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CREATE TABLE table_name ( qty ) AS SELECT '10*4*2' FROM DUAL UNION ALL SELECT '4*3*1' FROM DUAL UNION ALL SELECT '5*1*1' FROM DUAL;
3 rows affected
WITH multiplied_values ( qty, value, start_pos, end_pos ) AS ( SELECT qty, 1, 1, INSTR( qty, '*', 1 ) FROM table_name UNION ALL SELECT qty, value * SUBSTR( qty, start_pos, end_pos - start_pos ), end_pos + 1, INSTR( qty, '*', end_pos + 1 ) FROM multiplied_values WHERE end_pos > 0 ) SELECT qty, value * SUBSTR( qty, start_pos ) AS value FROM multiplied_values WHERE end_pos = 0;
QTY
VALUE
10*4*2
80
4*3*1
12
5*1*1
5