SQL & PL/SQL :: Join On Two Tables
Jul 29, 2013
I have 2 tables SEC_MASTER_HISTA and SEC_MASTER_HISTB.
Now, I need to compare the data of the two tables column-wise.
Ideally the 2 tables should have the same security_alias values but in my case they do not as the two tables belong to 2 diff client models. There is however a main SECURITY_MASTERA and SECURITY_MASTERB tables which have the security_alias recorded and a primary_asset_id column value which can act as a link between SEC_MASTER_HISTA and SEC_MASTER_HISTB. But, I have not been able to figure out the exact query which will be ideal.
Attached are the table structures and the data it contains.
Note: I need to compare the Coupon and Freq column values of SEC_MASTER_HISTA and SEC_MASTER_HISTB.
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Sep 7, 2010
how to join 2 tables to get the result I need.I have following 2 tables (all dummy data)
Table 1
org_iddd_1dd_2dd_3
K87973789865879876432465
J87879454321981234723454
Table 2
acc_numacc_nameacc_typevol_sales
789865 Abcn185765
879876 defd494854
432465 efgg5948545
789865 hijh685765
879876 klmj794854
432465 nopl9948545
I want to join the above tables to get the following result
org_idacc_numvol_sales
K8797378986585765
K8797487987694854
K87975432465948545
J8787978986585765
J8788087987694854
J87881432465948545
I have tried writing union queries and exists clause in where and seem to get nowhere with this.
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Mar 29, 2011
Here is what I'm trying to do:
I have three tables:
TABLE1 TABLE2 TABLE3
NCI 1AB OPEN
NCI (NULL) (NULL)
INV (NULL) (NULL)
NCI 2AB REOPEN
What I want to do is to return all of the rows from TABLE1 that are NCI regardless, and if they are NCI, I want to return the corresponding records from TABLE2 and TABLE3.
If TABLE1 has a record of NCI but there are no corresponding records in TABLE2 or TABLE3, then of course the columns for TABLE2 and 3 would be blank.
I can get all of the NCI records from TABLE1 when I LEFT JOIN with TABLE2, but when I try to specify TABLE3 in the FROM statement, only the records that are NCI in TABLE1 AND have data in TABLE2 are returned, not just all records with NCI in TABLE1.
Let me know if I can further clarify.
I know that you do not have access to my tables, but here is an example of my code so that you may understand my quandary further:
SELECT l.sku AS "SKU",
l.loc AS "LOC",
l.qty AS "QTY",
o.ncikey AS "NCI",
r.description AS "NCI DESC",
o.qtyexpected AS "NCI QTY EXP",
o.qtyreceived AS "NCI QTY REC",
o.loc AS "NCI LOC",
o.status
[Code]...
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Sep 11, 2013
CREATE TABLE MTCH_TBL
(
S_PAID VARCHAR2(100),
S_SEC NUMBER,
H_PAID VARCHAR2(100),
H_SEC NUMBER
);
[code]....
My requirement is to match the records in MTCH_TBL and HIST_TBL on the basis of joining S_SEC(MTCH_TBL) with SEC_ALIAS(HIST_TBL) and INSTANCE (HIST_TBL) as 100 and choosing the record with max EFF_DATE from HIST_TBL.
I have come up with a query as:
select a.h_sec, a.s_paid, a.h_paid
FROM MTCH_TBL a,
HIST_TBL b
where a.S_SEC=b.sec_alias(+)
and b.instance(+)=100
and b.EFF_DATE =
[code]...
join using the EFF_DATE field also and get the expected results.My results are appearing as BLANK. However I need to produce the results as stated below:
Now, i need the results as:
H_SEC= 526
S_PAID= Q00
H_PAID = Q00
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Apr 28, 2010
I am trying to write an Update that really frustrates me because it won't work for one reason or another.The situation is that I have two tables for customer information, t1 with the names of the customer and t2 with the address.These two can be joined via a client_id.
Now I have a third table t3 with the name and address of potential customers. I want to find out if some of them are already known to me so that I can update the client_id from table t1 or t2 into t3.
I have to join firstname, lastname from t3 to firstname, lastname from t1 and street, zip, city from t3 to street, zip, city from t2 and client_id from t1 to t2. Additional there is the problem that there can be more than one result so I have to update one of the found client_ids per name/address into t3.I am no expert to PL/SQL, I just know what SQL works in Access and that is:
UPDATE (t3 INNER JOIN t1
ON (t3.firstname= t1.firstname) AND (t3.lastname = t1.lastname)) INNER JOIN t2
ON (t3.city = t2.city) AND (t3.zip = t2.zip) AND (t3.street = t2.street) AND (t1.client_id = t2.client_id)
SET t3.client_id = t1.client_id;
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Dec 18, 2012
I'm looking a way to easily join two tables on date value but right table has no all possible dates so I need t fill missing records with MAX(DT) values.
