SQL how to use or code example

Example 1: sql or

Used alongside WHERE to include data when either condition is true.
Example: Returns users that live in either Sheffield or Manchester.
SELECT * FROM users
WHERE city = 'Sheffield' OR 'Manchester';

Example 2: sql where a or b

-- example
SELECT Id, ProductName, UnitPrice, Package
  FROM Product
 WHERE ProductName LIKE 'Cha_' OR ProductName LIKE 'Chan_'

Example 3: sql and

Used to join separate conditions within a WHERE clause.
Example: Returns events located in London, United Kingdom
SELECT * FROM events
WHERE host_country='United Kingdom' AND host_
city='London';

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