1.oracle取前10条记录
1) select * from tbname where rownum < 11;
2) select * from (select * from tbname order by id desc ) where rownum<=10;
下面是关于rownum的介绍=======================...
--oracle取前十条数据
--(1)第一种
select * from t_base_employee where rownum < 11;
--(2)第二种
select *
from (select * from t_base_employee t order by t.modify_time desc)
where rownum <= 10;...
--oracle取前十条数据--(1)第一种select * from t_base_employee where rownum < 11;--(2)第二种select * from (select * from t_base_employee t order by t.modify_time desc) where rownum <= 10;
...
In the following conditions:
the select clause references a column that contains an aggregate function that is not listed in a group by clause.
the select clause references a column that contains an a...
介紹取一表前N筆記錄的各种數据庫的寫法... 1. ORACLE SELECT * FROM TABLE1 WHERE ROWNUM<=N 2. INFORMIX SELECT FIRST N * FROM TABLE1 3. DB2 SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHER...
sql写法,F5运行
select top 10 * from Ecp_Chat_AllotService
oracle写法,F8运行
select * from Ecp_Chat_AllotService where rownum<=10
mysql写法 ,F9运行
SELECT * FROM USER LIMIT 0,10
...
对保险汇总数据的删除与修正补充select * into fr_jh_rkhz20170210 from jh_rkhz where djbh in (select djbh from fr_spls_rk20170123)select * into fr_cwk20170210 from cwk where djbh in (select djbh from fr_...
