isolation-level

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Isolation level in database

I understand isolation level concept. But how do you set it a开发者_StackOverflow中文版nd where? I have never seen it in java programs to mess with this.See the Connection interface.[详细]

2023-02-07 17:07 分类：问答
Isolation level required for reliable de/increments on a single field

Imagine we have a table as follows, +----+---------+--------+ id | Name| Bunnies| +----+---------+--------+[详细]

2023-02-06 09:12 分类：问答
Mysql with innodb and serializable transaction does not (always) lock rows

I have a transaction with a SELECT and possible INSERT. For concurrency reasons, I added FOR UPDATE to the SELECT. To prevent phantom rows, I\'m using the SERIALIZABLE transaction isolation level. Thi[详细]

2023-02-03 15:59 分类：问答
How do I unset/reset a transaction isolation level for SQL Server?

Maybe I\'m misunderstanding something about transactions or what SQL Server is doing but consider the following T-SQL:[详细]

2023-02-02 22:20 分类：问答
Difference between "read commited" and "repeatable read" in SQL Server

I think the above isolation levels are so alike. Could someone please describe wit开发者_运维技巧h some nice examples what the main difference is?Read committed is an isolation level that guarantees t[详细]

2023-01-22 01:37 分类：问答
LINQ + TransactionScope will not change isolation level in SQL Server Profiler

I\'m using the following format for commiting changes to my db using linq. Begin Transaction (Scope Serialized, Required)[详细]

2023-01-19 09:36 分类：问答
Setting Transaction Isolation Level in Berkeley DB Java Edition for Distributed Transactions (XA)

I am using di开发者_如何学Gostributed transactions in a BDB JE application to coordinate transactions across multiple BDB JE environments.I want to set the transaction isolation level to serializable.[详细]

2023-01-19 06:32 分类：问答
Understanding locking behavior in SQL Server

I tried to reproduce the situation of question [1]. On table, taken and filled with data from wiki\'s \"Isolation (database systems)\" [2],[详细]

2023-01-19 01:21 分类：问答
can OptimisticLockException occur if app srv Isolation level is set to READ COMMITTED?

I am using Websphere application server 7.0.0.0.9 with ;OpenJPA 1.2.3-SNAPSHOT\'. I have Set property of jdbc data source webSphereDefaultIsolationLevel=2 (READ COMMITTED).[详细]

2023-01-19 01:21 分类：问答
How can you see what transaction isolation level an arbitrary oracle session is using

I am trying to find out what isolatio开发者_如何学编程n level a particular session (not my own) has on an oracle server. Is there a v$.. view to get this?You can test bit 28 in the flag column in v$tr[详细]

2023-01-15 00:05 分类：问答