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Update alter-stage.md
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xuanyiLee authored Nov 10, 2023
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Expand Up @@ -30,7 +30,7 @@ ENABLE = { TRUE | FALSE }

## 语法解释

- `IF NOT EXISTS`:可选参数,用于在创建 Stage 时检查是否已存在同名的 Stage,避免重复修改
- `IF EXISTS`:可选参数,用于在修改 Stage 时检查是否已存在要修改的 Stage。

- `stage_name`:要修改的 Stage 的名称。

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