美文网首页
greenplum统计表占用空间

greenplum统计表占用空间

作者: eqieyiran | 来源:发表于2021-10-15 10:19 被阅读0次

1.查找某shema下所有表占用的空间

select  schemaname,tablename,round(sum(pg_total_relation_size(schemaname||','||tablename))/1024/1024/1024,2) as tablesize_G from pg_tables where schemaname in ('edc_wg') group by 1,2 order by tablesize_G desc;

2.查询单表占用空间

select pg_size_pretty(pg_total_relation_size('tb_name'));

相关文章

网友评论

      本文标题:greenplum统计表占用空间

      本文链接:https://www.haomeiwen.com/subject/viapoltx.html