a048a01d__DB_to_IndexedDB___HTML5_Rocks__Category
[WebSQL] A real, relational database implementation on the client (SQLite). [IndexedDB] Allows fast indexing and searching of objects, so in a web application scenario, you can manage your data and read/write it fast. A NoSQL database that let you work with your JavaScript objects and indexing them based on your application needs. Works in asynchronous mode with moderately granular locking per transaction. This allows you to work inside the event-driven module of JavaScript. [Category] 
Advantages
A d v a n t a g e s
D i s a d v a n t a g e s
L o c a t i o n
Q u e r y M e c h a n i s m
T r a n s a c t i o n
T r a n s a c t i o n C o m m i t s
Migrating your WebSQL DB to IndexedDB - HTML5 Rocks