做外贸都用什么网站,WordPress文章小工具,google浏览器官方下载,网站开发需求评估oracle与sqlsever的区别
区别一
oracle字符之间连接用||
sqlserver字符之间连接用区别二
oracle字段重命名用as
sqlserver字段重命名用区别三
oracle判空用nvl
sqlserver判空用isnull区别四
oracle多列合并成一列
select
assid,
LISTAGG(name, ) within group (order by…oracle与sqlsever的区别
区别一
oracle字符之间连接用||
sqlserver字符之间连接用区别二
oracle字段重命名用as
sqlserver字段重命名用区别三
oracle判空用nvl
sqlserver判空用isnull区别四
oracle多列合并成一列
select
assid,
LISTAGG(name, ) within group (order by name ) as assconbilename
from temp_gl_fzhs_view
group by assidsqlsever多列合并成一列
SELECT
assid,
assconbilename((select ,name FROM temp_gl_fzhs_view WHERE assid fz.assid for xml path()),1,1,)
FROM temp_gl_fzhs_view fz
group by assid
