999");
2> GO
(1 rows affected)
1> insert into Bankers values (0, "GHJ Inc.","Bit","Lee", "Ticker", "MN","00000","000-000-0000");
2> GO
(1 rows affected)
1>
2>
3>
4> SELECT BankerID, BankerName
5> INTO #BankerCopy
6> FROM Bankers
7> WHERE BankerID < 5
8> BEGIN TRAN
9> DELETE #BankerCopy WHERE BankerID = 1
10> SAVE TRAN Banker1
11> DELETE #BankerCopy WHERE BankerID = 2
12> SAVE TRAN Banker2
13> DELETE #BankerCopy WHERE BankerID = 3
14> SELECT * FROM #BankerCopy
15> ROLLBACK TRAN Banker2
16> SELECT * FROM #BankerCopy
17> ROLLBACK TRAN Banker1
18> SELECT * FROM #BankerCopy
19> COMMIT TRAN
20> GO
(5 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
BankerID BankerName
----------- --------------------
4 QWE Inc.
0 GHJ Inc.
(2 rows affected)
BankerID BankerName
----------- --------------------
3 HJI Inc.
4 QWE Inc.
0 GHJ Inc.
(3 rows affected)
BankerID BankerName
----------- --------------------
2 DEF Inc.
3 HJI Inc.
4 QWE Inc.
0 GHJ Inc.
(4 rows affected)
1> SELECT * FROM #BankerCopy
2> GO
BankerID BankerName
----------- --------------------
2 DEF Inc.
3 HJI Inc.
4 QWE Inc.
0 GHJ Inc.
(4 rows affected)
1>
2> drop table #BankerCopy;
3> GO
1>
2>
3> drop table Bankers;
4> GO
1>
2>
The savepoint has meaning only inside a nested transaction.
Syntax for the SAVE TRANSACTION Statement
SAVE TRAN [ SACTION ] { savepoint_name | @savepoint_variable }