Udemy - Writing Advanced SQL Queries on Microsoft SQL Server [Free]

 

Udemy - Writing Advanced SQL Queries on Microsoft SQL Server

Free

• Lectures 30
• Length 2.5 hours
• Skill Levels All Levels
• Languages English
• Published 5/2018

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Description

Microsoft SQL Server is robust relational database management system used by so many 

organizations of various sizes including top fortune 100 companies.

SQL -Structural Query language is the language used to interrogate and manipulate
Microsoft SQL Server Databases.

This course is a beginners to slightly advanced course that will walk you through how to develop queries
to execute on and SQL Server Database.

We will  developing queries to  extract data from multiple tables using:
  Inner joins
  Left outer joins
  Right Outer joins

We will also be Summarising data with aggregate functions such as:
 COUNT
 SUM
 AVG
 MIN
 MAX
VAR
VARP

We will also be writing queries using various  analytic functions like:
LEAD
LAG
LAST_VAUE
FIRST_VALUE
PERCENT_RANK
CUME_DIST

SQL forms the cornerstone of all relational database operations. Taking full advantage of its power requires an in-depth understanding of the language. In this course, you learn to use the full potential of SQL to write simple queries for SQL Server databases. You will gain the practical skills to choose the best query method to ensure accuracy and avoid common errors or pitfalls.