For more info, see JSON Path Expressions (SQL Server).The default value for path is '$'. As a result, if you don't provide a value for path, JSON_QUERY returns the input expression.If the format of path isn't valid, JSON_QUERY returns an error....
This is the simplest of the functions for JSON support in SQL Server. It takes one string argument as the input, validate it and returns a BIT; 1 if the provided JSON is a valid one or returns 0 if it doesn’t. 这是SQL Server中最简单的JSON支持功能。 它以一个字符串参数作为输入,对其...
SQL Server 2025 (17.x) Preview introduces the following JSON enhancements, all currently in preview: Modify method for thejsontype CREATE JSON INDEX JSON_CONTAINS function ANSI SQL path expression array wildcard support ANSI SQL WITH ARRAY WRAPPER clause in JSON_QUERY function ...
In the third query, the filter scope is a Part field of an element in a LineItems array. @ refers to a Part field. Example 14-3 JSON_EXISTS: Filter Conditions Depend On the Current Item This example selects purchase-order documents that have both a line item with a part that has ...
JSON functions in SQL Server enable you to analyze and query JSON data, transform JSON to relational format, and export SQL query results as JSON text. If you have JSON text, you can extract data from JSON or verify that JSON is properly formatted using built-in functions JSON_VALUE, JSON...
FOR JSON Language Extensions Server Management Objects (SMO) SQLXML Windows Management Instrumentation (WMI) Internals & Architecture Installation Migrate & load data Manage, monitor, & tune Query data Reporting & Analytics Security Tools Tutorials ...
您可以明確指定資料列集中的資料行,以及用來填入資料行的 JSON 屬性路徑。 因為 OPENJSON 會傳回一組資料列,所以您可以在 Transact-SQL 陳述式的 FROM 子句中使用 OPENJSON,其與您在其他資料表、檢視或資料表值函式中的用法相同。 使用OPENJSON 將JSON 資料匯入 SQL Server,或者針對無法直接取用 JSON 的應用程式...
belong to the same (or different) outer values? In the example above the repeating message may hint the common parent but what if there were duplicates? How could we distinguish them? Here we need an artificial example to illustrate the point: The following two JSON instances are...
UseJSON_QUERYinstead. $.info.type[0]NULLErrorNot an array. $.info.noneNULLErrorProperty does not exist. Examples Example 1 The following example uses the values of the JSON propertiestownandstatein query results. SinceJSON_VALUEpreserves the collation of the source, the sort order of the resu...
If the JSON text contains duplicate properties - for example, two keys with the same name on the same level - theJSON_VALUEandJSON_QUERYfunctions return only the first value that matches the path. To parse a JSON object that contains duplicate keys and return all values, useOPENJSON, as sh...