data in sql is case sensitive code example
Example 1: sql like case sensitive
-- Postgresql case insensitive:
SELECT * FROM people WHERE name ILIKE 'JOHN'
-- John
-- JOHN
-- john
Example 2: sql server case sensitive search
SELECT 1
FROM dbo.Customers
WHERE CustID = @CustID COLLATE SQL_Latin1_General_CP1_CS_AS
AND CustPassword = @CustPassword COLLATE SQL_Latin1_General_CP1_CS_AS