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射茶包:SQL Server連線問題排除實戰

SQL Server連線問題排除實戰
Rating: 5.0 out of 55.0 (2 ratings)
18 students
Created by Rico Chen
Last updated 10/2018
Traditional Chinese
30-Day Money-Back Guarantee

What you'll learn

  • 獲取SQL Server三種通訊協定知識
  • 獲取SQL Server和Windows Server的TCP相關重要設定
  • 獲取SQL Server連線問題除錯方法
  • 獲取SQL Server連線問題可能主因

Course content

2 sections • 7 lectures • 1h 54m total length

  • Preview05:12
  • Preview15:01
  • Server及Client的TCP/IP重要設定
    22:14
  • TCP/IP連線問題檢測步驟
    14:29
  • 麻煩的連線問題及常見主因
    24:15
  • 連線問題除錯利器
    10:40

  • SQL和Windows驗證
    22:45

Requirements

  • 會使用 SSMS 工具連接SQL Server Instance
  • 會使用Configuration Manager設定通訊協定
  • 了解TCP/IP和網路基礎知識
  • 了解Windows系統基礎和觀念

Description

@常常發生 SQL Server 無法連線的問題?

真實世界有時我們會遇到連線SQL Server問題,明明SQL服務正常、port也沒錯,但client就是無法正常連線SQL Server,

或是連接成功,但卻被非正常中斷連線,一個簡單的Client連接SQL Server過程,底層所涉及的處理其實相當複雜,

造成連線問題的因素很多,如防火牆設定、DNS、別名、協定順序,而且還需考慮SQL Server端相關網路服務設定。

老實說,要解決SQL Server連線問題,除了熟悉Client和SQL Server各項設定外,最好還須具備基本網路和系統知識,

依我個人經驗來說,兇手有來自網路層面,如網路傳輸封包遺失、MTU設定..等,但這種連線問題真的很棘手且不容易除錯,

而且我們永遠要知道擷取網路封包對Server所帶來的副作用,所以我們不可能馬上就進行這項耗時又高成本的問題重現工作,

當然也有來自Windows層面,如DC或DNS所造成,或Application層面,如Big Scan和wrong connection pool and timeout。


@一個簡單的Client連接SQL Server過程,底層所涉及的處理其實相當複雜!

我們都知道Client建立Session有兩大過程,即連線和驗證,

該課程第一部分,我將和大家介紹連線相關知識,和一些常見的連線問題及可能的主因,以及我個人使用的除錯方法,

同時我也會分享,Server及Client的TCP/IP重要設定,

但我要強調一點,開發人員無法保證Application存取SQL Server永遠不會遇到Timeout情況,

DBA也很難保證SQL Server的連線永遠不會被異常中斷,所以偶而發生且沒User抱怨,我們當然可以選擇忽略,

但對於一些重要Task建議要有Retry機制,而且這方法也比分析網路封包來的簡單又省時,

當然,如果連線問題已經影響到多數使用者,Retry也無法成功時,我們就必須花時間深入調查並正視它。

Who this course is for:

  • 本課程不適合新手,這是中高階SQL Server管理課程
  • 適合中高階DBA。
  • 適合中高階開發人員。
  • 適合SQL Server愛好者。
  • 適合對SQL Server效能調校有興趣者。
  • 適合立志朝高階SQL Server DBA、SQL Server Developer或資料庫架構師的專業人員。

Instructor

Rico Chen
浪跡Net埋首SQL Server效能調校工匠
Rico Chen
  • 4.8 Instructor Rating
  • 59 Reviews
  • 122 Students
  • 12 Courses

連續八年當選微軟最有價值專家,業界實務經歷超過10年。

擅長使用.NET/NetCore(C#) 技術開發 Web/OLTP 系統,並熟悉分散式架構設計實作、程式碼重構和效能調校,

也熟悉SQL Server應用開發、架構設計、效能調校和管理,

幫助許多企業從無到有規劃設計並開發核心系統、核心系統架構改造升級、核心系統效能調校,

並針對企業開發人員或DBA進行教育訓練,也擁有多年大型資料庫效能調校教學經驗

曾任企業資深架構師、RD經理、技術經理、資深研發工程師、專案經理、資深技術顧問、資深DBA,

微軟 SQL Server 研討會講師、Udemy線上講師、SQL Pass社群講師、RunPC(CIO前身)技術專欄作家。

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