-- Description: A free-standing SQL wrapper over DBMS_XPLAN. Provides access to the -- DBMS_XPLAN.DISPLAY_CURSOR pipelined function for a given SQL_ID and CHILD_NO. -- The XPLAN utility has one ...

To allow an application to retrieve a set of rows, SQL uses a mechanism called a cursor. To help understand the concept of a cursor, assume that the database manager builds a result table to hold all ...

This was markdown testing, or the code and explanation is incomplete. Since this was just as task I had to do in test a I did not expand since there was not many interesing or specific data connected ...

It is possible to update and delete the row referenced by a cursor. For a row to be updatable, the query corresponding to the cursor must not be read-only. (For a description of what makes a query ...