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> Mirror of <https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/dc-sql-reference/json-scalar.html> (Salesforce, Data 360 Query Guide), read 2026-10-23. Salesforce's own page is the authority; this copy exists because that site refuses non-browser readers.

## `JSON_SCALAR`

**Applies to:** ✅ Data 360 SQL ✅ Tableau Hyper API

Converts a value to its [JSON](https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/dc-sql-reference/json.html) representation.

*   `<value>`: The value to convert. Can be a number, Boolean, string, date/time value, `json` value, SQL array, or row.

Returns a `json` value.

*   Numbers, Booleans, and `json` values are represented directly.
*   Any other scalar uses its text representation, escaped as needed to form a valid JSON string.
*   SQL arrays become JSON arrays, converted recursively.
*   Rows become JSON objects.
*   A `NULL` input returns SQL `NULL`, not the JSON literal `null`.
*   Values already typed as `json` are forwarded unchanged.

*   The conversion is similar to a text cast, but uses a slightly different format for dates and timestamps. Dates use the form `2022-01-01`, timestamps use `2022-01-01T01:02:03.005`, and timestamps with time zone include the offset, for example `2022-01-01T01:02:03.005+00:00`.
*   Special floating-point values are represented as JSON strings: `"NaN"`, `"Infinity"`, and `"-Infinity"`. The values `0` and `-0` are distinguished.
*   `bigint` and `numeric` values are printed in full, even when they aren’t exactly representable as JavaScript numbers.
*   Some types can’t be converted, such as `bytes`.

Numbers and Booleans are represented directly, while strings are escaped into JSON strings.

Returns `-1`, `true`, and `"{\"a\":1}"`.

A `json`-typed value is preserved as JSON rather than escaped.

Returns `{"a":1}`.

Date and time values use the JSON-friendly format.

Returns `"2022-01-01"` and `"2022-01-01T01:02:03.005"`.

SQL arrays become JSON arrays, and rows become JSON objects.

Returns `[-1,1]` and `{"a":42,"b":"text","c":true}`.

A `NULL` input returns SQL `NULL`, not the JSON literal `null`.

Returns `true`.

*   [JSON Type](https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/dc-sql-reference/json.html)
*   `[JSON_ARRAY](./json-array.md)` - Build a JSON array from a list of values.
*   `[JSON_OBJECT](./json-object.md)` - Build a JSON object from key-value pairs.
*   `[json](./json-constructor.md)` - Parse a string into a JSON value.


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