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SQL code:
create or replace FUNCTION splitstr
(
p_string IN VARCHAR2,
p_delimiter IN VARCHAR2,
p_num IN NUMBER)
RETURN VARCHAR2
AS
v_length NUMBER := LENGTH(p_string);
v_start NUMBER := 1;
v_index NUMBER;
v_p NUMBER := 1;
v_r VARCHAR2(100);
BEGIN
WHILE(v_start <= v_length)
LOOP
v_index := INSTR(p_string, p_delimiter, v_start);
IF v_index = 0 THEN
v_r := (SUBSTR(p_string, v_start));
v_start := v_length + 1;
ELSE
v_r := (SUBSTR(p_string, v_start, v_index - v_start));
v_start := v_index + 1;
END IF;
v_p := v_p + 1;
IF v_p = p_num+1 THEN
RETURN v_r;
END IF;
END L
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