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修改字符集排序規則與時區

如果RDS SQL Server實例的系統字符集排序規則和時區設置與業務邏輯不符,或者應用程序需要處理多個時區的數據時,您可以通過修改數據庫實例的字符集排序規則和時區配置來確保數據在不同時區之間的轉換和展示準確無誤。

背景信息

  • 實例默認的字符集排序規則:Chinese_PRC_CI_AS

  • 實例默認的時區:China Standard Time

  • 系統庫包括mastermsdbtempdbmodel

說明
  • 關于可選擇的字符集排序規則和時區,請以控制臺顯示為準。

  • 如果您要修改自建數據庫的字符集排序規則,請使用ALTER DATABASE <自建數據庫名稱> COLLATE <字符集排序規則>命令。

使用限制

修改系統字符集排序規則

說明
  • 修改字符集前,請確保實例中沒有任何用戶創建的數據庫(非系統數據庫)。實例中存在用戶數據庫時,控制臺將不顯示字符集修改入口。

  • 如果刪除了實例中的數據庫,刪除任務可能還在備實例中等待執行,為避免沖突,請確定主備實例均沒有數據庫后再修改字符集排序規則。

  1. 訪問RDS實例列表,在上方選擇地域,然后單擊目標實例ID。

  2. 在左側導航欄中單擊數據庫管理

  3. 數據庫管理頁面,單擊修改系統字符集排序規則

  4. 在彈出的對話框中,設置系統字符集排序規則,單擊確定

    重要

    修改字符集會重啟實例,該過程將持續2~10分鐘,期間實例將處于不可用狀態。

  5. 您可以在實例基本信息頁面查看修改后的系統數據庫字符集。

    image

修改時區

  1. 訪問RDS實例列表,在上方選擇地域,然后單擊目標實例ID。

  2. 在左側導航欄中單擊數據庫管理

  3. 數據庫管理頁面,單擊修改時區

  4. 在彈出的對話框中,設置時區,單擊確定。更多詳情,請參見時區與UTC偏移量對照表

    重要

    修改時區會重啟實例,高可用系列和集群系列實例將停機1分鐘內,基礎系列實例約停機5分鐘內,停機期間實例將處于不可用狀態。

  5. 在彈出對話框中,再次單擊確定

  6. 您可以在實例基本信息頁面查看修改后的時區。

    image

時區與UTC偏移量對照表

說明

部分國家在夏令時開始和結束時,需要手動將時鐘調快或調慢一小時,以切換到夏令時或返回到標準時間。夏令時(Daylight Saving Time,DST)是一種在一年特定時段內調整時鐘的措施,通過將當地時間調整為比標準時間提前一小時,以此節省能源等。具體交替開始和結束日期因國家和地區而有所不同。

時區

標準時間偏移

夏令時標記

備注

Afghanistan Standard Time

(UTC+04:30)

Kabul

Alaskan Standard Time

(UTC–09:00)

DST+1小時

Alaska

Arabian Standard Time

(UTC+04:00)

Abu Dhabi, Muscat

Atlantic Standard Time

(UTC–04:00)

DST+1小時

Atlantic Time (Canada)

AUS Central Standard Time

(UTC+09:30)

Darwin

AUS Eastern Standard Time

(UTC+10:00)

DST+1小時

Canberra, Melbourne, Sydney

Belarus Standard Time

(UTC+03:00)

Minsk

Canada Central Standard Time

(UTC–06:00)

Saskatchewan

Cape Verde Standard Time

(UTC–01:00)

Cabo Verde Is.

Cen. Australia Standard Time

(UTC+09:30)

Adelaide

Central America Standard Time

(UTC–06:00)

Central America

Central Asia Standard Time

(UTC+06:00)

Astana

Central Brazilian Standard Time

(UTC–04:00)

Cuiaba

Central Europe Standard Time

(UTC+01:00)

Belgrade, Bratislava, Budapest, Ljubljana, Prague

Central European Standard Time

(UTC+01:00)

DST+1小時

Sarajevo, Skopje, Warsaw, Zagreb

Central Pacific Standard Time

(UTC+11:00)

Solomon Islands, New Caledonia

Central Standard Time

(UTC–06:00)

DST+1小時

Central Time (US and Canada)

Central Standard Time (Mexico)

(UTC–06:00)

Guadalajara, Mexico City, Monterrey

China Standard Time

(UTC+08:00)

Beijing, Chongqing, Hong Kong, Urumqi

E. Africa Standard Time

(UTC+03:00)

Nairobi

E. Australia Standard Time

(UTC+10:00)

