1e41f4b71Sopenharmony_ci# oh_cursor.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci提供通过查询数据库生成的数据库结果集的访问方法。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci结果集是指用户调用关系型数据库查询接口之后返回的结果集合，提供了多种灵活的数据访问方式，以便用户获取各项数据。 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**引用文件：** <database/rdb/oh_cursor.h> 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**库：** libnative_rdb_ndk.z.so 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**起始版本：** 10 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**相关模块：**[RDB](_r_d_b.md) 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci## 汇总 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci### 结构体 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci| 名称 | 描述 | 25e41f4b71Sopenharmony_ci| -------- | -------- | 26e41f4b71Sopenharmony_ci| [OH_Cursor](_o_h___cursor.md) | 表示结果集。 | 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci### 类型定义 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci| 名称 | 描述 | 32e41f4b71Sopenharmony_ci| -------- | -------- | 33e41f4b71Sopenharmony_ci| [OH_ColumnType](_r_d_b.md#oh_columntype) | 数据库字段类型。 | 34e41f4b71Sopenharmony_ci| [OH_Cursor](_r_d_b.md#oh_cursor) | 表示结果集。 | 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci### 枚举 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci| 名称 | 描述 | 40e41f4b71Sopenharmony_ci| -------- | -------- | 41e41f4b71Sopenharmony_ci| [OH_ColumnType](_r_d_b.md#oh_columntype-1) {<br/>TYPE_NULL = 0, TYPE_INT64, TYPE_REAL, TYPE_TEXT,<br/>TYPE_BLOB, TYPE_ASSET, TYPE_ASSETS<br/>} | 数据库字段类型。 | 42