Can we use ref cursor in function?

Can we use ref cursor in function?

A ref cursor is a variable, defined as a cursor type, which will point to, or reference a cursor result. The advantage that a ref cursor has over a plain cursor is that is can be passed as a variable to a procedure or a function.

Can ref cursor be used with procedure out parameter?

The Oracle Database adapter provides support for strongly-typed and weakly-typed (SYS_REFCURSOR) REF CURSORs that can be passed to PL/SQL procedures and functions as IN, OUT, or IN OUT parameters.

What is strong and weak ref cursor?

Strong ref_cursor will always use to return a value and compiler know the structure during the compile time, but in the weak ref cursor it will not return a value and compiler dosen’t know the structure during the compile time.

Can we pass cursor as parameter?

No, you can’t pass a static cursor as a parameter.

Is it possible to have a REF CURSOR with dynamic SQL?

Question: Is it possible to have a PL/SQL procedure that has dynamic SQL and uses a ref cursor? Can you show an example of a ref cursor with dynamic SQL? Answer: Here is an example script that performs dynamic SQL and returns the data as a ref cursor.

How to return the data as a ref_Cur in dynamic SQL?

Answer: Here is an example script that performs dynamic SQL and returns the data as a ref cursor. — First, we declare the package specs create or replace package test_pack is type ref_cur is ref cursor; procedure printme(ref_var ref_cur); end;

Why doesn’t the compiler validate the contract between the query and cursor?

Because the compiler cannot parse the string in the dynamic SQL statement. So it cannot assert that the columns in the query’s projection match in number and datatype the signature of the ref cursor. Consequently it cannot validate the contract between the ref cursor variable and the query.