(Last Updated: 9/2020)

https://www.udemy.com/course/sql-code-challenges-use-sql-to-answer-business-questions/

Build 21 SQL Queries  to solve  business problems in   Real  World

What you'll learn

Build SQL Query to get all records from a database table

Build SQL Query to get specific records from a database table

Build SQL Query to get data from multiple database tables

Build SQL Query to filter and get specific records from a database table

Build SQL Queries using various Operators

Build SQL Queries that sorts records retrieved from a database table

Build SQL Queries that groups data

Build SQL Queries that use aggregate functions

Build SQL Queries that uses wild characters

Requirements

Basic knowledge of SQL is required but not a show stopper

Basic knowledge of database concepts

Software and database required. The course shows you how to install them

Description

SQL is a standard language for storing, manipulating and retrieving data in databases.SQL is a standard language for storing, manipulating and retrieving data in databases.

The best way to build up your skills in any area is by practice. This course is a hands-on practical learn by doing course.

SQL ( SQL -Structural Query language ) is one of the most popular and sort after skills in the IT industry. SQL Skills is so important especially with big data and data dependent businesses and applications from Facebook to our local banks.

This course was designed with the beginner in mind. The course starts by walking you through how to setup a lab where you will download and install Microsoft SQL Server and the sample Northwind database.

In this course we will solve 21 business related problem questions by building SQL queries to interrogate the database and produce the answers to solving the business problems.

We will use the following while building our queries to solve the business problems :

Retrieve data with SELECT

Use Case Expressions

Eliminate duplicates

Filter data with equality filters

Filter data with basic comparisons

Filter data with string comparisons

Filter data with logical comparisons

Filter data with NULL comparisons

Use order by clause

Sort data by ascending and descending order

Use Table joins to extract data from multiple tables

Use UNION operator to combine results of two or more SELECT Statements

Aggregate functions to compute a single output value

GROUP BY Clause to group related data

By the end of this course you will be would have gained enough skills to interrogate Databases.

Who this course is for:

Beginners to SQL

Beginner Data Analyst

Beginner Data Scientist

Beginner Database Administrator

Beginners to Data Warehouse