日期：2011-05-02 14:53:00 来源：本站整理
sqlserver快速插入大批量持续数字[MSSQL防范]
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有时刻处于测试要求,需求在数据库里快速插入大批量持续数字,下面是实现语句.
with
l0 as (select 1 as C union all select 1 as C),--2-1
l1 as (select 1 as C from l0 as A,l0 as B),--2-2
l2 as (select 1 as C from l1 as A,l1 as B),--2-4
l3 as (select 1 as C from l2 as A,l2 as B),--2-16
l4 as (select 1 as C from l3 as A,l3 as B),--2-256
l5 as (select 1 as C from l4 as A,l4 as B)--2-256^2
select ROW_NUMBER () over (order by C) as n into Nums from l5
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