Dec 14, 2017 · I need to create a JSON output from a query that uses inner join between two tables with a one to many relationship. I would like the values of the secondary table to be nested as array properties of the primary table. Consider the following example: person_id int primary key, person_name varchar(20)

I am currently able to parse most of a JSON file using SQL Server's OPENJSON WITH (... syntax. However, this particular file contains nested arrays which I do not know how to handle. Many of the examples I read reference JSON as a variable. In this case I am calling a file:

6 days ago · Let's assume that this is absolutely valid JSON structure, representing nested (or multi-dimensional) array: Further assume we have a table in SQL Server with just two columns: the id INTEGER and jsondata NVARCHAR(MAX) for JSON, with two rows of …

Nov 1, 2015 · Today in this post I’ll talk about how to read/parse JSON string with nested array of elements, just like XML. – OPENJSON () Table valued function: parses JSON text and returns rowset view of JSON. – JSON_Value () Scalar function: returns a value from JSON on the specified path. We will see usage of both the functions in our example below:

You can use this Fiddle to follow along and practice nested JSON parsing with OPENJSON Function. Let's use an EmployeeData table that contains 5 sample records. Each record represents an employee with detailed information stored in JSON format under the EmployeeJSON column.

Nov 22, 2024 · You can organize collections of your JSON documents in tables, establish relationships between them, combine strongly typed scalar columns stored in tables with flexible key/value pairs stored in JSON columns, and query both scalar and JSON values in one or more tables by using full Transact-SQL.

Aug 30, 2024 · Integrating JSON with SQL Server stored procedures allows efficient handling of complex data formats. You can pass JSON data directly to procedures using functions like JSON_VALUE, JSON_QUERY, and OPENJSON. This approach simplifies processing nested structures and arrays, enhancing flexibility in data management.

Apr 2, 2025 · In this article, we will learn how to store, retrieve, and manipulate JSON data in SQL Server using various SQL functions. We will learn how JSON fits into SQL, demonstrate how to store JSON data in SQL tables and cover the most common JSON functions like ISJSON (), JSON_VALUE (), JSON_MODIFY (), and more. What is JSON in SQL Server?

Feb 3, 2023 · In SQL Server 2022, a new function named JSON_OBJECT was introduced to construct JSON objects using T-SQL. Also, the JSON_ARRAY was included to create arrays in JSON. This tutorial will show how to work with these new functions. The tutorial will include the following topics: For the last example, I will use the Adventureworks database.

Mar 15, 2025 · JSON is a lightweight data-interchange format structured as key-value pairs, supporting nested objects and arrays. In SQL, JSON can be stored in dedicated data types such as jsonb in PostgreSQL, which allows efficient querying. How It Works Under the Hood. Relational databases store JSON as text but provide functions to parse and query it.