select t.TABLE_NAME,t.NUM_ROWS from user_tables t order by t.TABLE_NAME;--oracle
SELECT object_name (i.id) TableName,rows as RowCnt
FROM sysindexes i
INNER JOIN sysObjects o
ON (o.id = i.id AND o.xType = ‘U ‘)
WHERE indid < 2
ORDER BY TableName --mssql
查询oracle表和sql数据量大小
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