97 | Does JPA have any configuration to create DDL's that are database specificThere some JPA classes who's names more that 30 character. This worked well in MySQL , Derby , PostgreSQL but when it was tried on oracle , we hit the constraint that oracle has of 30 characters. So basically my question is that is there any JPA have any configuration to create DDL's |
97 | How to create a Unique constraint?Hi, I'm trying to create a unique constraint. Here is a simple example: @Entity public class Account { @Id @GeneratedValue private long id; @Index(unique="true") private String name; } The code runs and my Account objects are persisted. But no exception is thrown |
97 | JPA - ExceptionInInitializerError when creating EntityManager & Also, My client Computer. Create a separate project & copy my original sources into it. I did |
95 | ODBC - How to create a DSN connection in WindowODBC - How to create a DSN connection in Window |
95 | Are indexes implicitly created for relationships?Are indexes implicitly created for relationships? |
95 | How to creat a Query with Sql which returns a List<Mark> marksHow to creat a Query with Sql which returns a List<Mark> marks |
19 | Query execution creates a wrong resultQuery execution creates a wrong result |
11 | javax.persistence.criteria.MapJoin expression of the given type Since: JPA 2.0 Expression<Entry<K,V>> entry() Create an expression that corresponds to the map entry. Create an expression that corresponds to the map entry. Returns: expression corresponding to the map entry Since: JPA 2.0 Fetch<X,Y> fetch(String attributeName) Create |
1 | [ODB1] Chapter 8 - ObjectDB Server if the –conf parameter is not used. Also, if you do not use the –conf parameter and do not create ... " address="127.0.0.1"> <dir path="/"> <permissions access="+" modify="+" create ... .0.1"> <dir path="/"> <permissions access="+" modify="+" create="+" delete |
1 | [ODB1] Chapter 9 - ObjectDB Explorer to browse databases, execute JDOQL queries, create new databases and edit the content of existing ... used as a viewer of database files, but it can also function as an editor. Therefore, you can create new database files and edit exiting database files using the Explorer. Creating a new Database |
