When storing a substantial amount of data, such as a big hashmap in JavaScript, what would be the optimal format for quick retrieval while also supporting Unicode?
Would XML or JSON be better suited for this purpose?
When storing a substantial amount of data, such as a big hashmap in JavaScript, what would be the optimal format for quick retrieval while also supporting Unicode?
Would XML or JSON be better suited for this purpose?
Having overly large javascript objects could indicate you're attempting a task that may not be best practice. Parsing XML can be even more challenging as it needs to be processed in order to extract useful information.
In this scenario, utilizing an AJAX query to communicate with a RESTful interface connected to a reliable database backend would likely be a more efficient solution.
When it comes to accessing Javascript objects (especially for complex queries beyond retrieving a single item by its identifier), the performance is significantly slower compared to basic database operations.
I came across an interesting study conducted by the team at flickr on this subject. Their findings led them to prefer using csv format instead of xml and json.
When it comes to performance, JSON clearly outperforms XML.
However, as the data scale increases, querying a database on the backend may become the most practical solution, as local resources cannot compete with the efficiency of retrieving data from a large database.
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