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...
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....
JSON support requiresdatabase compatibility level130 or higher. Here's an example of JSON text: JSONCopy [ {"name":"John","skills": ["SQL","C#","Azure"] }, {"name":"Jane","surname":"Doe"} ] By using SQL Server built-in functions and operators, you can do the following things...
SQL/JSON functionjson_tablegeneralizes SQL/JSON conditionjson_existsand SQL/JSON functionsjson_valueandjson_query. Everything that you can do using these functions you can do usingjson_table. For the jobs they accomplish, the syntax of these functions is simpler to use than is the syntax ofjso...
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...
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...
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 的應用程式或...
JSON Copy { "my key $1": { "regularKey":{ "key with . dot": 1 } } } Examples Example 1 - Convert a JSON array to a temporary table The following example provides a list of identifiers as a JSON array of numbers. The query converts the JSON array to a table of identifiers...
JSON_MODIFY JSON_OBJECT JSON_PATH_EXISTS JSON_QUERY JSON_VALUE Mathematical Logical Metadata Ranking Replication Security String System System Statistical Text & Image Trigger Language elements Queries Statements xQuery Λήψητου PDF ΑνάγνωσησταΑγγλικά ...
Finally, there is a FOR JSON clause that can format any result set returned by SQL query as JSON text: SELECTobject_id,name FROMsys.tables FOR JSON PATH Check out the other posts in this four-part series in the links below (as they become available), or learn more in theSQL ...