satya - 4/23/2013 9:21:53 AM

Can I place unique constraints on columns in Parse?

satya - 4/23/2013 9:23:07 AM

Apparently as of 7 months ago this is not natively supported. Read this summary

The suggested solution is to write a trigger on the server side to check before saving!

satya - 4/23/2013 9:28:47 AM

Can you lock objects in Parse?

satya - 4/23/2013 9:30:18 AM

Apparently you cant. Here is a suggested work around

This proposes incrementKey and addUnique. This appears to be a big problem and wonder how critical this is!

satya - 4/23/2013 9:31:09 AM

What are Parse.com limitations?

satya - 4/23/2013 9:43:44 AM

What about transactions in NoSQL databases?

satya - 4/23/2013 9:43:58 AM

Are there transactions in Parse?