Etapa 5: Experimentar exemplo de consultas usando o editor de consultas - Amazon Redshift

Etapa 5: Experimentar exemplo de consultas usando o editor de consultas

Para configurar e usar o Editor de Consultas do Amazon Redshift v2 e consultar um banco de dados, confira Trabalhar com o editor de consultas v2 no Guia de gerenciamento do Amazon Redshift.

Agora, tente alguns exemplos de consultas, como mostrado a seguir. Para ter mais informações sobre como trabalhar com o comando SELECT, consulte SELECT no Guia do desenvolvedor de banco de dados do Amazon Redshift.

-- Get definition for the sales table. SELECT * FROM pg_table_def WHERE tablename = 'sales';
-- Find total sales on a given calendar date. SELECT sum(qtysold) FROM sales, date WHERE sales.dateid = date.dateid AND caldate = '2008-01-05';
-- Find top 10 buyers by quantity. SELECT firstname, lastname, total_quantity FROM (SELECT buyerid, sum(qtysold) total_quantity FROM sales GROUP BY buyerid ORDER BY total_quantity desc limit 10) Q, users WHERE Q.buyerid = userid ORDER BY Q.total_quantity desc;
-- Find events in the 99.9 percentile in terms of all time gross sales. SELECT eventname, total_price FROM (SELECT eventid, total_price, ntile(1000) over(order by total_price desc) as percentile FROM (SELECT eventid, sum(pricepaid) total_price FROM sales GROUP BY eventid)) Q, event E WHERE Q.eventid = E.eventid AND percentile = 1 ORDER BY total_price desc;