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oracle 常用的几个SQL

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Release: 2016-06-07 18:07:23
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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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