How extract JSON data in SQL Server?

How to extract values from a nested JSON field in SQL

1. Postgres. Use the ->> operator to extract a value as text, and the -> to extract a JSON object: select my_json_field ->> ‘userId’, my_json_field -> ‘transaction’ ->> ‘id’, my_json_field -> ‘transaction’ ->> ‘sku’ from my_table;
2. Redshift.
3. MySQL.

How do I get SQL output in JSON format?

FOR JSON T-SQL Clause

1. Convert Results Using AUTO Mode. This is the simplest way to convert relational data into a JSON format as all that you have to do is to add FOR JSON AUTO clause at the end of your SELECT statement.
2. Convert Results Using PATH Mode. The PATH mode can be used in two ways:

Does SQL return JSON?

The FOR JSON AUTO keywords at the end of the SQL statement causes SQL Server to return JSON rather than a rowset. One of the first things to notice is that a single read using FOR JSON AUTO returns all the selected rows as an array of JSON objects.

Which of the following clause can format any result set returned by SQL query as JSON text?

Format query results as JSON, or export data from SQL Server as JSON, by adding the FOR JSON clause to a SELECT statement.

Is JSON SQL Server?

JSON is not a native data type. A SQL Server column that contains JSON data from the database perspective is a plain string column. You can write JSON data to a table column as you would write a regular string and you can do that in any versions of SQL Server, as well as in any other RDBMS.

Which version of SQL Server supports JSON?

SQL Server 2016
As the most-requested feature on the Microsoft SQL Server connect site, with more than 1,000 votes, support for JSON text processing has been added to SQL Server 2016.

Does SQL Server support JSON dataType?

JSON text is stored in VARCHAR or NVARCHAR columns and is indexed as plain text. Any SQL Server feature or component that supports text supports JSON, so there are almost no constraints on interaction between JSON and other SQL Server features.

Does SQL Server 2012 support JSON?

No. JSON support was new in SQL Server 2016.

What is JSON format in SQL?

JSON (JavaScript Object Notation) is a lightweight data interchange format. It is language independent, easy to understand and self-describing. It is used as an alternative to XML. JSON is a very popular data interchange format nowadays. Most modern services return the data into the JSON text.

What is JSON data in SQL?

JSON is the data format in order to pass the data from the sender to the receiver. SQL is the language used by relational databases in order to define data structures and query the information from them. JSON is not associated with any way to store or retrieve the data.

What is the function of JSON?

A JSON file is a file that stores simple data structures and objects in JavaScript Object Notation (JSON) format, which is a standard data interchange format. It is primarily used for transmitting data between a web application and a server. JSON files are lightweight, text-based, human-readable, and can be edited using a text editor.

What is a JSON statement?

FOR JSON Statement. You can execute a SQL query against your database and return the results as a JSON document by using the FOR JSON clause in a SELECT statement. JavaScript Object Notation (JSON) is a language-independent, text-based data interchange format developed for the serialization of JavaScript data.