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Can a dB link point back to the same DB?
All the tables are local. So to simulate remote access loopback points back to the same DB. There are some restrictions regarding what you can do over DB links though. For example: Data manipulation language statements that update objects on a remote non-Oracle Database system cannot reference any objects on the local Oracle Database.
Can you write DML over a dB link?
You write DML over a db link the same way you’d write it if all the tables were local. You just add @dblink to the remote tables! All the tables are local. So to simulate remote access loopback points back to the same DB. There are some restrictions regarding what you can do over DB links though.
How to create database link between two systems?
HI TOM, CAN U TELL ME PLEASE HOW TO CREATE DATABASE LINK BETWEEN TWO SYSTEM WHICH ARE IN LAN CONNECTION. PLEASE SPECIFY STEPS FOR THAT…. read about it in the documentation, fully documented command and syntax is there.
Can a parallel full scan work with dblink?
The append is probably the only thing doing anything for you in that statement. The parallel full scan won’t do much since the DBLINK will serialize the data anyway (so what if you have 10 readers, if they all feed a SINGLE process on the remote site that will write data on the dblink – the full scan won’t benefit very much).
Do you have to return text after dblink _ exec?
Since dblink_exec returns with a text message about what it did, you have to define your function as RETURNS text unless there are other value-returning statements after the dblink_exec call. Thanks for contributing an answer to Stack Overflow!
How to execute stored procedure remotely using linked server?
I’d like to centralize the execution of these (our) stored procedures in our main instance, and from it execute these stored procedures remotely. I tried using SQL Server Agent jobs, but it requires some configuration I’m not comfortable doing, and probably won’t have access anyway.