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Pluralsight T-SQL Window Functions

Pluralsight T-SQL Window Functions crack

With the 2005 and 2012 releases of SQL Server, Microsoft gave us several new functions with amazing capabilities. These functions are part of the ANSI standards, and have nothing to do with the Windows OS. Some of these functions are well known, for example ROW_NUMBER is used by many people. In addition to ROW_NUMBER, we now have the ability to calculate summaries without changing a query to an aggregate query, calculate running totals, pull values from other rows, and perform statistical calculations. This course covers all of the available window functions including syntax, real world examples, and performance considerations.

 

Table of contents

Getting Started

 10:48
  • Introduction to Window Functions
      3:54
  • Demo 1: The Stock Market Problem
      1:56
  • Tools to Measure Performance
      0:22
  • Demo 2: Measuring Performance
      3:54
  • Course Overview
      0:41

Understanding the OVER Clause

 11:11
  • The Parts of the OVER Clause
      4:35
  • Demonstration: OVER Clause
      6:20
  • What's Next?
      0:15

Using Ranking Functions

 25:34
  • The Ranking Functions
      2:44
  • Demo 1: Ranking Functions
      3:07
  • Real World Examples
      1:19
  • Demo 2: Real World Examples
      9:34
  • Special Cases: Top and Distinct
      0:54
  • Demo 3: Top and Distinct
      1:58
  • Ranking Function Performance
      0:29
  • Demo 4: Performance
      5:01
  • What's Next?
      0:25

Using Window Aggregate Functions

 26:34
  • Introduction
      4:34
  • Demo 1: Window Aggregates
      2:27
  • Real World Examples
      0:30
  • Demo 2: Real World Examples
      3:24
  • Special Cases: Aggregate Queries and Distinct
      1:22
  • Demo 3: Aggregate Queries and Distinct
      4:05
  • Custom Aggregates
      0:53
  • Demo 4: Custom Aggregates
      1:59
  • Performance
      3:36
  • Demo 5: Performance
      3:22
  • What's Next?
      0:17

Understanding Framing

 13:58
  • Introduction
      2:29
  • Framing Example
      1:20
  • Framing Syntax
      4:23
  • ROWS vs. RANGE
      3:52
  • Syntax Review
      1:38
  • What's Next?
      0:14

Using Accumulating Window Aggregates

 20:03
  • Introduction
      1:43
  • Demo 1: Add the ORDER BY
      1:23
  • Framing
      2:32
  • Demo 2: Framing
      2:28
  • The Subscription Puzzle
      1:22
  • Demo 3: The Subscription Puzzle
      2:34
  • Performance
      3:39
  • Demo 4: Performance
      3:52
  • What's Next?
      0:25

Retrieving Data from Other Rows

 25:41
  • Introduction
      2:47
  • Demo 1: Using LAG and LEAD
      4:28
  • Using FIRST_VALUE and LAST_VALUE
      3:16
  • Demo 2: Using FIRST_VALUE and LAST_VALUE
      2:38
  • Real World Examples
      1:09
  • Demo 3: Real World Examples
      4:51
  • Performance
      2:16
  • Demo 4: Performance
      3:55
  • What's Next?
      0:17

Using Statistical Functions

 17:36
  • Introduction
      2:53
  • Demo 1: Using PERCENT_RANK and CUME_DIST
      3:08
  • Using PERCENTILE_CONT and PERCENTILE_DISC
      1:46
  • Demo 2: Using PERCENTILE_CONT and PERCENTILE_DISC
      2:34
  • Real World Examples
      0:37
  • Demo 3: Real World Examples
      1:35
  • Performance
      1:09
  • Demo 4: Performance
      0:55
  • Course Summary
      2:56

 

 

 

 

 

در این آموزش تصویری با نحوه استفاده از توابع T-SQL آشنا می شوید. این توابع چند منظوره به نام window functions  و T-SQL برای اولین بار در SQL Server 2012 منتشر شده است.

این دوره آموزشی محصول موسسه Pluralsight است.

سرفصل های دوره:

  • مقدمه ای بر Window Functions
  • ابزار برای اندازه گیری عملکرد
  • استفاده از رتبه بندی توابع
  • استفاده از Window Functions
  • کار با کوئری ها در  T-SQL
  • کار با فریم ها
  • کار با ROWS در مقابل RANGE
  • اضافه کردن ORDER BY
  • نحوه ی اشتراک پازل
  • کار با عملکرد برنامه
  • نحوه ی بازیابی داده ها
  • استفاده از توابع آماری
  • و…
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