---
{
    "title": "REFRESH DATABASE",
    "language": "zh-CN"
}
---

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# REFRESH DATABASE

## Description

    该语句用于同步远端 Iceberg 数据库，会将 Doris 当前数据库下的 Iceberg 外表删除重建，非 Iceberg 外表不受影响。
    语法：
        REFRESH DATABASE db_name;

    说明：
        1) 仅针对 Doris 中挂载的 Iceberg 数据库有效。
        
## Example

    1. 刷新数据库 iceberg_test_db
        REFRESH DATABASE iceberg_test_db;
        
## keyword

    REFRESH,DATABASE