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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)
トレーナーは教材と内容を私たちにとって最適だと考えたものに適応させ、成功しました。トレーニングの質は素晴らしかったです。
Jorge Sanchez Hernandez - CSMART - Carnival
コース - QGIS for Geographic Information System
Machine Translated
A lot of patience
Mateusz - WestWind Energy Polska Sp. z o.o.
Machine Translated
プロフェッショナルで非常に実用的、日常業務で役立ちます
Jozefin Rékasi - SC Automobile Dacia SA
コース - Advanced Data Analysis with TIBCO Spotfire
Machine Translated
このコースでは、私がコース開始前に興味があると言った領域、つまりデータ関係や Python スクリプトの使用について説明しました。データベースへの接続については、上級モジュールで説明します。
Cristian Tudose - SC Automobile Dacia SA
コース - Introduction to Spotfire
Machine Translated
I genuinely enjoyed the lots of labs and practices.
