transactions

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Strategy for core data sales register

I have been trying to use a second managed object context (MOC) in core data to add sales which will be listed in an NSTableView as pending, until the user presses a button to process the transactions[详细]

2023-04-05 09:06 分类：问答
Newbie sql transaction question: preventing race in read - compute -write

I want to do the following in one transaction: read a column if the column value m开发者_运维技巧atches a certain condition, write out a new value to the column[详细]

2023-04-05 08:01 分类：问答
GAE Lookup Table Incompatible with Transactions?

My Python High Replication Datastore application requires a large lookup table of between 100,000 and 1,000,000 entries. I need to be able to supply a code to some method that will return the value as[详细]

2023-04-05 06:03 分类：问答
Oracle Transaction - Count table

I have a table where I need to constrain by category and then find all overlapping dates against some date range.This takes about 2 seconds, which is unacceptable to do on every transaction which occu[详细]

2023-04-05 05:28 分类：问答
JPA synch/commit error of a POJO DTO even if I do not want to save it

Due to lack of key words to capture this scenario, let me just proceed to describe it. The classes have been simplified.[详细]

2023-04-05 04:01 分类：问答
Some clarifications on different Isolation level in database transaction?

Below is the statement written from Wikipedia\'s Isolation article about REPEATABLE READS In this isolation level, a lock-based concurrency control DBMS implementation keeps read and write locks (ac[详细]

2023-04-05 02:29 分类：问答
Codeigniter - Transaction Test Mode Not Working

So what am I doing wrong? When I run the following开发者_运维技巧 code, the database is always updated even though transactions is in test mode.[详细]

2023-04-05 00:50 分类：问答
Read from Weblogic , write to ActiveMQ

I 开发者_开发问答have the following scenario: Read a message from a Weblogic queue and I have to write this to an ActiveMQ queue (transaction wise)[详细]

2023-04-04 18:30 分类：问答
EJB CMT and transaction timeout

In a Websphere7 environment, the container is set to timeout any transaction that last longer than 120 seconds for all of our CMT Session Beans.[详细]

2023-04-04 10:06 分类：问答
Issue with hibernate/Spring transaction management

I am facing a problem with Spring Transaction management. I am using hibernate as ORM framework. And below is my spring for transaction management.[详细]

2023-04-04 09:07 分类：问答