Hallo, I want to get data into a database on a multicore system with ative WAL using JDBC. I was thinking about spawning multiple threads in my application to insert data parallely.
Hopefully a simple question, but one for which I haven\'t readily found a decent answer. I\'m reliably informed that stored procedures (user-defined DB functions) in PostgreSQL (specifically, version
I am getting the below error while deleting some rows and updating the table based on a condition from java. My database is PostgreSQL 8.4. Below is the error:
I have a VB.net CF app connecting to a SQL 2008 server. I\'m trying to implement transactions but when i break my code at the start of a transaction certain read queries cannot be done on the table.
Under what scenarios we use SERIALIZABLE Isolation level? I have seen some answers on website that says, when you want transaction to be completely isolated, we usually go for this.
The documentation I\'ve run across researching this indic开发者_开发问答ates that the way to do it for other databases is to use multiple statements in your query, a la:
Using "repeatable read", it should be possible to produce a 开发者_StackOverflowphantom read, but how? I need it for an example teaching CS-students.
How do I determine the isolation level in use for a given query? After a query is executed (by a 3rd party application) I\'d like to know which isolation level was used (e.g., read uncommitted).
I use in my project annotation-based transaction management (I annotate some methods with @Transactional). I would like t开发者_运维问答o set the isolation level globally (not by putting it as an argu
I am using JBoss EAP 4.3. I\'m currently looking into the different options for concurrency strategy when using the built-in JBoss TreeCache as a second level cache for Hibernate. I have set it up a
加载中,请稍侯......