db rollback

The code is not intended to be used directly, just to provide a clue. Various features of PG, including not limited to tree subquery, prepared statements, batch insert support: The code has been revised and finalized for quite a long time, and will

(1). insufficient space for rollback segments ORA-01562-failed to extend rollback segment number string The reason for insufficient rollback segment space is generally as follows: A. The remaining free space in the tablespace where the rollback

As we all know, databases have transaction processing (Database Transaction), When no operations in a transaction can be performed, the previous operations will be rolled back. If operations are performed on the same database, you can directly use

1. Concepts Transaction uses the extent in the rollback segment in a round-robin manner. When the current extent is full, it is moved to the next extent. Multiple transactions may write data to the same extent at the same time, but only one

After studying Oracle for a long time, I would like to share with you that you will certainly have a lot of gains after reading this article. I hope this article will teach you more things. After the compiled code is generated, the next step is to

thinkphp transaction rollback processing and the original PHP transaction rollback instance, thinkphp instance 1. To support transactions within the program, the first connected database and data table must support the transaction MySQL for example:

########## #issue 0:db Alert has the following hint, thread 1 cannot allocatete new log, Sequenec 1111By checking the V$log, found 10 sets of logs, each set of 1G, one hours to produce 10G logs, should be sufficient.Suspicion is that a huge amount

: This article mainly introduces thinkphp's transaction rollback process and the original PHP transaction rollback instance. if you are interested in the PHP Tutorial, refer to it. 1. to support transactions in the program, the connected database

Transferred from Http://blog.163.com/[email protected]/blog/static/1394892972011611111559962/#userconsent #1. Explicit DB CommitThe explicit DB commit does not have a corresponding ABAP statement to execute the DB commit, which is done by the usual

The following is from: http://lovexueer.itpub.net/post/5072/49241 December 26 (Monday) Test environment: Os:xp db:9201 This test tests the following conditions: A. Normal shutdown database, database (not) archive, rollback segment table space lost,