在SQL Server中,可以使用JSON_VALUE函数在WHERE IN子句中使用JSON值。JSON_VALUE函数用于从JSON文本中提取指定的标量值。 使用JSON_VALUE函数的语法如下: JSON_VALUE (expression, path) 其中,expression是包含JSON数据的列或变量,path是指定要提取的值的路径。 在WHERE IN子句中使用JSON_VALUE函数时,可以...
In PL/SQL code,BOOLEANis a valid PL/SQL return type for built-in PL/SQL functionjson_value.Example 15-1illustrates this. Oracle SQL has no Boolean data type, so a string (VARCHAR2) value is used to return a JSON Boolean value.Example 15-2illustrates this — the query returns the stri...
The SQL/JSON function JSON_VALUE finds a specified scalar JSON value in JSON data and returns it as a SQL value. See Also: Appendix C in Oracle Database Globalization Support Guide for the collation derivation rules, which define the collation assigned to the value returned by this function...
使用JSON_MODIFY ( expression , path , newValue ) 修改JSON数据中的属性值,并返回修改之后的JSON数据,该函数修改JSON数据的流程是: 修改现有的属性:按照参数path从JSON数据中找到指定的属性,将该属性的Value修改为参数newValue,返回值是修改之后的JSON数据; 新增新的键值对(Key:Value pair):如果JSON数据中不存在...
JSON_MODIFY – modifies a value in a JSON string OPENJSON – convert JSON collection to a set of rows and columnsYou can also query JSON files using SQL serverless. The query's objective is to read the following type of JSON files using OPENROWSET....
For more information, seeValidate, Query, and Change JSON Data with Built-in Functions (SQL Server),JSON_VALUE (Transact-SQL), andJSON_QUERY (Transact-SQL). Change JSON values If you must modify parts of JSON text, you can use theJSON_MODIFY (Transact-SQL)function to update the value of...
Returns NULL if any argument is NULL or no paths locate a value in the document. An error occurs if the json_doc argument is not a valid JSON document or any path argument is not a valid path expression. The return value consists of all values matched by the path arguments. If it ...
In der AdventureWorks-Beispieldatenbank enthält die Tabelle Person keine jsonInfo-Spalte.) SQL Kopieren SELECT FirstName, LastName, JSON_VALUE(jsonInfo,'$.info.address.town') AS Town FROM Person.Person WHERE JSON_VALUE(jsonInfo,'$.info.address.state') LIKE 'US%' ORDER BY JSON_VALUE(...
SELECT valueFROM OPENJSON(@json, ‘$.info.tags’) In this example, string values from the tags array are returned. However, the OPENJSON function can return any complex object. Finally, there is a FOR JSON clause that can format any result set returned by SQL query as JSON text:...
LATERAL FLATTEN(JSON_EXTRACT(value, '$')) AS t(key, value) WHERE JSON_VALID(value) AND NOT JSON_TYPE(value) IN ('OBJECT', 'ARRAY') )SELECT id, path, valueFROM json_leaf; 2023-07-31 22:22:36 发布于北京 举报 赞同 评论 打赏 Systemctl777 在DataWorks中,可以使用SQL处理JSON数据。以...