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コース概要
Introduction
- What are Analytic Functions?
- Benefits and use cases
- Overview of common Analytic Functions
Basic Analytic Functions
- ROW_NUMBER(), RANK(), DENSE_RANK()
- Understanding PARTITION BY and ORDER BY clauses
- Examples and use cases
Statistical Analytic Functions
- SUM(), AVG(), MIN(), MAX()
- LEAD() and LAG()
- Use cases and scenarios
Windowing Clause
- Exploring the WINDOWING clause
- Understanding UNBOUNDED, CURRENT ROW, and N PRECEDING/FOLLOWING
- Practical applications
Advanced Analytic Functions
- FIRST_VALUE() and LAST_VALUE()
- PERCENTILE_CONT() and PERCENTILE_DISC()
- Use cases and comparisons
Complex Queries with Analytic Functions
- Combining Analytic Functions with GROUP BY
- Nested Analytic Functions
- Real-world examples
Optimizing Analytic Functions
- Efficient use of Analytic Functions in large datasets
- Analyzing query performance
- Indexing strategies
Troubleshooting and Best Practices
- Identifying and resolving common issues
- Best practices for writing efficient queries
- Tips for maintaining and updating Analytic Function queries
Summary and Next Steps
要求
- Basic understanding of SQL
- Familiarity with relational databases
- Intermediate-level programming experience, preferably in SQL
Audience
- Database administrators
- SQL developers
- Data analysts
21 時間
お客様の声 (5)
Hands-on examples allowed us to get an actual feel for how the program works. Good explanations and integration of theoretical concepts and how they relate to practical applications.
Ian - Archeoworks Inc.
コース - ArcGIS Fundamentals
Lab exercise
Tse Kiat - ST Engineering Training & Simulation Systems Pte. Ltd.
コース - Automated Monitoring with Zabbix
All the topics which he covered including examples. And also explained how they are helpful in our daily job.
madduri madduri - Boskalis Singapore Pte Ltd
コース - QGIS for Geographic Information System
私はパブロのスタイル、レポートのデザイン、HTML によるカスタマイズからシンプルな ML アルゴリズムの実装まで、多くのテーマをカバーしている点が気に入りました。Go理論情報と演習のバランスも取れています。パブロは私が興味を持っているすべてのトピックを実際にカバーし、私の質問に包括的に答えてくれました。
Cristian Tudose - SC Automobile Dacia SA
コース - Advanced Data Analysis with TIBCO Spotfire
Machine Translated
Actual application of spotfire and all basic functions.
