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Developer-C 11.1
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WITH Table1( ID, Code, Subcode) AS ( SELECT 1, '300', '010' FROM dual UNION ALL SELECT 2, '400', '050' FROM dual UNION ALL SELECT 3, '300', '060' FROM dual ), Table2( ID, CodeRange) AS ( SELECT 1, '300.020,300.040-300.060' FROM dual UNION ALL SELECT 2, '300.000-300.020,400.010' FROM dual UNION ALL SELECT 3, '300.180,400.010-3000.100,500.010' FROM dual ), Table2_ AS ( SELECT ID, REGEXP_SUBSTR(CodeRange,'[^,]+',1,level) AS CodeRange FROM Table2 CONNECT BY level <= REGEXP_COUNT(CodeRange,',') + 1 AND PRIOR SYS_GUID() IS NOT NULL AND PRIOR ID = ID ORDER BY ID, level ) SELECT t1.ID AS t1_ID, t2.ID AS t2_ID FROM Table2_ t2 JOIN Table1 t1 ON t1.Code BETWEEN TO_NUMBER(REGEXP_SUBSTR(REGEXP_SUBSTR(CodeRange,'[^-]+'),'[^.]+')) AND TO_NUMBER(REGEXP_SUBSTR(REGEXP_SUBSTR(CodeRange,'[^-]+$'),'[^.]+')) AND t1.Subcode BETWEEN TO_NUMBER(REGEXP_SUBSTR(REGEXP_SUBSTR(CodeRange,'[^-]+'),'[^.]+$')) AND TO_NUMBER(REGEXP_SUBSTR(REGEXP_SUBSTR(CodeRange,'[^-]+$'),'[^.]+$')) WHERE INSTR(CodeRange,'-')>0 ORDER BY t1_ID
T1_ID
T2_ID
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1