I\'m using JPA2 and both @Entity and @Table have a name attribute, e. g.: @Entity(name=\"Foo\") @Table (name=\"Bar\")
I currently have a schema set up with my database and Java Application using OpenJPA that works most of the time, but sometimes I get the error for a few users:
Here is a question for all the objectify/ app engine gurus out there: I am creating ojectes with a parent/child relationship by storing the key of the parent object in the child.
I have an object with strings and integers as fields, which I can update without a problem. I just find the correct field with the unique id and call setPersonalName(\"Mike\"); and make this object wi
My intention is to return a newly persisted entity just in the same business call to a client in order to get the generated primary key needed for further business logic. Calling a finder method to fi
PHP supports the use of persistent SQLite connections. However, a problem arises in trying to run maintenance script开发者_Python百科s (like a file backup), with such a connection opened. These script
I\'m just starting to work with persistence and databases in my use of webapps. I have created several Entity classes and have a database connection set up in Eclipse, but I\'m not sure how to generat
I have a pretty simple tables structure: table Products with product_id and name attributes. table Barcodes with product_id (foreign key to the开发者_C百科 Products table) and code attributes.
Please change title if you know a better one, because I really don\'t know how to express the problem.
This question already has answers here: Spring Data JPA Update @Query not updating? (5 answers) Closed 2 years ago.
加载中,请稍侯......