Finding out source database & schema

Question

Hi All ,
I am logged on to Oracle thru PL/SQL. how can i actually find out which database & schema am i on ?
appreciate ur advice
tks & rdgs

Answer 1

Well, a schema is essentially the set of database objects owned by a user, so in that sense they are identical. However, it is not always the case that because you are logged in as a user that you are actually referring to that user's schema.
SQL> show user
USER is "OPS$ORACLE"
SQL> DESC xx
ERROR:
ORA-04043: object xx does not existI have no object named xx, but someone does, and I have at least select privileges on it:
SQL> DESC finance_o.xx
Name                                      Null?    Type
ID                                                 NUMBERso, if I want to work with several objects in the finance_o schema without having to always use owner.name, I can either create a bunch of synonyms, or do:
SQL> ALTER SESSION SET CURRENT_SCHEMA=finance_o;
Session altered.
SQL> desc xx
Name                                      Null?    Type
ID                                                 NUMBERNow, any unqualified object names are looked for first in the finance_o schema. I still cannot see any of finance_o's objects that I do not have permissions on.
John