SQL WHERE
      
      The WHERE command allows you to filter the results of a query.
-- Works in PostgreSQL, MySQL, SQL Server, and Oracle
SELECT
    *
FROM
    rent_payments
WHERE
    dollar_amount > 1900;
        rent_payments table
    | building_id | payment_date | dollar_amount | 
|---|---|---|
| 1 | 3/1/2018 | 2000 | 
| 1 | 3/2/2018 | 1500 | 
| 2 | 3/1/2018 | 1800 | 
| 2 | 3/3/2018 | 1900 | 
| 1 | 4/2/2018 | 2000 | 
| 1 | 4/2/2018 | 1500 | 
| 2 | 4/1/2018 | 1800 | 
| 2 | 4/2/2018 | 1900 | 
Results of query
| building_id | payment_date | dollar_amount | 
|---|---|---|
| 1 | 3/1/2018 | 2000 | 
| 2 | 3/3/2018 | 1900 | 
| 1 | 4/2/2018 | 2000 | 
| 2 | 4/2/2018 | 1900 |