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subelsky/large_redshift_tables.sql

Created April 18, 2014 17:39
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Quick SQL command to find large tables in redshift
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large_redshift_tables.sql
-- based on http://stackoverflow.com/questions/21767780/how-to-find-size-of-database-schema-table-in-redshift
SELECT name AS table_name, ROUND((COUNT(*) / 1024.0),2) as "Size in Gigabytes"
FROM stv_blocklist
INNER JOIN
(SELECT DISTINCT id, name FROM stv_tbl_perm) names
ON names.id = stv_blocklist.tbl
GROUP BY name
ORDER BY "Size in Gigabytes" DESC
@vigneshprajapati
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Very useful!! Thanks @subelsky

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