从一台数据库，读取另外一台数据库的数据

• sqlserver

--以下脚本在本地执行
--创建链接服务器  
--替换11.222.32.126  改成另外一台的数据库地址
--替换 sa  改成另外一台的数据库地址的用户名
--替换 SZ 改成另外一台的数据库地址的密码

exec sp_addlinkedserver 'ITSV1' , '' , 'SQLOLEDB' , '11.222.32.126' ;     
exec sp_addlinkedsrvlogin 'ITSV1' , 'false' , null , 'sa' , 'SZ' ;
GO

select * into #table_temp  from ITSV1.YGT.dbo.OPP_BUSI_DATA where 1=2;

insert into #table_temp select * from ITSV1.YGT.dbo.OPP_BUSI_DATA WHERE PROC_STATUS in ('11','01') AND KIDM_SNO != '' AND USER_TYPE !='' AND OPER_TIME < GetDate();

DELETE  FROM BUSI_DATA_INFO where EXT_B_SNO in (select B_SNO from #table_temp);

UPDATE #table_temp SET CUST_CODE='0' WHERE  CUST_CODE = '';

MERGE INTO BUSI_DATA_INFO T1 USING (
	SELECT
		*
	FROM
		#table_temp
) S1 ON (T1.EXT_B_SNO = S1.KIDM_SNO)
WHEN NOT MATCHED THEN
	INSERT (
		B_SNO,
		BUSI_CODE,
		CUST_NAME,
		ID_TYPE,
		ID_CARD,
		USER_TYPE,
		ORG_CODE,
		SYS_CUST_NO,
		SYS_CODE,
		CREATE_DATE,
		CHANNEL,
		ACCEPT_PARAM,
		EXT_B_SNO
)
VALUES
	(
		S1.B_SNO,
		S1.BUSI_CODE,
		S1.CUST_NAME,
		S1.ID_TYPE,
		S1.ID_CODE,
		S1.USER_TYPE,
		S1.OP_ORG,
		S1.CUST_CODE,
		'99',
		S1.OPER_TIME,
        S1.YZT_CHANNEL,
		S1.ACCEPT_PARAM,
		S1.B_SNO
	) ;

if object_id('tempdb..#table_temp') is not null Begin
    drop table #table_temp
End

GO
exec sp_dropserver 'ITSV1' , 'droplogins' 
GO

• oracle

--以下脚本在本地执行
-- 替换 sa 用户名   --一ygtt数据库
-- 替换 test  密码 --一ygtt数据库
-- 替换 11.222.32.126 IP  1521 端口号 --ygtt的数据库
-- 替换 服务器名ygt--一柜通的
create public database link dblinkname connect to sa identified by test
using '(DESCRIPTION = 
       (ADDRESS_LIST = 
       (ADDRESS = (PROTOCOL = TCP)(HOST =11.222.32.126)(PORT = 1521))) 
       (CONNECT_DATA = 
       (SERVICE_NAME =ygtt)))';  

create global temporary table table_temp as select * from  OPP_BUSI_DATA@dblinkname where 1=2;

insert into table_temp select * from OPP_BUSI_DATA@dblinkname WHERE PROC_STATUS in ('11','01') AND KIDM_SNO IS NOT NULL AND USER_TYPE IS NOT NULL AND OPER_TIME < SYSDATE ;

DELETE  FROM BUSI_DATA_INFO where EXT_B_SNO in (select B_SNO from table_temp);

UPDATE table_temp SET CUST_CODE='0' WHERE  CUST_CODE is null;

MERGE INTO BUSI_DATA_INFO T1 USING (
  SELECT  * FROM  table_temp
) S1 ON (T1.EXT_B_SNO = S1.KIDM_SNO )
WHEN NOT MATCHED THEN
  INSERT (
    B_SNO,
    BUSI_CODE,
    CUST_NAME,
    ID_TYPE,
    ID_CARD,
    USER_TYPE,
  	ORG_CODE,
	SYS_CUST_NO,
	SYS_CODE,
	CREATE_DATE,
	CHANNEL,
	ACCEPT_PARAM,
	EXT_B_SNO
)
VALUES
	(
		S1.B_SNO,
		S1.BUSI_CODE,
		S1.CUST_NAME,
		S1.ID_TYPE,
		S1.ID_CODE,
		S1.USER_TYPE,
		S1.OP_ORG,
		S1.CUST_CODE,
		'99',
		S1.OPER_TIME,
        S1.YZT_CHANNEL,
		S1.ACCEPT_PARAM,
		S1.B_SNO
	) ;

drop table table_temp;

drop public database link dblinkname;