Joke Collection Website - Cold jokes - Can anyone tell me how to connect the tables in the test library to the official library between the two identical libraries in the Oracle database?

Can anyone tell me how to connect the tables in the test library to the official library between the two identical libraries in the Oracle database?

You need to establish a link create dblink. You can check the specific syntax. It is more convenient to use plsql. Directly set the link name to connect to the user password. Just copy the section to be connected in tns. After it is built, select * Just query from table@link name