isolation-level

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Logging JDBC/Hibernate/JPA transaction isolation levels

I\'m working on a Flex/BlazeDS/Spring/JPA/Hibernate web application hooked up to a Microsoft SQL Server database. It seems to be locking the tables too aggresively. From my research, it looks like usi[详细]

2023-01-08 12:39 分类：问答
Best Isolation Level to avoid deadlocks using an UPDATE sentence in Sql Server 2005

I need execute an update statement over an sql server table. This table is used by another process at the same time. Because that sometimes deadlocks occurs, which Isolation L开发者_JAVA百科evel do yo[详细]

2023-01-07 04:49 分类：问答
Application safe to use READ_COMMITTED_SNAPSHOT?

I have a large web application using a COM 开发者_高级运维data access layer against an SQL Server 2005 database. By default, the isolation level is READ_COMMITTED. Now I understand how READ_COMMITTED_[详细]

2023-01-06 20:56 分类：问答
how to ensure data consistency

c# application. I am doing a select followed by update of a column in a table. I am putting these in a separate transaction with isolation level set to Serializable. I am doing this to achieve data c[详细]

2023-01-06 10:33 分类：问答
Is it possible silently run something as Administrator

How to trick UAC in Vista and Windows 7? How can I run something that needs not just administrator rights, but especially must be told to run as Administrator.[详细]

2023-01-06 07:14 分类：问答
Run app from a service using CreateProcessAsUser

I\'m still trying to run an app calling it 开发者_如何学Cfrom windows service. I tried to use the way described by Scott Allen. It works. But still I can\'t bring the app to the screen to interact wit[详细]

2023-01-06 00:09 分类：问答
JPA and MySQL transaction isolation level

I have a native query that does开发者_如何学JAVA a batch insert into a MySQL database: String sql = \"insert into t1 (a, b) select x, y from t2 where x = \'foo\'\";[详细]

2023-01-01 21:16 分类：问答
Locking a table for getting MAX in LINQ

I have a query in LINQ, I want to get MAX of Code of my table and increase it and insert new record with new Code. just like the IDENTITY feature of SQL Server, but here my Code column is char(5) wher[详细]

2023-01-01 14:59 分类：问答
Which isolation level should I use for the following insert-if-not-present transaction?

I\'ve written a linq-to-sql program that essentially performs an ETL task, and I\'ve noticed many places where parallelization will improve its performance.However, I\'m concerned about preventing uni[详细]

2022-12-31 17:36 分类：问答
How to figure the read/write ratio in Sql Server?

How can I query the read/write ratio in Sql Server 2005?Are there any caveats I should be aware of? Perhaps it can be found in a DMV query, a standard report, a custom report (i.e the Performance Das[详细]

2022-12-29 14:28 分类：问答