oracle 常用的几个SQL
- WBOYOriginal
- 2016-06-07 18:07:23895browse
oracle几个常用的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
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