在宽松模式下,JSON_QUERY返回 NULL。 在严格模式下,JSON_QUERY返回错误。 注解 宽松模式和严格模式 请参考以下 JSON 文本: JSON {"info": {"type":1,"address": {"town":"Cheltenham","county":"Gloucestershire","country":"England"},"tags": ["Sport","Wa
ISJSON (Transact-SQL)测试字符串是否包含有效 JSON。 JSON_VALUE (Transact-SQL)从 JSON 字符串中提取标量值。 JSON_QUERY (Transact-SQL)从 JSON 字符串中提取对象或数组。 JSON_MODIFY (Transact-SQL)更改 JSON 字符串中的值。 示例 在以下示例中,查询同时使用jsonCol表中的关系数据和 JSON 数据(存储在名为...
可以使用JSON_QUERY来提取credit_cards数组: sql DECLARE @j JSON = ' { "id": 2, "first_name": "Mamie", "last_name": "Baudassi", "email": "mbaudassi1@abc.net.au", "gender": "Female", "ip_address": "148.199.129.123", "credit_cards": [ { "type": "jcb", "card#": "354513...
SQL SERVER JSON_QUERY JSON_VALUE response_json: {"code":"000","message":"成功","data": {"secretKey":"","content":"{\"rule_result\":{\"risk_level\":\"\",\"reason_code\":[],\"hitted_rules\":[{\"name\":\"ZZC_DLQ0021\",\"description\":\"申请人(身份证、手机)最近90天内...
SQL++ query examples Couchbase is leading the way in the early adoption of the SQL++ specification, using it to unlock analytical JSON data interaction in Couchbase Server. By using SQL++ as a standardized base for querying, users benefit by easily transferring their skills from traditional ...
OPENJSON 函数采用单个 JSON 对象或 JSON 对象的集合,并将其转换为一行或多行。 OPENJSON 函数默认返回以下数据 : 从JSON 对象中,该函数返回在第一个级别找到的所有“键/值”对。 从JSON 数组中,该函数返回数组的所有元素及其索引。 可以添加可选的 WITH 子句来提供显式定义输出结构的架构 。
Examples of json operation(增删改查):fromhere CREATETABLEleanheat.TActivity ( idbigintPRIMARYKEY,--活动idtitlecharactervarying(128)NOTNULL,--活动名称pricepackage jsonbNOTNULL--价格套餐,格式如:[{"packagename":"成人票","price":25,"stock":1000},{"packagename":"儿童票(12岁以下)","price":15...
If you're returning results with FOR JSON, and you're including data that's already in JSON format (in a column or as the result of an expression), wrap the JSON data with JSON_QUERY without the path parameter. Examples Example 1 The following example shows how to return a JSON fragmen...
If you're returning results with FOR JSON, and you're including data that's already in JSON format (in a column or as the result of an expression), wrap the JSON data with JSON_QUERY without the path parameter.ExamplesExample 1The following example shows how to return a JSON fragment ...
使用JSON_QUERY 函数从 JSON 文本中提取对象或数组 显示另外 6 个 适用范围: SQL Server 2016 (13.x) 及更高版本 Azure SQL 数据库 Azure SQL 托管实例 JSON 的内置支持包括本文简要介绍的下列内置函数。 ISJSON测试字符串是否包含有效 JSON。 JSON_VALUE从 JSON 字符串中提取标量值。