Jim Lawrence
accessd at shaw.ca
Thu Aug 12 20:47:11 CDT 2010
Hi Stuart:
That is correct Stuart but check out Han's post on the subject. The question
is can the rollback be done via connection calls from ADO-OLE.
Are the following comments written by a MySQL programmer correct or just
dated?
http://www.draconianoverlord.com/2010/07/22/dammit-mysql.html
Jim
-----Original Message-----
From: dba-sqlserver-bounces at databaseadvisors.com
[mailto:dba-sqlserver-bounces at databaseadvisors.com] On Behalf Of Stuart
McLachlan
Sent: Thursday, August 12, 2010 5:12 PM
To: Discussion concerning MS SQL Server
Subject: Re: [dba-SQLServer] Upgrade to MySql
On 12 Aug 2010 at 14:52, Jim Lawrence wrote:
> There are a few good reasons for not going to MySQL.
>
> For example you can not roll back a transaction or series of
> transactions. For any application, that is at all like accounting,
> that is a big minus.
http://dev.mysql.com/doc/refman/5.0/en/commit.html
MySQL 5.0 Reference Manual :: 12 SQL Statement Syntax :: 12.3 MySQL
Transactional and
Locking Statements :: 12.3.1 START TRANSACTION, COMMIT, and ROLLBACK Syntax
12.3.1. START TRANSACTION, COMMIT, and ROLLBACK Syntax
START TRANSACTION [WITH CONSISTENT SNAPSHOT] | BEGIN [WORK]
COMMIT [WORK] [AND [NO] CHAIN] [[NO] RELEASE]
ROLLBACK [WORK] [AND [NO] CHAIN] [[NO] RELEASE]
SET autocommit = {0 | 1}
The START TRANSACTION or BEGIN statement begins a new transaction. COMMIT
commits the current transaction, making its changes permanent. ROLLBACK
rolls back the
current transaction, canceling its changes. The SET autocommit statement
disables or
enables the default autocommit mode for the current session.
Beginning with MySQL 5.0.3, the optional WORK keyword is supported for
COMMIT and
ROLLBACK, as are the CHAIN and RELEASE clauses. CHAIN and RELEASE can be
used
for additional control over transaction completion. The value of the
completion_type system
variable determines the default completion behavior.
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