679 json (javascript object notation) is a lightweight format that is used for data interchanging It is based on a subset of javascript language (the way objects are built in javascript) As stated in the mdn, some javascript is not json, and some json is not javascript An example of where this is used is web services responses. O formato de arquivo json usa dois tipos de símbolos para organizar os dados em sua estrutura, eles são { } neles é possível inserir valores de diversos tipos, veja este e.
This won't prettify the json representation To do so, one can previously rely on an external service such as jsbeautifier.org and paste the prettified result in the wiki. If you only work with the json representation in your application, postgresql is only used to store & retrieve this representation, you should use json If you do a lot of operations on the json value in postgresql, or use indexing on some json field, you should use jsonb. If you have to use special character in your json string, you can escape it using \ character See this list of special character used in json
How to use if statement inside json Asked 12 years, 6 months ago modified 3 years, 6 months ago viewed 178k times What is the preferred method for returning null values in json Is there a different preference for primitives For example, if my object on the server has an integer called "mycount" I had one json object on each line, without being wrapped in an array, and it formatted the first line's object, and deleted the other 2
1 from jsonproperty javadoc, defines name of the logical property, i.e Json object field name to use for the property If value is empty string (which is the default), will try to use name of the field that is annotated.
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