SQL SERVER 2012 T-SQL 新增特性- CONCAT

SQL SERVER 2012 T-SQL 新增特性- CONCAT函数，做了很大改进，比以前简单好用。

[sql]

declare @data as table

( row_id tinyint identity(1,1) primary key, order_dt datetime2(2))

insert into @data(order_dt)values ('20110305 4:30PM'), ('20110817 12:45PM')

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select

'Order placed on ' + cast(cast(d.order_dt as date) as varchar) + ' (row_id = ' + cast(d.row_id as varchar) + ').' as BEFORESQLSERVER2012,

concat('Order placed on ', cast(d.order_dt as date), ' (row_id = ', d.row_id, + ').') as SQLSERVER2012

from @data d

作者 incognito007