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I have using Oracle GTT tables with condition ON COMMIT DELETE ROWS.
Now i know GTT tables data is only session specific. 1 session cannot see the GTT data of other session in General.
But is their any way to access/read GTT table that belongs to another session?
No that is not possible, only session accessing the GTT can see it. IF you wish, you can use a physical table and model it as if it s a GTT. It isn't difficult, but isn't very efficient either.
A database table can be considered to be a logical definition (the columns and data types, name, constraints etc), and the physical implementation, which is one or more data segments where the data is stored.
Normally the data segments are visible and accessible to all users who have privileges to select/insert/update the table.
In a GTT however, each user who inserts data into the table then "owns" their own data segment, and they are held in a private area on a per-user basis. Other users do not even have visibility that those segments exist, as all they can access are their own.
Short answer: no.
