About INSERT INTO
Storing JPA Entity Objects
Explains how to use JPA to store (persist) entity objects in the database.... ( ) ; Splitting a batch store into multiple transactions is more efficient than using one transaction with ...
use of Singleton into tomcat
hi all. i would write a class singleton that encapsulate the entitymanagerFACTORY into it.(the entitymanagerFactory IS A property of the only instance of class singleton. (the class singleton is not a Ejb!!!!!!!!!). into tomcat it not possible use ejbs............. i have to manage the concurrency for the operations on db............... with a method static i can get the only instance of singleton for manage all operation on database. I get a instance of it into multiple servlet. ... encapsulate the entitymanagerFACTORY into it.(the entitymanagerFactory IS A property of the only instance of ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - select ...
Finance data from SQL Server into ObjectDB daily
Hello - I think ObjectDB might be just the solution for our current project but I would like some feedback from the community to see if I'm thinking about it right. We have a finance data mart that is appended to daily via an SSIS package. I would like to pull the data from SQL, add it to a bean and store it in the ObjectDB. This would all happen in an automated fashion. Does this make sense? Is there a way to map the structure of the table directly into ObjectDB from SQL Server? ... Is there a way to map the structure of the table directly into ObjectDB from SQL Server? Thanks. ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - select ...
how to persist an object twice into two diff. collections of two diff. classes
ok my problem, i persist a Squad Object into a Cup Object at the beginning, after i have to create and persist a competition object in which i have to put some of the already created/persisted squads. the final method looks like that: ... i persist a Squad Object into a Cup Object at the beginning, after i have to create and persist a ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - select ...
Error 613 - i cant put a list<Athlete> into a Squad object
hey guys Im a swiss student and my english is not that good and ive never posted in your forum, so thats why im sorry if im doing any mistakes, but i have big trouble, because ive to get this straight till end of week. i uploaded also all classes but if u see the problem in the main problem field the classes are copied after the problem description. the structure: ... if i want to extend my program with putting the Athletes into a squad it brings up an exception. so the problematic line would u find ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - select ...
CacheStoreMode.USE
Insert/update entity data into cache when read from database and when committed into database: this is the default behavior.(Enum Constant of javax.persistence.CacheStoreMode)
CacheStoreMode.REFRESH
Insert/update entity data into cache when read from database and when committed into database.(Enum Constant of javax.persistence.CacheStoreMode)
javax.persistence.CacheStoreMode
Used as the value of the javax.persistence.cache.storeMode property to specify the behavior when data is read from the database and when data is committed into the database.(Enum of JPA)
Shared (L2) Entity Cache
Explains how to set and use the EntityManagerFactory's shared cache (L2 / level 2) in JPA 2.... data is read from the database and when data is committed into the database. See JavaDoc Reference Page... enum: ... CacheStoreMode.BYPASS enum constant Don't insert into cache. See JavaDoc Reference Page... - cache is not ...
