1. DARE TO BE DIFFERENT (AGAINST ALL DOGMAS) Armando J. Arranja Series Finale

2. DB2 UP AND RUNNING

3. DON’T SPEND MONEY

4. HELP DEVELOPERS

5. TUNE SQL

7. UNLOAD LOAD REORG

8. SELECT DISTINCT A.COL1, B.COL2, C.COL3 FROM T003 A INNER JOIN ORG_D B ON A.COD = B.ORG LEFT OUTER JOIN T010_CLI C ON A.N = C.N AND C.COD_TIP_AL ='R' 30 minutes UNLOAD

9. DFSORT //SYSIN DD * JOINKEYS F1=INFILE1,FIELDS=(1,9,A) JOINKEYS F2=INFILE2,FIELDS=(1,9,A) REFORMAT FIELDS=(F1:1,21) SORT FIELDS=(1,12,A),FORMAT=CH SUM FIELDS=(13,9),FORMAT=PD /* //SYSIN DD * JOINKEYS F1=IN1,FIELDS=(1,12,A) JOINKEYS F2=IN2,FIELDS=(1,12,A) JOIN UNPAIRED,F1 REFORMAT FIELDS=(F1:1,21,F2:13,9,F2:23,9) OPTION COPY /* INNER JOIN LEFT OUTER JOIN

10. UNLOAD B UNLOAD C SORT (INNER JOIN) SORT (LEFT OUTER JOIN) UNLOAD A

11. UNLOAD C UNLOAD A 30 minutes 5 minutes UNLOAD B UNLOAD C SORT (INNER JOIN) SORT (LEFT OUTER JOIN) UNLOAD A

12. OPEN FETCH SELECT CLOSE 2 hours

13. OPEN FETCH SELECT CLOSE SELECT 200 M1 M 0.034 seconds200 000X + 2 HOURS !!!

14. SORT JOIN UNLOAD LOAD 30 MINUTES

15. OPEN FETCH SELECT CLOSE SELECT 800 000 0.0003 seconds200 000X 2 MINUTES !!!

16. THE END DARE TO BE DIFFERENT (AGAINST ALL DOGMAS)

17. March 2013 armando.jorge.arranja@bancobpi.pt