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Update 2.drop-edge.md #991

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Sep 23, 2021
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Update 2.drop-edge.md #991

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2 changes: 1 addition & 1 deletion docs-2.0/3.ngql-guide/11.edge-type-statements/2.drop-edge.md
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Expand Up @@ -18,7 +18,7 @@
DROP EDGE [IF EXISTS] <edge_type_name>
```

- `IF NOT EXISTS`：检测待删除的Edge type是否存在，只有存在时，才会删除Edge type。
- `IF EXISTS`：检测待删除的Edge type是否存在，只有存在时，才会删除Edge type。

- `edge_type_name`：指定要删除的Edge type名称。一次只能删除一个Edge type。

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