dblink

This test shows how to access a table containing BLOB fields through dblink. For more information about dblink and LOB, see the following link: Oracle dblink Http://blog.csdn.net/tianlesoftware/article/details/4698642 Remove dblink error ORA-02024: database link not found Solution Http://blog.csdn.net/tianlesoftware/

Two different database servers read data from one user on one database server from another database server. In this case, you can use dblink. In fact, dblink is similar to the view in the database. When creating dblink, you need to know the IP address, ssid, and database username and password of the database to be read. You can create an instance in either of the

Dblink is a database object, allowing you to access remote tables and execute remoteProgramIn addition, dblink is a one-way connection. When dblink is created, Oracle records its metadata in the data dictionary.. In dB link, you must consider global_name. By default, the service is provided as a network service name. But most of them are not needed. SQL

Oracle creates Dblink, which is used for data synchronization mechanisms. It is not recommended to use Dblink directly with the database for frequent operations ...00. View Create Dblink PermissionsSELECT * from User_sys_privs t where T.privilege like Upper ('%link% ');--dblink PermissionsCreate DATABASE LINK--User cre

Tags: creat Owner ora HTTP SDN Test between details DDROracle has its own Dblink function, which is to logically treat multiple Oracle databases as a single database, meaning that objects in another database can be manipulated in one database, for example, we create a new data database1, We need to manipulate the tables in the database database2, or we need to manipulate the tables in the database DATABASE3 on the remote machine, and we can use this p

Test conditions:Assume that a company is headquartered in Beijing and has a subsidiary in Xinjiang. In this test, the computer in Xinjiang is a local computer, that is, the required IP address is 192.168.1.100. The headquarters in Beijing has a centralized database. The SID is sidbj, the user name is userbj, And the password is bj123. The IP address in Beijing IP address is 192.168.192.168.1.1.101.A local branch in Xinjiang also has a database whose Sid is sidxj, user: userxj, password: xj123,

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 = (ADDRESS = (PROTOCOL = TCP)(HOST = [ip])(PORT = [port])) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = xxx) ) )'; For example: create public da

Tags: des style blog color io os using AR forSome friends have created a non-public dblink, and now other users of the database need to use the dblink, under normal circumstances no access, need to re-build a dblink, or change the original dblink to public. However, the steps to create or modify

1, if you need to create a global dblink, you need to first determine the user has the right to create Dblink: SELECT * from User_sys_privs where privilege like Upper ('%database link% '); If not, you need to use the SYSDBA role to empower the user: Grant create public database link to dbusername; 2, use the user login pl/sql, use the command: --The first method: Require database B mapping in the Tnsnames.o

Dblink between database versionsServer VersionClient 11.1.0 10.2.0 10.1.0 9.2.0 9.0.1 8.1.7 8.1.6 8.1.5 8.0.6 8.0.5 7.3.411.1.0 Yes #6 Yes #6 ES #5 No #3 No #3 No #3 No #3 No #3 No #310.2.0 Yes #6 Yes ES #5 No Was No #3 No #3 No #3 No #3 No #310.1.0 (#4) Yes #6 Yes ES Was #2 No #3 No #3 No #3 No #3 No #3 No #39.2.0 ES #5 ES #5 ES Was No #19.0.1 No Was8.1.7 No Was8.1.6 No Was8.1.5 No Was8.0.6 No Was8.0.5 No Was7.3.4 No WasMultiple ORACLE databases phys

1. To create a global dblink, you must first confirm that you have the permission to create a dblink: Select * From user_sys_privs where privilege like upper ('% database link % '); If not, you must use the sysdba role to grant permissions to users: Grant create public database link to dbusername; 2. log on to PL/SQL using the following command: -- Method 1: require tnsnames on Database Server. ora has da

In Oracle, dblink is often used to import some online data to the development database to locate the problem. Dblink can also be used in PostgreSQL. The following is an online document: 1. How to Create dblink in PostgreSQL?2. How do I use dblink after the build is successful?3. What is the difference between

Dblink is used to perform regular synchronization from Oracle to oracle. A synchronization just made on the card center is used as an example. Recommended reading: Use Oracle DBLink for table Synchronization Use Oracle DBLink Oracle accesses GreenPlum through DBLink ORA-01017/ORA-02063

DBLINK is used in DBLINK and other syntax projects to summarize: When you want to access data in another database table across local databases, A remote database's dblink must be created in the local database. You can access the data in the remote database table just like accessing the local database through dblink. Yo

Problems arising from over-using DBLINK for system integration Excessive use of DBLINK for system integration may cause many problems, mainly due to the following: 1. A large amount of database resources are consumed; Each time the local system connects to the remote system through DBLINK, a local session is generated. If the local session does not exit or is man

This example describes the use of Oracle Cross Library query Dblink. Share to everyone for your reference, specific as follows: 1. Before you create a job Before you create a dblink, first check to see if the user has appropriate permissions. For a specific user, after logging in using Sqlplus user/pwd, execute the following statement: Copy Code code as follows: SELECT * from User_sys_privs

Oracle Database Remote Access through DBLINK What is DBLINK? A Database Link is a Database Link, just like a telephone line. It is a channel. When we want to access data in another Database table across local databases, you must create a dblink for a remote database in the local database. You can use the dblink local d

I haven't written anything for a long time. I have been reading some open-source things. I have posted the installation and configuration of ipvs on linux and the reference for using dblink for readers and their reference in the future. 1. Download the source code: postgresql-9.3.2.tar.gz2, create your scluster group, and user: groupaddjavassuseraddpostgres-dhomepostgres I haven't written anything for a long time. I have been reading some open-source

Oracle Database Remote Access through DBLINK, oracledblink What is DBLINK? A Database Link is a Database Link, just like a telephone line. It is a channel. When we want to access data in another Database table across local databases, you must create a dblink for a remote database in the local database. You can use the dblink