SQL - Group By
https://sqlandpy.com/2024/03/18/sql-g...
-- More than one condition in more than one column
-- Use one set of conditions or another. The OR operator.
Select longitude,latitude,housing_median_age
From tablename
Where housing_median_age = '30.000000'
And latitude GreaterThan= '38.000000'
Or
housing_median_age = '40.000000'
And latitude GreaterThan= '38.000000'
-- Count and Group By housing_median_age
Select Count(*),housing_median_age
From tablename
Where housing_median_age = '30.000000'
And latitude GreaterThan= '38.000000'
Or
housing_median_age = '40.000000'
And latitude GreaterThan= '38.000000'
Group By housing_median_age
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