My tables looks like
CREATE TABLE CAL
(DT DATE NOT NULL
);
INSERT INTO CAL
(DT
[code]......
And I was trying to merge them somehow to get following result (for all missing dates from SOME_DATA I want to get value corespond to maximum data not higher than cal.dt):
-- good result
| CAL.DT | SOME_DATA.SOME_VAL |
-----------------------------------
| 01/01/2012 | 10 |
| 02/01/2012 | 10 |
| 03/01/2012 | 15 |
| 04/01/2012 | 15 |
| 05/01/2012 | 15 |
[code]......
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Jan 23, 2013
I'm wondering what part of this query is wrong because obviously I'm not getting the desired results.
select a.iss_id,C.ISSR_ID
from ft_t_isid a left outer join ft_t_issu b on a.INSTR_ID=b.INSTR_ID
left outer join ft_t_irid c on b.INSTR_ISSR_ID=c.INSTR_ISSR_ID
and a.ISS_ID in ('CA13606ZDD20',
'CA780086AP98',
[Code]...
I know that the problem is in the joins. I expect to get 9 rows of result but I get a lot more and they are not even what I'm looking for.
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Feb 14, 2012
I'd like to join tables in a cursor.
I tried coding this way...
CURSOR studgrade_cur IS
SELECT g.stud_id, g.grade, subj_code, s.description
FROM studgrades g JOIN subjects s
ON(g.subj_code = s.subj_code)
WHERE stud_id = :Studentprofile.student_id;
but i got an error, saying:
Quote:encountered the symbol JOIN when expecting one of the following:
,; for group having intersect minus order start union where
connect
Is it not allowed to use JOIN statement in a cursor?
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May 20, 2013
I am trying to insert records in multiple tables. I know how to view data using joinig, but unable to understand how to insert records in multiple tables using Joining. I searched it on net, but didn't find much. I have also tried to write a code, but it is not working, I have seen some examples on different websites where people are using SELECT in INSERT statement for joining. What is the correct Syntax to INSERT record in Multiple tables.
Insert into library_users, library_users_info
(library_users.username, library_users.password, library_users_info.address, library_users_info.phone_no) VALUES (...)
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Jan 15, 2013
I have two permanent tables. I want to add the column DELTA_STROM from the table "Delta" into the table "TEST2". Here, the value of the field "POWER_DELTA" in the table "TEST2" depends on the field "Trade_Date".
If the time of the timestamp in table "Test2" is smaller than 12:40 than the value (DELTA_STROM from DELTA) of the day must be added into the field. If the time is huger than 12:40, the value of the next day must be added into the field "POWER_DELTA". All values for "Power_DELTA" for every day are in table "Delta" in the field "DELTA_STROM".
I just added the right values of "Power_Delta" into the table "TEST2" manually to give an understanding.
DATUM DELTA_STROM
-------- -----------
01.01.12 1.92
02.01.12 5.78
03.01.12 0.73
04.01.12 2.84
05.01.12 11.41
06.01.12 -2.76
07.01.12 0.43
08.01.12 1.25
09.01.12 -0.21
TRADE_DATE POWER_DELTA
---------------------------- -----------
02.01.12 11:21:41,720000000 5.78
02.01.12 12:44:01,236000000 0.73
02.01.12 14:05:01,845000000 0.73
02.01.12 16:21:01,345000000 0.73
02.01.12 17:25:41,470000000 0.73
03.01.12 10:31:01,376000000 0.73
03.01.12 11:55:11,798000000 0.73
03.01.12 16:32:47,612000000 2.84
04.01.12 08:24:01,486000000 2.84
04.01.12 12:24:21,189000000 2.84
04.01.12 17:46:21,123000000 11.41
CREATE TABLE "TEST2"
("TRADE_DATE" TIMESTAMP (6),
"POWER_DELTA" NUMBER
);
[Code]....
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Jan 16, 2012
I have to do the optimization of a query that has the following characteristics:
- Takes 3 hours to process
- Performs the inner join with 30 tables
- Produces an output of 280 million records with 450 fields
First of all it is not feasible to make 30 updates (one for each table) to 280 million records.
The best solution that I had found so far was to create 3 temporary tables, where each of them to do the join with 1/3 of the 30 tables, and in the end I make the join between the main table and these three tables temporary.
I know that you will ask (or maybe not) to the query and samples, but it is impossible to create 30 examples.
how to optimize this type of querys that perform the join with multiple tables and produce a large output with (too) many columns.