DST+1小時

Brisbane

E. Europe Standard Time

(UTC+02:00)

DST+1小時

Chisinau

E. South America Standard Time

(UTC–03:00)

Brasilia

Eastern Standard Time

(UTC–05:00)

DST+1小時

Eastern Time (US and Canada)

Georgian Standard Time

(UTC+04:00)

Tbilisi

GMT Standard Time

(UTC)

Dublin, Edinburgh, Lisbon, London

Greenland Standard Time

(UTC–03:00)

DST+1小時

Greenland

Greenwich Standard Time

(UTC)

Monrovia, Reykjavik

GTB Standard Time

(UTC+02:00)

DST+1小時

Athens, Bucharest

Hawaiian Standard Time

(UTC–10:00)

Hawaii

India Standard Time

(UTC+05:30)

Chennai, Kolkata, Mumbai, New Delhi

Jordan Standard Time

(UTC+02:00)

Amman

Korea Standard Time

(UTC+09:00)

Seoul

Middle East Standard Time

(UTC+02:00)

Beirut

Mountain Standard Time

(UTC–07:00)

DST+1小時

Mountain Time (US and Canada)

Mountain Standard Time (Mexico)

(UTC–07:00)

Chihuahua, La Paz, Mazatlan

US Mountain Standard Time

(UTC–07:00)

Arizona

New Zealand Standard Time

(UTC+12:00)

DST+1小時

Auckland, Wellington

Newfoundland Standard Time

(UTC–03:30)

DST+1小時

Newfoundland

Pacific SA Standard Time

(UTC–03:00)

Santiago

Pacific Standard Time

(UTC–08:00)

DST+1小時

Pacific Time (US and Canada)

Pacific Standard Time (Mexico)

(UTC–08:00)

Baja California

Russian Standard Time

(UTC+03:00)

Moscow, St. Petersburg, Volgograd

SA Pacific Standard Time

(UTC–05:00)

Bogota, Lima, Quito, Rio Branco

SE Asia Standard Time

(UTC+07:00)

Bangkok, Hanoi, Jakarta

China Standard Time

(UTC+08:00)

Kuala Lumpur, Singapore

Tokyo Standard Time

(UTC+09:00)

Osaka, Sapporo, Tokyo

US Eastern Standard Time

(UTC–05:00)

DST+1小時

Indiana (East)

UTC

UTC

Coordinated Universal Time

UTC–02

(UTC–02:00)

Coordinated Universal Time–02

UTC–08

(UTC–08:00)

Coordinated Universal Time–08

UTC–09

(UTC–09:00)

Coordinated Universal Time–09

UTC–11

(UTC–11:00)

Coordinated Universal Time–11

UTC+12

(UTC+12:00)

Coordinated Universal Time+12

W. Australia Standard Time

(UTC+08:00)

Perth

W. Central Africa Standard Time

(UTC+01:00)

West Central Africa

W. Europe Standard Time

(UTC+01:00)

DST+1小時

Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna

Dateline Standard Time

(UTC-12:00)

International Date Line West

Aleutian Standard Time

(UTC-10:00)

DST+1小時

Aleutian Islands

Marquesas Standard Time

(UTC-09:30)

Marquesas Islands

Easter Island Standard Time

(UTC-06:00)

DST+1小時

Easter Island

Eastern Standard Time (Mexico)

(UTC-05:00)

Chetumal

Haiti Standard Time

(UTC-05:00)

DST+1小時

Haiti

Turks And Caicos Standard Time

(UTC-05:00)

DST+1小時

Turks and Caicos

Paraguay Standard Time

(UTC-04:00)

DST+1小時

Asuncion

Venezuela Standard Time

(UTC-04:00)

Caracas

SA Western Standard Time

(UTC-04:00)

Georgetown, La Paz, Manaus, San Juan

Tocantins Standard Time

(UTC-03:00)

DST+1小時

Araguaina

SA Eastern Standard Time

(UTC-03:00)

Cayenne, Fortaleza

Argentina Standard Time

(UTC-03:00)

City of Buenos Aires

Montevideo Standard Time

(UTC-03:00)

Montevideo

Magallanes Standard Time

(UTC-03:00)

DST+1小時

Punta Arenas

Saint Pierre Standard Time

(UTC-03:00)

DST+1小時

Saint Pierre and Miquelon

Bahia Standard Time

(UTC-03:00)

DST+1小時

Salvador

Mid-Atlantic Standard Time

(UTC-02:00)

Mid-Atlantic - Old

Azores Standard Time

(UTC-01:00)

