---
title: "WEEKOFYEAR - OceanBase 数据库 V4.2.1 | OceanBase 文档中心"
description: "WEEKOFYEAR 声明 WEEKOFYEAR(date) 说明 返回日期或时间日期类型 date 所指定的周在一年中的位置。 示例 obclient> SELECT WEEKOFYEAR('2020-07-16'); +--------------------------+ | WEEKOFYEAR('2020-…"
---
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文档反馈![](https://mdn.alipayobjects.com/huamei_22khvb/afts/img/A*P8CuR4UJ_FkAAAAAAAAAAAAADiGDAQ/original) OceanBase 数据库分布式版 - V 4.2.1 LTS

# WEEKOFYEAR

更新时间：2026-07-15 20:56:55

[编辑](https://github.com/oceanbase/oceanbase-doc/edit/V4.2.1/zh-CN/700.reference/500.sql-reference/100.sql-syntax/200.common-tenant-of-mysql-mode/400.functions-of-mysql-mode/200.single-row-functions-of-mysql-mode/100.date-and-time-functions-of-mysql-mode/5700.weekofyear-of-mysql-mode.md)  

## 声明

```sql
WEEKOFYEAR(date)

```

## 说明

返回日期或时间日期类型 `date` 所指定的周在一年中的位置。

## 示例

```sql
obclient> SELECT WEEKOFYEAR('2020-07-16');
+--------------------------+
| WEEKOFYEAR('2020-07-16') |
+--------------------------+
|                       29 |
+--------------------------+
1 row in set

```

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