在数据库开发中,JSON 数据存储日益普遍,如何高效解析嵌套 JSON 并转换为关系表成为核心痛点。围绕 SQL/JSON 处理,Oracle 提供 JSON_TABLE 函数,以路径表达式将 JSON 文档映射为二维表,支持嵌套数组展开、WHERE 过滤、JOIN 关联等操作。相比 JSON_VALUE 和 JSON_QUERY,JSON_TABLE 在处理多字段、多维数组时优势 ...
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