DST+1小時

Azores

Romance Standard Time

(UTC+01:00)

DST+1小時

Brussels, Copenhagen, Madrid, Paris

Morocco Standard Time

(UTC+01:00)

DST+1小時

Casablanca

Sao Tome Standard Time

(UTC+01:00)

Sao Tome

Egypt Standard Time

(UTC+02:00)

DST+1小時

Cairo

West Bank Standard Time

(UTC+02:00)

DST+1小時

Gaza, Hebron

South Africa Standard Time

(UTC+02:00)

Harare, Pretoria

FLE Standard Time

(UTC+02:00)

DST+1小時

Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius

Israel Standard Time

(UTC+02:00)

DST+1小時

Jerusalem

Kaliningrad Standard Time

(UTC+02:00)

Kaliningrad

Sudan Standard Time

(UTC+02:00)

Khartoum

Libya Standard Time

(UTC+02:00)

DST+1小時

Tripoli

Namibia Standard Time

(UTC+02:00)

DST+1小時

Windhoek

Arabic Standard Time

(UTC+03:00)

Baghdad

Turkey Standard Time

(UTC+03:00)

Istanbul

Arab Standard Time

(UTC+03:00)

Kuwait, Riyadh

Astrakhan Standard Time

(UTC+04:00)

Astrakhan, Ulyanovsk

Azerbaijan Standard Time

(UTC+04:00)

Baku

Mauritius Standard Time

(UTC+04:00)

Port Louis

Saratov Standard Time

(UTC+04:00)

Saratov

Georgian Standard Time

(UTC+04:00)

Tbilisi

Volgograd Standard Time

(UTC+04:00)

Volgograd

Caucasus Standard Time

(UTC+04:00)

Yerevan

West Asia Standard Time

(UTC+05:00)

Ashgabat, Tashkent

Ekaterinburg Standard Time

(UTC+05:00)

Ekaterinburg

Pakistan Standard Time

(UTC+05:00)

Islamabad, Karachi

Sri Lanka Standard Time

(UTC+05:30)

Sri Jayawardenepura

Nepal Standard Time

(UTC+05:45)

Kathmandu

Bangladesh Standard Time

(UTC+06:00)

Dhaka

Omsk Standard Time

(UTC+06:00)

Omsk

Myanmar Standard Time

(UTC+06:30)

Yangon (Rangoon)

Altai Standard Time

(UTC+07:00)

Barnaul, Gorno-Altaysk

W. Mongolia Standard Time

(UTC+07:00)

DST+1小時

Hovd

North Asia Standard Time

(UTC+07:00)

Krasnoyarsk

N. Central Asia Standard Time

(UTC+07:00)

Novosibirsk

Tomsk Standard Time

(UTC+07:00)

Tomsk

North Asia East Standard Time

(UTC+08:00)

DST+1小時

Irkutsk

Singapore Standard Time

(UTC+08:00)

Kuala Lumpur, Singapore

Taipei Standard Time

(UTC+08:00)

Taipei

Ulaanbaatar Standard Time

(UTC+08:00)

Ulaanbaatar

Aus Central W. Standard Time

(UTC+08:45)

Eucla

Transbaikal Standard Time

(UTC+09:00)

Chita

Yakutsk Standard Time

(UTC+09:00)

Yakutsk

West Pacific Standard Time

(UTC+10:00)

Guam, Port Moresby

Tasmania Standard Time

(UTC+10:00)

DST+1小時

Hobart

Vladivostok Standard Time

(UTC+10:00)

DST+1小時

Vladivostok

Lord Howe Standard Time

(UTC+10:30)

DST+1小時

Lord Howe Island

Bougainville Standard Time

(UTC+11:00)

Bougainville Island

Magadan Standard Time

(UTC+11:00)

Magadan

Norfolk Standard Time

(UTC+11:00)

DST+1小時

Norfolk Island

Sakhalin Standard Time

(UTC+11:00)

Sakhalin

Fiji Standard Time

(UTC+12:00)

Fiji

Kamchatka Standard Time

(UTC+12:00)

DST+1小時

Petropavlovsk-Kamchatsky - Old

Chatham Islands Standard Time

(UTC+12:45)

DST+1小時

Chatham Islands

UTC+13

(UTC+13:00)

Coordinated Universal Time+13

Tonga Standard Time

(UTC+13:00)

Nuku'alofa

Samoa Standard Time

(UTC+13:00)

DST+1小時

Samoa

Line Islands Standard Time

(UTC+14:00)

Kiritimati Island

相關文檔

通過API查詢或修改系統字符集排序規則和時區。