The tag has no usage guidance.

learn more… | top users | synonyms

0
votes
1answer
36 views

Google datastore modeling help

I have a very simple requirement. I have an application where users log in, add/remove/view friends, and can send/receive (also view the message you sent and received) a message (message is more like ...
1
vote
1answer
30 views

Google Datastore model User and Messages efficently

I have two kinds: USER and MESSAGES. A user can send/receive many messages to/from another user. Thinking in a relational way the relationship would suggest a user can have many messages, and a ...
0
votes
0answers
30 views

Data Model for a popular/basic type of social app

I am trying to learn about Google Datastore and creating a basic application to have some practical experience with it opposed to just reading the docs. I would like to create a basic social ...
2
votes
1answer
229 views

Google Datastore (NoSQL) backend for PHP CMS

I am working on a personal project where I am creating a small CMS using PHP as the developing language, but I want to be able to deploy it to the Google App Engine and I want to use its Google ...
2
votes
1answer
115 views

how to implement JPA

I have developed an application in Java that is registered on Google App Engine. I need to store some data on data store. But, I am completely unaware about its implementation. Actually, I have ...
2
votes
1answer
1k views

How to migrate data from Google AppEngine Datastore

How to migrate data from Google AppEngine's Datastore to other database (not Datastore)? There is appcfg.py download_data but it produces sqlite3 file with empty bulkloader_database_signature and ...