--更新备注merge into cust_account_im t using(select nvl(aa.contact,cc.full_name) as username ,aa.account account from cust_account aaleft join cust_info cc on cc.customer_info_id =aa.cust_info_idunion allselect ha.user_name, ha.acct_name from fw_account.
alter table GIC_EXCEED_STOCK_SHARE_APPLY add (auditmsg varchar2(100));merge into cts_api_setting_prd a using(select b.id,b.service_code,b.service_name,b.method from cts_api_setting b)con (a.service_name=c.service_name)when matched then update set a.id=
PurposeUse theMERGEstatement to select rows from one or more sources for update or insertion into a table or view. You can specify conditions to determine whether to update or insert into the target table or view.This statement is a convenient way to combine multiple operations. It lets you avoid mu
Merge是一个非常有用的功能,在工作中经常需要用到Merge into 进行数据的更新,使用Merge into 不但可以使代码结构更清晰,不需要大部分那样循环拼update语句,而去使用Merge into 大大提高数据更新的效率.通过这个merge你能够在一个SQL语句中对一个表同时执行inserts和updates操作. 
题目简介:Given a collection of intervals, merge all overlapping intervals.For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]./** * Definition for an interval. * s
Given a collection of intervals, merge all overlapping intervals.For example,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18].思路先按照Interval....
