Beginning t-sql 2012

Livro beginning t-sql

<div>Become an expert who can use window functions to solve T-SQL query problems. Replace slow cursors and self-joins with queries that are easy to write and perform better. This new edition provides expanded examples, including a chapter from the world of sports, and covers the latest performance enhancements through SQL Server 2019.&nbsp;</div><div><br></div><div>Window functions are useful in a...

Become an expert who can use window functions to solve T-SQL query problems. Replace slow cursors and self-joins with queries that are easy to write and perform better. This new edition provides expanded examples, including a chapter from the world of sports, and covers the latest performance enhancements through SQL Server 2019. Window functions are useful in analytics and business intelligence r...

1. Looking through the Window2. Discovering Ranking Functions3. Summarizing with Window Aggregates4. Calculating Running and Moving Aggregates5. Adding Frames to the Window6. Taking a Peek at Another Row7. Understanding Statistical Functions8. Tuning for Better Performance9. Hitting a Home Run with Gaps, Islands, and Streaks10. Time Range Calculations11. Time Trend Calculations

1. Looking through the Window2. Discovering Ranking Functions3. Summarizing with Window Aggregates4. Calculating Running and Moving Aggregates5. Adding Frames to the Window6. Taking a Peek at Another Row7. Understanding Statistical Functions8. Tuning for Better Performance9. Hitting a Home Run with Gaps, Islands, and Streaks10. Time Range Calculations11. Time Trend Calculations

1. Looking through the Window2. Discovering Ranking Functions3. Summarizing with Window Aggregates4. Calculating Running and Moving Aggregates5. Adding Frames to the Window6. Taking a Peek at Another Row7. Understanding Statistical Functions8. Tuning for Better Performance9. Hitting a Home Run with Gaps, Islands, and Streaks10. Time Range Calculations11. Time Trend Calculations

1. Looking through the Window2. Discovering Ranking Functions3. Summarizing with Window Aggregates4. Calculating Running and Moving Aggregates5. Adding Frames to the Window6. Taking a Peek at Another Row7. Understanding Statistical Functions8. Tuning for Better Performance9. Hitting a Home Run with Gaps, Islands, and Streaks10. Time Range Calculations11. Time Trend Calculations

1. Looking through the Window2. Discovering Ranking Functions3. Summarizing with Window Aggregates4. Calculating Running and Moving Aggregates5. Adding Frames to the Window6. Taking a Peek at Another Row7. Understanding Statistical Functions8. Tuning for Better Performance9. Hitting a Home Run with Gaps, Islands, and Streaks10. Time Range Calculations11. Time Trend Calculations

Become an expert who can use window functions to solve T-SQL query problems. Replace slow cursors and self-joins with queries that are easy to write and perform better. This new edition provides expanded examples, including a chapter from the world of sports, and covers the latest performance enhancements through SQL Server 2019. Window functions are useful in analytics and business intelligence r...