When to use DB links in a query?

When to use DB links in a query?

Note: DB Links are used in queries at the end of each table or view name. * This query will combine results from the DB Link and the existing database connection. Did this article solve an issue for you?

How to select and insert across dblink in Oracle 10?

I am having a bit of trouble with a select into insert across a dblink in oracle 10. I am using the following statement: INSERT INTO LOCAL.TABLE_1 ( COL1, COL2) SELECT COL1, COL2 FROM REMOTE.TABLE1@dblink s WHERE COL1 IN ( SELECT COL1 FROM WORKING_TABLE)

What are some of the performance issues when running SQL across a database link?

Question: What are some of the performance issues when running SQL across a database link (dblink)? Answer: Generally, the limiting factor in SQL performance of a distributed query (over a db-link) is the speed of the network (make sure that you have a high-speed network with proper SDU), but there are other issues:

How to create a link to a database?

If you do not have one, you will first need to create a new Database Link. To create a database link: From the Schema Browser | DB Links tab | select “Create Database Link” button. Then in the Create Database Link window, give your DB Link a name and fill out the database to connect field and username & password fields.

How to create a dB link in schema?

From the Schema Browser | DB Links tab | select “Create Database Link” button. Then in the Create Database Link window, give your DB Link a name and fill out the database to connect field and username & password fields. Note: DB Links are used in queries at the end of each table or view name.

How to get a list of all pages from the confluence database?

The examples below are for a PostgreSQL database, but can be translated by your DBA to another DBMS type if needed. The content table contains the page information, and the user_mapping table ties the user_key to the username referenced on the content table.