Writing Basic SQL Select Statements With Actual Demonstration | 2020 Best Practices

This Basic SQL(Structured Query Language) Tutorial for beginners is useful if you are trying to develop a system with a database. The SQL Select statement is used to extract data from the database. 

You may also need to restrict all the columns you want to be displayed.

This lesson will show you all the SQL statements you need to perform these actions.

As the Simplest Form of SELECT Statements, It includes the following:

SELECT  - A LISTING OF ONE OR MORE COLUMNS
* /ASTERISK - IT means All Columns
DISTINCT - This is used to eliminate duplication of records
COLUMN - Selects the name of the column or expressions
ALIAS -  Using an alias, you can set a unique or proper heading of a column
FROM table - It uses to specify the target Table

To Download the Full database used in my Demonstration, follow the link here: //itsourcecode.com/wp-content/uploads/2020/02/companydb.zip