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May 13, 2013
I saw a strange plan for one query in TESTING DB today. Although 2 tables are involved i dont see any join , NL/HJ/SMJ !! i am not facing any performance issue but curious to know what type of optimization oracle is doing here.
Query text and plan :
SELECT FIRST_NAME
FROM CAMPA.TABLE_A
WHERE NAME_ID =
(SELECT NAME_ID
FROM CAMPA.TABLE_B
WHERE ban=:b1);
[code]....
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Mar 1, 2010
I have 2 tables as shown below. I have to join those tables and get data as in table 3. Condition is I have to get sum of scores for each student where category is 1 and active is Y.
Table1:
col1col2category
A 10 1
A 10 2
B 10 1
B 20 2
C 10 1
D 20 1
J 30 1
Table2:
colAcolBActive
A10Y
A20N
B30Y
B40N
Z35Y
Table3:
STUDENTSCORE
A20
B40
C10
D20
J30
Z35
query to show student name and sum of his score where category is 1 and active is Y. I am using Oracle 8i.
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Nov 18, 2010
Trick is that I've got 4 tables
Sale , sale_details, sales_message, message_text
Table:Sales
Sales_id
Table: Sales_product
Sales_id, sales_product_id
Table: Sales_message
Sales_id, sales_message_id, message_text_id
Table:Message_text,
Message_text_id, message_text
Thing is how can I join those tables to get all the sales ID's that have at least two products one of which has got any number of messages and the other one hasn't got ANY any messages. So another words one sale entity that has both products with messages and at lease one with no message. Something like this
Sales 1 ID 123
Product1 ID 1234 for sale ID 123
Product2 ID 4321 for sale ID 123
Sales_message ID 098 for product ID 1234 'blabla'
Sales_message ID 876 for product ID 1234 'albalb'
AND NO MESSAGES FOR PRODUCT 4321
This is what I want to get from DB.
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Aug 16, 2010
I have two tables. i need to join the tables. The query is -
select v.c_venditore,v.s_venditore,v.t_diretto_indiretto,v.d_disattivazione,d.s_direzione from VENDITORE v,DIREZIONE d
where v.p_direzione=d.p_direzione order by v.s_venditore
In the table VENDITORE there are 2919 rows. I need to display all the rows. But the joining column p_direzione has some null values.I need to display the null also. But to join the two tables this is the only condition. How can i display all the rows.
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Nov 2, 2013
I have 2 tables Table a(girlscoutid, item, quarter)Table b(girlscoutid, fname, lname) I want to get the names of ppl who did not sell any item/s for the
4th quarter
girlscoutid item quarter7771
drinks 4QS9000
tickets 4QW7771
cookies 2QS5085books 3QF3010tickets3QW5085
cookies1QF lscoutid
fnamelname7771 jenn richochet9000 laura wilkins5085sally mae3010dora mckenzie
This is what I have, however, I get duplicates and also 7771 shows up on the list even though she sold an item on the 4Q.
SELECT fname, lname, a.girlscoutid
FROM a,b
WHERE a.girlscoutid = b.girlscoutidAND term NOT LIKE '4Q_';
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May 2, 2009
I am trying to make a select statement to join a few tables together. What i would like to know is if i can do this by saying the following.
I want to select indviduals that have a skill, but i want to say that if they have any of these skills to show the name so for example
SELECT S.NAME
FROM EMPLOYEE S ,PROJECT_TEAM T, SKILL_LIST L
WHERE T.PROJECT = 'Tesco' AND
L.SKILLNO = 'skill1' or 'skill2' or 'skill3';
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May 27, 2010
I have 8 tables and I want full outer join on these to get the output. The tables are very small having 10 rows at max and consists of only two columns (date and value).
how to write query for this.
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Mar 24, 2012
I have 2 tables, ITEM_T is the base table and RELATIVE_T is the relation table which establish the relationship between parent and child.
I want to give ZZZ child as input and I want get output in below format. I tried various method, but I am not able to get the below result.
Result:
ChildParent_1Parent_2
ZZZYYY XXX
ITEM_T
PK_IDITEM_ID
PK_1XXX
[Code]...
Expected Result:
When give input as ZZZ:
ChildParent_1Parent_2
ZZZ YYY XXX
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Jul 2, 2012
join two oracle tables for fast fetch of data from table.
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Jan 10, 2011
How to export a data, which is a join of three tables.Will Export or dbms_datapump supports for above scenario.
