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Panduan Optimization Query pada SQL Server
Pelajari teknik optimisasi query pada SQL Server. Daftar Sekarang!
- Deskripsi
- Materi
- Ulasan
Optimasi query adalah kunci untuk memastikan database Anda berjalan dengan efisien, terutama saat menangani data dalam skala besar. Dalam kursus ini, Anda akan mempelajari dan memahami cara SQL Server memproses, mengeksekusi, dan mengoptimalkan query.
Kursus ini dirancang untuk membantu Anda memahami bagaimana query bekerja di balik layar, termasuk memahami rencana eksekusi, indeks, statistik, serta berbagai operator yang digunakan SQL Server untuk mencari data. Dengan wawasan ini, Anda dapat meningkatkan kinerja database Anda secara signifikan dan mengurangi waktu eksekusi query secara efektif.
Apa yang akan anda pelajari?
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Pengenalan SQL Engine
- Cara kerja mesin SQL Server dalam memproses dan menjalankan query.
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Pemahaman Rencana Eksekusi (Execution Plan)
- Anatomy of Execution Plan: memahami setiap elemen rencana eksekusi.
- Perbedaan antara Scan dan Seek, serta demonstrasi keduanya.
- Operator penting seperti Nested Loop, Merge Join, dan Hash Join.
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Statistik pada SQL Server
- Memahami statistik database: header, vector, histogram.
- Dampak statistik yang kadaluwarsa pada kinerja query.
- Cara merawat dan memperbarui statistik secara otomatis.
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Teknik Optimasi Query
- Analisis operator mahal seperti Hash Match dan Sort.
- Menggunakan SET STATISTICS IO ON untuk menganalisis performa query.
- Indeks Non-Clustered pada tabel heap untuk query yang lebih cepat.
Belajar Query Optimization
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11. IntroductionPratinjau 1:27
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22. The SQL EnginePratinjau 1:17
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33. The Query Processing ProcessPratinjau 1:31
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44. The Search Space1:45Sorry, this lesson is currently locked. You need to complete "3. The Query Processing Process" before accessing it.
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55. Whats In the Cost1:33Sorry, this lesson is currently locked. You need to complete "4. The Search Space" before accessing it.
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66. Plan Cache Reuse1:21Sorry, this lesson is currently locked. You need to complete "5. Whats In the Cost" before accessing it.
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77. What Causes Recompilation0:52Sorry, this lesson is currently locked. You need to complete "6. Plan Cache Reuse" before accessing it.
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88. Terminology4:03Sorry, this lesson is currently locked. You need to complete "7. What Causes Recompilation" before accessing it.
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99. Anatomy of Execution Plan2:35Sorry, this lesson is currently locked. You need to complete "8. Terminology" before accessing it.
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1010. Execution Plan Output Options1:38Sorry, this lesson is currently locked. You need to complete "9. Anatomy of Execution Plan" before accessing it.
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1111. Scan VS Seek1:57Sorry, this lesson is currently locked. You need to complete "10. Execution Plan Output Options" before accessing it.
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1212. Scanning Demos2:10Sorry, this lesson is currently locked. You need to complete "11. Scan VS Seek" before accessing it.
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1313. Seeking Demos3:07Sorry, this lesson is currently locked. You need to complete "12. Scanning Demos" before accessing it.
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1414. The Bookmark Lookup4:09Sorry, this lesson is currently locked. You need to complete "13. Seeking Demos" before accessing it.
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1515. Aggregations2:03Sorry, this lesson is currently locked. You need to complete "14. The Bookmark Lookup" before accessing it.
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1616. Hash Match Operator3:06Sorry, this lesson is currently locked. You need to complete "15. Aggregations" before accessing it.
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1717. Joins The Nested Loop1:55Sorry, this lesson is currently locked. You need to complete "16. Hash Match Operator" before accessing it.
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1818. The Merge Join1:26Sorry, this lesson is currently locked. You need to complete "17. Joins The Nested Loop" before accessing it.
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1919. Joins The Hash Join1:18Sorry, this lesson is currently locked. You need to complete "18. The Merge Join" before accessing it.
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2020. Parallelism Introduction1:14Sorry, this lesson is currently locked. You need to complete "19. Joins The Hash Join" before accessing it.
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2121. DBCC SHOW STATISTICS1:36Sorry, this lesson is currently locked. You need to complete "20. Parallelism Introduction" before accessing it.
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2222. Anatomy of a Stats Header,Vector & Histogram4:25Sorry, this lesson is currently locked. You need to complete "21. DBCC SHOW STATISTICS" before accessing it.
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2323. Out of Date Statistics1:28Sorry, this lesson is currently locked. You need to complete "22. Anatomy of a Stats Header,Vector & Histogram" before accessing it.
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2424. Stale Statistics Demo1:17Sorry, this lesson is currently locked. You need to complete "23. Out of Date Statistics" before accessing it.
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2525. Maintaining Statistics1:26Sorry, this lesson is currently locked. You need to complete "24. Stale Statistics Demo" before accessing it.
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2626. Setting Up Statistics Maintenance Job4:36Sorry, this lesson is currently locked. You need to complete "25. Maintaining Statistics" before accessing it.
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2727. The Scan On Large Tables3:24Sorry, this lesson is currently locked. You need to complete "26. Setting Up Statistics Maintenance Job" before accessing it.
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2828. Using SET STATISTICS IO ON2:47Sorry, this lesson is currently locked. You need to complete "27. The Scan On Large Tables" before accessing it.
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2929. Non Clustered Indexes on Heaps2:45Sorry, this lesson is currently locked. You need to complete "28. Using SET STATISTICS IO ON" before accessing it.
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3030. The No Good Sort Operator3:30Sorry, this lesson is currently locked. You need to complete "29. Non Clustered Indexes on Heaps" before accessing it.
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3131.Unwinding The Spool2:01Sorry, this lesson is currently locked. You need to complete "30. The No Good Sort Operator" before accessing it.
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1. Introduction
1. Introduction
1:27
2. The SQL Engine
1:17
3. The Query Processing Process
1:31
Bagikan
Detail Kursus
Durasi
1 Jam 9 Menit
Materi
31
Tugas
1
Level
Sedang
Terpopuler
Jam Kerja
| Monday | 07.00 WIB - 16.00 WIB |
| Tuesday | 08.00 WIB - 15.00 WIB |
| Wednesday | 06.00 WIB - 15.00 WIB |
| Thursday | 07.00 WIB - 16.00 WIB |
| Friday | 08.00 WIB - 15.00 WIB |
| Saturday | Closed |
| Sunday | Closed |