Too many cursors opened on using sys_ref cursor as out parameter in a procedure

All Configurable parameters for the application are stored in a table, various modules of the application read these parameter values through one single interface.

The interface module runs in a separate background thread, which reads the  values of table periodically ( every 3 min) through a Stored Procedure, The stored Procedure uses a ref cursor to return data back to the application.

It was noticed that insetad of using the cusror cache, a new cursor is opened everytime a refresh happens, and these cursors stay open for long time. The Stored proceure itself uses simple select statement without any where clauses to read values from table.(select a,b,c from table abc;)

How do we avoid opening cursor every time the stored proc is executed by the background job. How do we improve the performance.

Regards
Swapna


 
hiswapnaAsked:
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konektorConnect With a Mentor Commented:
if you use sys_refcursor as output parameter in procedure, it means, that the procedure opens cursor for some select an code which calls the procedure has to close cursor after reading from it
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