⟩ How To Open and Close an Explicit Cursor in Oracle?
An existing cursor can be opened or closed by the OPEN or CLOSE statement as shown in the following sample script:
DECLARE
CURSOR c_list IS SELECT * FROM countries;
CURSOR t_list IS SELECT * FROM employees
WHERE employee_id = 100;
BEGIN
OPEN c_list;
OPEN t_list;
CLOSE c_list;
CLOSE t_list;
END;
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