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wording-revision-of-schema-related-functions #2365

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13 changes: 9 additions & 4 deletions docs-2.0/3.ngql-guide/6.functions-and-expressions/4.schema.md
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# Schema 函数
# Schema 相关函数

本文介绍 NebulaGraph 支持的 Schema 函数。Schema 函数分为两类，一类适用于原生 nGQL 语句，另一类适用于 openCypher 兼容语句。
本文介绍 NebulaGraph 支持的 [Schema](../../1.introduction/2.data-model.md) 相关的函数。

## 原生 nGQL 语句适用
Schema 相关的函数分为两类：

- [适用于原生 nGQL 语句](#ngql)
- [适用于 openCypher 兼容语句](#opencypher)

## 原生 nGQL 语句适用

原生 nGQL 语句的`YIELD`和`WHERE`子句中可以使用如下介绍的函数。

Expand Down Expand Up @@ -204,7 +209,7 @@ edges 返回子图中的边的信息。详情参见 [GET SUBGRAPH](../16.subgrap

path 返回路径信息。详情参见 [FIND PATH](../16.subgraph-and-path/2.find-path.md)。

## openCypher 兼容语句适用
## openCypher 兼容语句适用

openCypher 兼容语句的`RETURN`和`WHERE`子句中可以使用如下介绍的函数。

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