# 元数据操作
|                     代码样例文件路径                     |           样例方法名            |                               对应的API                                |
|---|---|---|
| com.huawei.ges.graph.sdk.v1.examples.persistence | testAddLabel               | [添加Label](https://support.huaweicloud.com/api-ges/ges_03_0432.html) |
| com.huawei.ges.graph.sdk.v1.examples.persistence | testUpdateLabel            | [更新Label](https://support.huaweicloud.com/api-ges/ges_03_0433.html) |
| com.huawei.ges.graph.sdk.v1.examples.persistence | testQueryGraphSchemaDetail | [查询元数据详情](https://support.huaweicloud.com/api-ges/ges_03_0435.html) |
| com.huawei.ges.graph.sdk.v1.examples.persistence | testQueryLabel             | [查询label](https://support.huaweicloud.com/api-ges/ges_03_0434.html) |