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SQL Select

 SQL Select

 

The SQL Select statement is used to select data from database.




Return all data from Customer Table:

SELECT * FROM Customer.



Return Username and Password from Customer Table:

SELECT Username and Password FROM Customer.




Return Username whose id = 1 from Customer Table:

SELECT Username FROM Customer WHERE id = 1.



Return Different Username from Customer Table:

SELECT DISTINCT Username FROM Customer.



Return Count of Different Username from Customer Table.

SELECT COUNT(DISTINCT Username ) FROM Customer.




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