PROCEDURE DOENS'T WORK

Question

Hello there, i'm new on pls/sql, so i wanted to do a procedure which execute a grant select on all tables from a specific schema, the name of the schema is TESO, and i'm creating that procedure in ASILVA schema.
The problem is when i try to execute the procedure, it doens't work it show me a message like
Informe de error:
ORA-00942: la tabla o vista no existe
ORA-06512: en "ASILVA.GRANT_SELECT_ON_TABLE_SCHEMA", línea 6
ORA-06512: en línea 1
00942. 00000 - "table or view does not exist"
*Cause:   
*Action:
that is when i execute: execute GRANT_SELECT_ON_TABLE_SCHEMA
This is my procedure, and i didn't have any problem when i created it:
CREATE OR REPLACE PROCEDURE GRANT_SELECT_ON_TABLE_SCHEMA
AS
BEGIN
FOR x IN (select * from dba_tables where owner ='TESO')
LOOP
EXECUTE IMMEDIATE 'GRANT SELECT ON TESO.'|| x.table_name ||' TO fswbd';
END LOOP;
END GRANT_SELECT_ON_TABLE_SCHEMA;
Please if anyone can help my, i would be gratefull.
Edited by: Ng! on 21-dic-2011 14:39
Edited by: Ng! on 21-dic-2011 14:39
Edited by: Ng! on 21-dic-2011 14:40

Answer 1

That the user can select from the tables is irrelevant to whether they have permission to access them via PL/SQL.
SQL respects privileges granted via roles ... PL/SQL requires explicit grants.