SQL & PL/SQL :: Convert Oracle Joins To Ansi?
Apr 11, 2011
the below merge statements has outer join.
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?
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Nov 25, 2011
I wondered the possibility of converting a content file in the format ansi to utf-8 directly from Oracle.
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Jun 20, 2012
I have the scenario like below:
create table test_a (id number, b varchar2 (20));
create table test_b (id number, a number, b number, c number, d number, e number, f number);
insert into test_a values (1,'Manu');
insert into test_a values (2,'Tanu');
insert into test_a values (3,'Anu');
[code].....
convert the query above using joins instead of scalar queries, as scalar queries decreasing the performance.
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Dec 10, 2010
A very simple question yet so difficult...
I have a ansi query...
select * from
tz1
left outer join tz2 on tz1.aa=tz2.cc and tz1.bb is null;
What is the most efficient non-ansi way of writing it?
-----------------script-----------------
create table tz1(aa int, bb int);
create table tz2(cc int, dd int);
insert into tz1 values (1, 100);
insert into tz1 values (2, 200);
insert into tz1 values (3, 300);
[Code]......
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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"
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Oct 18, 2012
I want to know how the Oracle optimizer choose joins and apply them while executing the query. So that I will insure about optimizer join before writing any query.
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Oct 9, 2013
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?
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Jun 10, 2013
which of the statements TRUNCATE and TRUNC are SQL ISO ANSI compliance ?is Truncate a function or a statement ?
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Dec 9, 2010
I want to know about ANSI JOIN in Oracle 9i and how to use this ANSI JOINS and where we have to implement this ANSI JOIN in real time.
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May 25, 2011
...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:
select nvl(k.id_pers,t.id_pers) id_pers, k.dat_avst
, id_trans, dat_trans
from
( select ka.id_pers, ka.dat_avst, ka.dat_nasta_avst
[code]...
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):
ID_PERSDAT_AVSTID_TRANSDAT_TRANS
1945050505022005-05-011721642005-05-16
194505050502null1723722005-06-16
194505050502null1723732005-07-16
[code]...
Data in the tables.SQL Statement which produced this data:
select id_trans, id_pers, dat_trans
from t_trans
order by id_pers, dat_trans, id_trans
ID_TRANSID_PERSDAT_TRANS
1721641945050505022005-05-16
1723721945050505022005-06-16
1723731945050505022005-07-16
[code]...
SQL Statement which produced this data:
select id_pers, dat_avst
from t_kontoavst
order by id_pers, dat_avst
ID_PERSDAT_AVST
1945050505021997-05-01
1945050505022005-05-01
1958080808071997-05-01
[code]...
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Nov 16, 2006
I have to change some queries from SQL to Oracle but I couldn't convert these queries because they use some system tables in SQL that I don't know the equivalent Oracle tables. Following are SQL Queries
1. SELECT name, xtype FROM sysobjects WHERE xtype IN('U', 'V') AND name <> 'dtProperties' AND objectproperty(id, 'IsMSShipped') = 0 ORDER BY name
2. SELECT tS.name FROM sysobjects AS tS WHERE (tS.name IN (SELECT name FROM sysobjects WHERE xtype = 'U') AND xtype ='U') OR (tS.name IN (SELECT name FROM sysobjects WHERE xtype = 'V') AND xtype ='V')
3. SELECT o.name as TableName, c.name as FieldName, c.colid as Field_Ordinal, t.name as FieldType, c.length as FieldLength, c.prec as FieldPrecision, c.scale as FieldScale, c.isnullable, c.iscomputed, CASE WHEN c.status & 0x80 > 0 THEN 1 ELSE 0 END AS isidentity, columnproperty(o.id, c.name, 'IsRowGuidCol') as isrowguidcol FROM (sysobjects o JOIN syscolumns c ON o.id = c.id) JOIN systypes t On c.xtype = t.xtype WHERE o.xtype IN ('U', 'V') AND (t.xtype = t.xusertype)
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May 29, 2012
Covert from T-SQL procedure to Oracle procedure.
this is my T-SQL query,
ALTER PROCEDURE dbo.PRO_SELECT_CERTIFICATION_Accreditations
AS
BEGIN
SELECT[AccreditationID], [Accreditation], [Description]
FROM[Accreditations]
END
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Jun 17, 2008
I have a table1:
userid, name, town.
Now i want to do a self join like:
select a.name, b.name, a.town
from table1 a
inner join table1 b
on a.town = b.town
where a.first_name <> b.first_name AND
a.last_name <> b.last_name
i added the where clause to limit duplicates i would get but i still get duplicates eg. A B london, B A london etc.
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Sep 30, 2011
In mys store procedure I am using a subquery with INNER JOIN. This subquery calls a user defined function which takes main query fields as parameter values. But i am facing issue for accessing main query fields. my query is like below:
SELECT
ID, Name, sub.Desc, sub.Date
FROM MainTable main
INNER JOIN
(
SELECT * FROM RMF_GetData(main.ID)
) sub
ON main.ContactID = sub.ContactID
I need data from a function in a table format based on some case conditions. Hence i need to join it with main table. But here oracle gives error as "invalid identifier" for main.ID parameter.
