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