Can you join from different databases?

Question

SQL Server allows you to join tables from different databases as long as those databases are on the same server. The join syntax is the same; the only difference is that you must fully qualify table names. 14 мая 2017 г.

Can I query from two different databases?

For querying multiple tables in different databases on the same server, all we have to do is use the fully qualified table name. The only condition is, the user logged into the query analyzer (or used for executing the query) should have permission on both the databases.

Can we join tables from two different databases on different servers?

There are 2 steps to join tables from different servers. The first step is to link the SQL Servers. The next and the last step is to join the tables using the select query having the server name as prefix for the table name.

Can we join two tables different databases in mysql?

Yes, assuming the account has appropriate permissions you can use: SELECT <...> FROM A. table1 t1 JOIN B.

Can we join two tables from different databases in Oracle?

Mark, Create DB link in between selected databases and then grant privileges to schema where you are trying to join the tables.

Expert · Answer