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Create an Oracle database link (DBLINK)
You can run the following command to check the Global Database Name:
SELECT * FROM GLOBAL_NAME;
You can use the following statement to modify the parameter value:
Alter system set GLOBAL_NAME = TRUE/FALSE;
--- The following is OracleClient
The following describes how to access the Oracle database through the ASP. NET page through System. Data. OracleClient,
In fact, it is relatively simple,
First, let's introduce the environment,
My machine is
Multiple Oracle databases physically stored in the network can be logically considered as a single large database. Users can access the data in the remote database through the network, the collaborative processing between servers is completely
Oracle database link (DBLINK) Creation and deletion methods, oracledblink
Create and delete a database link in OracleCreate dblink:
create database link [name] connect to [username] IDENTIFIED BY [password] using '(DESCRIPTION = (ADDRESS_LIST =
OracleHow to Create a databaseDATABASE LINKWhat about it? In this article, we will use an instance to introduce the creation process. Next, let's take a look at this process.
Multiple ORACLE databases physically stored in the network can be
Multiple Oracle databases physically stored in the network can be logically considered as a single large database. Users can access the data in the remote database through the network, while the collaborative processing between servers
It is
Common exceptions:ORA-14025: Cannot specify partition for a solid view or a solid view logOra-14026:partition and cluster clauses repel each otherORA-14027: Only one partition clause can be specifiedORA-14028: Missing at or values
The establishment and use of Oracle database linkFirst, the establishment of the database link:1, the database link building syntax is generally: Create databases Link[db_link_name] CONNECT to[USER_NAME] identified by [password] USING ' [tns_name] ';
CREATE Database Link Test_dblinkCONNECT to SJZX identified by SJZXUSING ' (DESCRIPTION =(Address_list =(ADDRESS = (PROTOCOL = TCP) (HOST = 10.176.150.201) (PORT = 1521)))(Connect_data =(service_name = ORCL)))‘;Database Link OverviewDatabase link is
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