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Database별 Size 확인 QuerySELECTcount(*) NUM_OF_TABLE,table_schema,concat(round(sum(table_rows)/1000000,2),'M') rows,concat(round(sum(data_length)/(1024*1024*1024),2),'G') DATA,concat(round(sum(index_length)/(1024*1024*1024),2),'G') idx,concat(round(sum(data_length+index_length)/(1024*1024*1024),2),'G') total_size,round(sum(index_length)/sum(data_length),2) idxfracFROM information_schema.TABLESGROU..