What is IndexedDB and WebSQL?

What is difference between WebSQL and IndexedDB?

While both IndexedDB and WebSQL are solutions for storage, they do not offer the same functionalities. WebSQL Database is a relational database access system, whereas IndexedDB is an indexed table system. Don't start working with IndexedDB, relying on your assumptions from other types of databases.

What is IndexedDB used for?

IndexedDB is a newer facility for storing large amounts of data in the browser. You can use it to store data of any JavaScript type, such as an object or array, without having to serialize it. All requests against the database are asynchronous, so you get a callback when the request is completed.

What is WebSQL in Chrome?

Web SQL Database is a web page used for storing or managing the data in the database. The API is supported by Google Chrome, Opera and Android browsers. The Web SQL API is not a part of the HTML5 specification, but is a separate specification. It addresses a set of APIs to manipulate the client-side database.

What's the difference between IndexedDB and LocalStorage?

IndexedDB is not a key-value store in the same way that Local Storage is. Local storage just stores strings, so to put an object in local storage the usual approach is to JSON.