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Mar 11, 2009
SELECT so.* FROM shipping_order so WHERE (so.submitter = 20)
OR (so.requestor_id IN (SELECT poc.objid FROM point_of_contact poc WHERE poc.ain = 20))
OR so.objid IN (SELECT ats.shipping_order_id FROM ac_to_so ats WHERE (ats.access_control_id IN (selectac. objid FROM access_control ac WHERE ac.ain = 20
OR ac.group IN ('buyers', 'managers'))))
rewrite this query to use joins. That would greatly simplify my sql query building code. The ids, objids, submitter, ain are numeric and group is a varchar.
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Nov 16, 2011
I pulled in 1121 SSN's into a table and am using that table as the basis for returning data from other tables...including how many documents a user has in their folder.
My query; however, is only returning 655 rows...it is returning only those rows that have documents in their folders. I want to return ALL rows...WHETHER OR NOT THEY HAVE A DOCUMENT COUNT (count(*)). How can I get all 1,121 rows to return? I would like the output to look like:
SSN LOCATION EMP_STATUS FOL_STATUS COUNT(*)
-- For those folders containing documents:
XXX-XX-XXXX WHATEVER WHATEVER WHATEVER 12
-- For those folders containing 0 documents:
XXX-XX-XXXX WHATEVER WHATEVER WHATEVER NULL
Here is the query in it's current state:
-- Get User/Folder/Doc Count Information
SELECT b.ssn,
b.location,
b.emp_status,
c.fol_status,
COUNT (*)
[Code]....
So again, my problem here is that...not all FOLDERS contain DOCUMENTS...but I still want the folder data lised...I just need it listed with either a zero count (0), or a NULL in the COUNT(*) column.
I'm trying the various joins, but none of them seem to be working.
I've tried the old 8i (+) join as follows:
AND c.fol_id = d.doc_fol_id(+)
I've tried the inner join:
AND c.fol_id(+) = d.doc_fol_id
...and I've tried the 9i method (left outer and full outer) using the following types of notations:
folder c full outer join documend d on c.fol_id = d.doc_fol_id
...so far, no luck. I'm still having only 655 rows returned (the 655 are those folders that HAVE document count > 0. Any folder that has zero documents in the document table just aren't being returned in the query.)
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Oct 28, 2011
I need to convert below functionality in Oracle. At present it is working with SQL server
current_end_time TIMESTAMP,
current_start_time TIMESTAMP
current_duration int
current_end_time := DATEADD(second, current_duration/10, current_start_time)
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May 30, 2011
convert a HTML to PDF format using plsql using oracle 9i.
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Feb 20, 2012
I have a normal table like step 1 and I want to get a output like step 2. get the output from Columns to row in simple sql.
Step 1)
Table Name: Rat_table
------------------------------------------
Column : year and rating_name
year rating_name
------ -----------
2011 'Sucessful'
2010 'Not Rated'
Step 2)
Table Name: Rat_table
------------------------------------------
rating_name 'Sucessful' 'Not Rated'
year 2011 2010
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Oct 24, 2013
How to convert Oracle 10g Forms to Oracle 6i Forms ?
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Sep 26, 2012
I have Table like
ID |A |B |C
---------------------------------------------------
4 |0000 |ALL |6
7 |0000 |ALL |3
8 |TEST |ALL |3
and my expected should be like this
ID |ColumnName |Value
-------------------------------
4 |A |0000
4 |B |ALL
4 |C |6
7 |A |0000
7 |B |ALL
7 |C |3
8 |A |TEST
8 |B |ALL
8 |C |3
in oracle 11g we have the option call pivot and unpivot but i dont know how achive this in 10g.
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May 2, 2008
why how ever way i try i cant get the joins on the tables properly.... well i know i have to work hard....if join is not proper the data i extract is also not proper.Well now i have 3 tables...
ps_operations
Name Null? Type
----------------------------------------- -------- --------
ASSB_PT_NBR_SEQ_ID NOT NULL NUMBER(8)
OPERATION_NBR NOT NULL VARCHAR2(10)
EFFECTIVE_FROM_DT NOT NULL DATE
DML_TS NOT NULL DATE
DML_USER_ID NOT NULL VARCHAR2(30)
OPERATION_DESC NOT NULL VARCHAR2(70)
HOURS_PER_PIECE_QTY NOT NULL NUMBER(9,6)
PIECES_PER_HOUR_RATE_QTY NOT NULL NUMBER(15,7)
EFFECTIVE_TO_DT DATE
EXTRACT_IND VARCHAR2(1)
[code]...
I have never worked on CPK and UK....so i dont know how to use them to join the tables,.
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Feb 23, 2012
We have access to a remote Oracle database in Germany and need to insert selected data to our local Oracle database. Our problem is that we have to do several joins (7 tables) on the remote database as well as using one where clause (always the same: P.T_LIEF_LFNT_1='12803193').
Unfortunately we do not have rights to create a view on the remote database. Is there another way to send the entire query to the remote database for processing? Also, the query returns approximately 34,000 rows.
