Oracle MSSql如何实现跨数据库查询

Oracle如何实现跨数据库查询

https://blog.csdn.net/Jerry_an/article/details/87873923

create public database link "dbtrue"

connect to "ztzs_erp2" identified by "密码"

using '(DESCRIPTION =

(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.10.13*)(PORT = 1521))
)

(CONNECT_DATA =
(SERVICE_NAME = "oradb")
)
)';

select * from "Project"@dbtrue.ztzs;

insert into "Project"(
"Id","EnginNo","No","Name","Status","BuildArea","BuildCost","DeptNo","Comment","CreateUser","CreateTime","UpdateUser","UpdateTime","SubStatus",
"DeptName","Members","ProjectType","TaxMode","ProjectStartDate","ProjectEndDate","ProjectSetDate","ProjectEnterDate","ProjectBuildFinishDate",
"ProjectAcceptanceDate","ProjectDeliverDate","ProjectWarrantyEndDate","ProjectCloseDate","ProjectStopDate","ProjectChangeDate","AmountExcludeTax",
"ProjectBidNo","LaborTax","AccountingVoucherNo","SingleCost","EstateCompanyNo","ModelRoomCompletionTime","Houses","PublicArea","PredictBeginTime",
"PredictEndTime","IsFirstCheckPublicArea","LaborCompanyNo","LaborCompanyName","IsSettled"
)
select 
"Id","EnginNo","No","Name","Status","BuildArea","BuildCost","DeptNo","Comment","CreateUser","CreateTime","UpdateUser","UpdateTime","SubStatus",
"DeptName","Members","ProjectType","TaxMode","ProjectStartDate","ProjectEndDate","ProjectSetDate","ProjectEnterDate","ProjectBuildFinishDate",
"ProjectAcceptanceDate","ProjectDeliverDate","ProjectWarrantyEndDate","ProjectCloseDate","ProjectStopDate","ProjectChangeDate","AmountExcludeTax",
"ProjectBidNo","LaborTax","AccountingVoucherNo","SingleCost","EstateCompanyNo","ModelRoomCompletionTime","Houses","PublicArea","PredictBeginTime",
"PredictEndTime","IsFirstCheckPublicArea","LaborCompanyNo","LaborCompanyName","IsSettled"
from "Project"@dbtrue.ztzs a
where a."Id" not in (SELECT "Id" from "Project") AND a."No" NOT IN (SELECT "No" FROM "Project") AND a."UpdateTime" IS NOT NULL;

MSSql 实现跨库查询：

EXEC sp_addlinkedserver @server = N'oldErpTrue', @srvproduct=N'ZSErp',@provider=N'SQLOLEDB', @datasrc=N'172.16.10.100'

EXEC sp_addlinkedsrvlogin @rmtsrvname = N'oldErpTrue', @locallogin = NULL ,@useself = N'False', @rmtuser = N'sqluser', @rmtpassword = N'qwe_123456*'

select * from oldErpTrue.ZSErp.Material.Material;

insert into Material.MaterialSheet
select * from oldErpTrue.ZSErp.Material.MaterialSheet a
where a.Id not in (SELECT Id from Material.MaterialSheet) and a.SheetNo not in (SELECT SheetNo from Material.MaterialSheet);