Ending a transaction by reverting to the changes made by the transaction.

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32 views

Transactional DDL workflow for MySQL

I was a little surprised to discover that DDL statements (alter table, create index etc) implicitly commit the current transaction in MySQL. Coming from MS SQL Server, the ability to do database ...
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0answers
64 views

Identifying if spid on SQL Server is in rollback after low disk space

On a test box I wanted to get an idea of how long adding an identity field would take to a table with roughly a half billion rows. The process ran for about 10 hours and we noticed it was getting ...
2
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397 views

Understanding how sys.dm_exec_requests represents queries being rolled back

I'm not sure whether this was an actual problem or just a normal situation where I needed to wait for rollback to finish. In either case, some insight would be appreciated. Background details I ...
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158 views

Backup of msdb stuck in rollback

A native full backup of msdb on a SQL Server 2005 Enterprise instance (9.0.4053) deployed on a two-node Win2K3 cluster (Microsoft Windows NT 5.2 (3790)) is currently stuck in rollback. The DB is in ...
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38 views

MYSQL: InnoDB inserts wont rollback transaction inside a stored procedure

I have this stored procedure: START TRANSACTION; code_gen_loop: WHILE @Codes > 0 DO IF MOD( @Codes, 10000 ) = 0 THEN EXECUTE qry_status_stmt2; EXECUTE qry_status_stmt3; ...
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260 views

Log full and an Active_transaction on database

I have limited access to this server eg I cannot SELECT * FROM sys.dm_tran_session_transactions for example I, perhaps foolishly, ran this query to insert some test data... begin transaction update ...
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102 views

A rollback on a production server that's been running too long

I have a problem with a production server that is causing considerable locking and performance degradation. It all started the night of Tuesday into Wednesday with a procedure that inserts data into ...
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509 views

What problems can be caused by dropping a rollback segment manually?

Oracle version: 11.2.0.1 I have the following error: "Transaction recovery: lock conflict caught and ignored" I can't upgrade my database now. I had a RAC. Removed one node, but the undo tablesapce ...