SQL & PL/SQL :: Rewrite Query Which Is In ANSI 92 Standard To ANSI 89 Standard
Jun 17, 2011
To rewrite this sql which is in ANSI 92 standard to ANSI 89 standard.
SELECT "PROJECT"."X_SAMPLED_DATE", SAMPLE"."SAMPLE_NUMBER"
FROM "SHIRE_PRD"."LimsUser"."SAMPLE" "SAMPLE" INNER JOIN "SHIRE_PRD"."LimsUser"."PROJECT" "PROJECT" ON"SAMPLE"."PROJECT"="PROJECT"."NAME"
WHERE ("SAMPLE"."SAMPLE_TYPE"='EM' OR "SAMPLE"."SAMPLE_TYPE"='WATER') AND "SAMPLE"."STATUS"<>'X' AND("PROJECT"."X_SAMPLED_DATE">={ts '2011-05-01 00:00:00'} AND "PROJECT"."X_SAMPLED_DATE"<{ts '2011-06-01 00:00:00'})
ORDER BY "SAMPLE"."PRODUCT"
Use ANSI standard JOIN syntax for example i have this code.
SELECT resv_num, unit_date FROM p_resv_unit ru, p_pm_unit_night pun WHERE pun.property_id = in_property_id AND pun.pm_unit_num = cvUnitNum AND pun.unit_date BETWEEN start_date AND end_date AND pun.resv_unit_id = ru.resv_unit_id;
[code]....
and is it a good idea to change it, because both ways it works?
merge into merge_st t using (select * from merge_st1) src on (t.id=src.id(+)) when matched then update set name=src.name;
I need to convert oracle joins to ANSI joins. I have tried below
update (select t1.name as t1_name,t2.name as t2_name from merge_st t1 lef outer join merge_st t2 on(t1.id=t2.id)) set t1_name=t2_name;
It statements shows error like cannot modify the non key preserved tables.I have cheked these table has contains whether primary key or not.there is no constraints for these tables.Our application, constaints handle in front end. so we cannot create any constraints in oracel database.how to convert oracle joins to ansi join?
...continued from "Problems with full outer join"I think that ANSI joins in Oracle doesn't work correctly. Or am I doing something wrong? The query looks like this:
It's a full outer join between one table (with a subquery) and an inline view with two tables You can see the returned rows in the listing below. The query returns one row where there is a match between t_trans and t_kontoavst.It also returns two rows from table t_kontoavst with no correspondence in t_trans.Finally it returns 26 rows from the table t_trans with no correspondence in t_kontoavst. But among them there are many rows in contradiction to the conditions:
and trunc(dat_trans) >= to_date('20040101','yyyymmdd') and trunc(dat_trans) <= to_date('20050604','yyyymmdd')
Actually it seems to return all the 27 rows in t_trans (one of them joined to t_kontoavst).These conditions are actually not part of the join so I changed it to:
where trunc(dat_trans) >= to_date('20040101','yyyymmdd') and trunc(dat_trans) <= to_date('20050604','yyyymmdd')
It's not clear to me if this where condition belongs to the joined result or just to the right joined inline view.With this change the correct rows from t_trans where returned but unfortunately the two rows from t_kontoavst with no correspondence in t_transdisappeared. I thought maybe that is because dat_trans is null for these two rows after the join. Therfore I also includeddat_trans to be null. This can only happen when t_trans is missing
where dat_trans is null or (trunc(dat_trans) >= to_date('20040101','yyyymmdd') and trunc(dat_trans) <= to_date('20050604','yyyymmdd'))
But that didn't change the result I have also tried right and left joins and it produces similar errors.One other thing i tried was to replace the inline view with one of the underlying tables t_trans. But the result was the same.Data returned from the original query (see query above):
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ORA-29273: HTTP request failed ORA-06512: at "SYS.UTL_HTTP", line 1186 ORA-12570: TNS: packet reader failure
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How can we check and be sure that a downgrade to SE would not be any problem?
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I read something about Baby Rac on wiki and there was information that only with Engerprise Edition RAC is an extra-charge option for Standard Edition RAC is included.
[URL]......
Quote:Oracle Corporation includes RAC with the Standard Edition of Oracle Database (aka Baby RAC), but makes it an extra-charge option for the Enterprise Edition
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4. there is only one lov button in one form and the lov button was created dynamically.
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