Pl/sql block to access v$ views

Hi All,
i am doing this on both 10 g and 11 g but having same issue. I am trying to run below procedure and i am getting the error ORA-00942: table or view does not exist
CREATE OR REPLACE PROCEDURE DB_INFO(V_DB VARCHAR2, CUR1 OUT SYS_REFCURSOR)
AS
v1 varchar2(2000);
BEGIN
v1='SELECT A.DBID, A.NAME, B.VERSION, B.HOST_NAME FROM V$DATABASE@'||V_DB||' A, V$INSTANCE@'||V_DB||' B WHERE A.NAME=B.INSTANCE_NAME';
open cur1 for v1;
end db_info;
Assume this procedure is present in X DB. I have two confusions regarding this:
1) When i run that select statement seprately in sql. It runs fine and give me result if i use any value for v_db.
SELECT A.DBID, A.NAME, B.VERSION, B.HOST_NAME FROM V$DATABASE@X A, V$INSTANCE@X b WHERE A.NAME=B.INSTANCE_NAME;
2) This procedure executes successfully and returned me cursor if i pass any value for v_db except X (DB in which this procedure is present).
If I pass value of v_db as X, it gives me error ORA-00942: table or view does not exist . It shows v$database and v$instance does not exist for same database X in which this procedure is present.
This seems to be strange. I am not sure about what is causing this issue. Please provide me some information regarding that and lemme know on how i can fix this.
All your comments and responses will be greatly appreciated.
Regards
Dev

Hi,
Keen2Learn wrote:
Hi Frank/sb92075,
Thank you for this explanation. But i am still confused.
I create this sp in two dbs X and Y.
In DB X, when i call this sp passing v_db as X, then it is giving that error, table does not exist but when i pass v_db as Y, then it is running fine.
Now In DB Y, when i call this sp passing v_db as Y, it is giving that error, table does not exist but when i pass v_db as X, then it is running fine.One explanation is that the links X and Y are not the same in the different databases.
If there are missing privileges, then why it is not giving error when run it in other DB passing same DB name.I must not understand the question.
If it works in some database, then the tables really exist and the procedure owner in that database has the right privileges.
If it deos not work in some database, then the tables don't really exist or the procedure owner in that database does not have the right privileges.
I am only confused about this thing that why it is giving error, when we pass same DB name in which this sp exists?
Please let me know what exactly need to be done to fix this.As always, post a complete test scrpt that we can run to re-create the problem and test our ideas. Include CREATE TABLE, GRANT, CREATE PROCEDURE, CREATE DATABASE LINK, and whatever other statements are necessary to show the proble. Include CONNECT and EXECUTE statements to re-create the problem.
I know it's not easy to produce all that, but without it, I don't really understand the problem.

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