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Udemy

Introduction to Data Extraction Using SQL

via Udemy

Overview

Master the basics of querying databases using SQL - The World's most popular database language

What you'll learn:
  • Install Database Server
  • Query all data in a table
  • Query data from specific table
  • Query DISTINCT Data
  • Query data with various types of operators
  • Filter data
  • Sort Data
  • Query data using aggregate function
  • Query data using table joins
  • Query data with subqueries

This introductory beginners course will help you master the basics of using SQL to query and retrieve data from databases.

You will learn how to filter & sort data, customize output, & how you can query aggregated data from a database.

In this course, we will focus on ANSI(American National Standards Institute) SQL that works on

every database like Oracle, MySQL, Microsoft SQL Server, PostgreSQL etc.


SQL has become a requirement for most database related jobs that include:

Database Administrator -DBA , Data analyst, BI (Business Intelligence) developer, programmer, database programmer.

SQL will let you communicate with the database and work with your data.


What You will learn include:

  • Writing SQL SELECT Statements

  • Eliminating duplicate rows using DISTINCT

  • Restricting and Sorting Data

  • WHERE clause, wildcard like IN, LIKE

  • Analysing data using various SQL Operators

  • Sorting data using ORDER BY clause

  • Using LIMIT Operator

  • Querying Aggregated Data Using the Group Functions

  • AVG, COUNT, MIN, MAX...

  • Using GROUP BY and HAVING Clauses

  • Displaying Data From Multiple Tables

  • Analysing data Using Subqueries

  • Filtering data







Taught by

Bluelime Learning Solutions

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4 rating at Udemy based on 39 ratings

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