Here is our current query:
INSERT INTO PRIMUS(PARTNO,
SORT_FORMAT,
TP_WORKSPACE,
[Code].....
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Oct 1, 2013
I have a query I am trying to tune. It presently takes anywhere from 15 minutes to two hours to run, depending on how many records the client has. But it needs to run several hundred times, and finish over the course of a weekend. When it runs over, we have problems.
Here's the basic structure of the query:
CODESELECT ...
FROM main_tab,
tab_a,
tab_b,
tab_c,
...
tab_z
WHERE main_tab.client_id = :1
AND main_tab.unique_id = tab_a.unique_id(+)
AND main_tab.unique_id = tab_b.unique_id(+)
AND main_tab.unique_id = tab_c.unique_id(+)
...
AND main_tab.unique_id = tab_z.unique_id(+);
All of the tables are indexed (and statistics are gathered) on the field unique_idMain_tab has an index on client_id.There is a one-to-one join (sometimes one-to-zero, thus the outer join) from the main_tab table to all the other tables.These are static tables, they're wiped and recreated - no changes, inserts, deletes.
By default, the optimizer does a full table scan and then a hash join on every single of the 26 tab_a through tab_z tables, only using the index on main_tab.
By the way I can add indexes, possibly even to the point of adding an index on some tables that would include all the fields found in the select clause on that table. But I cannot change the table structure (by, say, combining these tables together).
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Jan 5, 2012
I am trying to control which tables are joined based on a null value, so I figured I could use the NVL2.
Here is the code as it stands
NVL2(TBL_TRANSACTIONS.EQUIPSVCSEQ, TBL_EQUIPANDSERVICES.LASTWORKORDERSEQ, TBL_TRANSACTIONS.WORKORDERSEQ)
= TBL_WORKORDERS.WORKORDERSEQ (+)
To explain, if first value is null, then TBL_EQUIPANDSERVICES.LastWOSeq = tbl_workorders.workorderseq (+), otherwise join the transaction.workorderseq.
When I try and execute this code, I'm given "ORA-01417: a table may be outer joined to at most one other table." I've double checked, TBL_Workorders is not joined with any other table in any select.
Now, the EquipandServices.workorderseq is joined (+) with another table.
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Mar 21, 2011
can i able to partition the table based on the column which is in another table ??
For example Table X need to be partitioned based on the column in The Table Y . and Table X and table Y has some relation.
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Jul 29, 2013
i want to get SUM(salary) by combining both employee and employees table.Look my table structure below:
SQL> select * from employee;
EMPNO ENAME HIREDATE ORIG_SALARY SALARY R MGR DEPTNO
---------- --------------- --------- ----------- ---------- - ---------- ----------
1 Jason 25-JUL-96 1234 8767 E 2 10
2 John 15-JUL-97 2341 3456 W 3 20
3 Joe 25-JAN-86 4321 5654 E 3 10
4 Tom 13-SEP-06 2413 6787 W 4 20
5 Jane 17-APR-05 7654 4345 E 4 10
6 James 18-JUL-04 5679 6546 W 5 20
7 Jodd 20-JUL-03 5438 7658 E 6 10
8 Joke 01-JAN-02 8765 4543 W 20
9 Jack 29-AUG-01 7896 1232 E 10
[code]....
Above, i used separate queries to get the result of SUM(salary) by deptno.Here, I want a single query to get SUM(salary) with deptno.
deptno Sum(salary)
----------------------------
10 30056
20 27132
30 6300
40 4300
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Apr 2, 2010
I'm putting together a path to select a revision of a particular novel:
SELECT e.documentname, e.Revision, e.VersionNumber
FROM Catalog, BookInCatalog
INNER JOIN NovelMaster
INNER JOIN HasNovelRevision
INNER JOIN NovelRevision e
LEFT JOIN NovelRevision s
[code]...
My goal here is to select the earliest revision from the set of Novel revision. The revision field is a string.
When I run the query for Novels that have multiple revisions I get multiple records. If there is just one record I only get one row. If there are two I get four (two for each revision). As the number of revision increases it looks like it just mushrooms from there.
One other challenge is the format of the revision- a revision sequence could look like this:
A
B
C1
C2
C
D
E1
E
So there are "intermediate" revision referred to by a number. In this case I would select revision A, but if I had:
A1
A
B1
B
I would want to select B. I am pretty sure that all the revision are stored in the db in order.Notice that the comparison operator ">" is used in e.Revision > s.Revision. I initially though it should have been "<" because we want to select the initial but the other way gives me the right order (though the wrong results).
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Jul 31, 2012
When to use inline query and to use join.
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Sep 29, 2010
I am working on a new project in OBIEE. I am asked to do the data modeling in the database using oracle sql developer. I have to create the joins based on the requirements. I have the tables created already. But the primary keys for few tables are not defined for few tables. PK-FK joins are also not done properly.
My questions are
(1) If I have to define the primary key for the existing tables can I do that using the alter table command or should I create the table all over again and then define it?
(2) If I have to make the changes in the existing PK-FK joins how do i go about doing that?
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