Darkhan dzhaugasharov

## chit_sheet.md

      
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                Cheat Sheet
              
          
    Cheat Sheet

PostgreSQL


Dates, Times and Timestamps in PostgreSQL *
adding/subtracting time

SELECT now()::time - INTERVAL '10 min';
SELECT now() + INTERVAL '10 min';

  
## gist:920ea15ec73f47d162fa84356fb203f8
facebook-webhook on node js