oracle create bridge connection

The library of A ip wants to connect to the library of B ip.

Must have permission. If there is no permission, the creation will fail

Create a bridge connection blink is to get the name

create public database LINK BLINK connect to 数据库用户名 identified by "密码" USING 'ORCL'

Query after creation

seelct * from A,B@BLINK where A.TID=B.TID