SQL

1. By : Dhirendra Chauahn

2. SQL
Aliases

3. Aliases
“The Nick Name of table is called Aliases”
SQL aliases are used to give a table, or a column in a
table, a temporary name.
Aliases are often used to make column
names more readable.
An alias only exists for the duration of the query.

4. Syntax
SELECT * FROM TableName Nick_Name;
Aliases
SELECT * FROM employees e;

5. Aliases

6. Alias Column
Syntax
SELECT alias.colum_nname, alias.column_name
FROM TableName Alias;
Example
SELECT e.Name , e.Salary
FROM employees e;

7. Alias in Join Table
Syntax
SELECT * FROM table1 alias1 , table2 alias2 ;
Example
SELECT * FROM employees e , Salary S;

8. Aliases

9. Aliases

10. THANK
YOU