oracle 常用的几个SQL
1 查找记录条数 select count(*) from table_name(换成表名)
2 查找表数据大小
select num_rows * avg_row_len
from user_tables
where table_name = 'table_name(换成表名)';
更多可以参考下https://www..net/article/7827.htm
2 查找表数据大小
select num_rows * avg_row_len
from user_tables
where table_name = 'table_name(换成表名)';
更多可以参考下https://www..net/article/7827.htm