Database: DB1
Tables: T1, T2 & T3
Select: t1.*,t2.*,t3.*
Join: t1.c1=t2.c1 and t2.c1=t3.c1
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Nov 18, 2008
As the title of this topic illustrates, i'm having trouble dumping relevant data from columns of different tables. I am using isql*plus. I have three tables appropriatly related. A 'course' table, 'student' and 'next_of_kin' tables. I have many students enrolled on various courses but only a hanfull of courses offer the module option 'Database Systems'. I have no 'module' table but i know the three course names which provide the module option. I intend on producing a report hich lists all students enrolled on the courses which provid the module option 'Database Systems'.
I have attempted the report but i keep getting a 'cartesian product' displaying all next_of_kin names instead of the appropriate. Also i am struggling to come up with the right WHERE statement to depict only the three courses which provide the module option 'Database Systems' as defined by 'courseNo' in both 'course' and 'student' tables.
Here is the most recent attempt:
--set echo off
--set pagesize 24
--set feedback off
--set linesize 78
col A format 99999999 heading 'Student No'
[code]...
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Mar 22, 2012
these are the sample data :
CREATE OR REPLACE TYPE CourseList AS TABLE OF VARCHAR2(64);
CREATE TABLE department (
courses CourseList)
NESTED TABLE courses STORE AS courses_tab;
INSERT INTO department (courses)VALUES (CourseList('1','2','3'));
[code]....
The query returns the correct data, CourseList that are not subset of any other CourseList of the table.
I am trying to convert this not exists in a left outer join query to check if the performance is better, but I don't know how to do it.
I was making some variations of this code :
select d1.courses c_1, d2.courses c_2
from department d1,department d2
where d1.courses<>d2.courses(+);
but it is now working.
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Oct 19, 2013
Lets say I have three tables t1 and t2 and t3.
SELECT * FROM T1;
Id
____
1
2
3
4
SELECT * FROM T2;
Id
____
1
SELECT * FROM T3;
Id
____
1
Now when data exists in T2 and T3, I want to return only the records in T1 that match the records in T2 and T3 which is basically a normal join
select t1.id from t1, t2,t3 where t1.id = t2.id and t1.id = t3.id
However when there are no records in T2 or T3, I want to return all records in T1 i.e 1,2,3,4
One way of doing that is using the not exists clause
select * from t1 where not exists ( select null from t2 where t2.Id != t1.id) and not exists ( select null from t3 where t1.Id != t3.id)
Is there a better way of doing this in sql ?
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Aug 14, 2009
i want to know the difference between Left outer join Vs. Right outer join? Its like which join is safer to use or is there any recommendations to use any join?
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Nov 9, 2010
problem on oracle 11gR2 where i have to import data from a source database to an existing table without truncate or drop the target table in the target database.
we have found something called table_exist_action=append in impdp.
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May 18, 2011
I have to cleanup data from our tables (Production Environment) that contain millions of rows. The question is apart from the solution of the partitioned tables what alternative recommended solution suggests Oracle?
To delete these tables by using a cursor PL/SQL block or to import all the database and in the tables that we want to remove the old rows to use the QUERY option of the data pump utility.
I have used both ways and i have to admit that datapump solution is much much faster than the deletion that suffers from I/O disk.The question again is which method from these two is more reliable and less risky for the health of the database.
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Sep 3, 2012
I came across an implementation where data from DB2 tables are moved to Oracle tables, for BI solutioning, using some oracle procedures called from MS SQL DTS packages which are scheduled jobs.Just being curious, can this be done using OWB or ODI rather than the above detour. I suppose there are some changes being done in those procedures before the data is being loaded into Oracle tables, can't this be done using OWB/ODI? Can it be scheduled too as jobs using OWB/ODI?
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May 29, 2013
In our schema we have corresponding audit tables for most of the production tables
Ex Table name Audit Table
EMP EMP_AU
DEPT DEPT_AU
Audit tables will have all the columns of production table along with audit columns AUDIT_DATE , AUDIT_OPERATION There are few production tables which are not having audit tables.I need to write a script to identify
1) Production tables where corresponding audit table is missing
2) Where there is column difference (In case any column missing in audit table) between Production table and Audit table
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Oct 15, 2012
I want to create a query with only the junction of these two queries:
- select id_utilizador,nbeneficiario,nome from adm_utilizadores a WHERE exists ( select 1 from adm_util_grupos b where
a.id_utilizador = b.id_utilizador and b.id_grupo = '1') ;
- SELECT b.*,rownum as row_num FROM ADM_UTILIZADORES b ORDER BY $sidx $sord
WHERE row_num BETWEEN $start AND $end";
Virtually want id_utilizador, nome, and nbeneficiario, I can get the first query, ordered me returning the first 10.
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