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chore: the ZH doc of adding multiple columns #1470

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Jan 14, 2025
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chore: the ZH doc of adding multiple columns #1470

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8 changes: 7 additions & 1 deletion i18n/zh/docusaurus-plugin-content-docs/current/reference/sql/alter.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ ALTER DATABASE db UNSET 'ttl';

```sql
ALTER TABLE [db.]table
[ADD COLUMN name type [options]
[ADD COLUMN name1 type1 [options], ADD COLUMN name2 type2 [options], ...
| DROP COLUMN name
| MODIFY COLUMN name type
| MODIFY COLUMN name SET FULLTEXT [WITH <options>]
Expand All @@ -77,6 +77,12 @@ ALTER TABLE monitor ADD COLUMN load_15 double;

列的定义和 [CREATE](./create.md) 中的定义方式一样。

我们可以在表中同时增加多个列：

```sql
ALTER TABLE monitor ADD COLUMN disk_usage double, ADD COLUMN disk_free double;
```

我们可以设置新列的位置。比如放在第一位：

```sql
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