PL/SQL :: Update Statement In Join Query
Nov 16, 2012
I've seen this example numerous places, and tried to implement it, but I keep getting an "invalid identifier" error message, despite the fact that I've got the table and column specifically identified.For instance, my query reads like:
UPDATE tbl1
SET tbl1.EMPID =
(SELECT tbl2.EMPIDA FROM tbl2
WHERE LOWER(tbl1.EMAILCOL) = LOWER(tbl2.EMAILCOL2)
)
WHERE tbl2.EMPIDA IN ('Z1O435','S8M4722','M0D5156')
AND EXISTS
(SELECT tbl2.EMPIDA
FROM tbl2
WHERE tbl1.EMAILCOL= tbl2.EMAILCOL2 );
But I'll keep getting flagged at the tbl2.EMPIDA column reference. I have not tried this in SQL Plus, just in TOAD, but it seems to repeatedly fail.I have had to dump records to standalone Access tables and link back to perform the updates.
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Aug 17, 2010
This is my query:
UPDATE t_tt_hours a
SET a.sak_request = (
SELECT b.sak_request
FROM t_requests b, co c
[Code]...
The problem I am having is that it is updating all rows even when it is pulling back a null value for b.sak_request. I've tried adding b.sak_request is not null to the select statement like this:
UPDATE t_tt_hours a
SET a.sak_request = (
SELECT b.sak_request
FROM t_requests b, co c
WHERE b.nam_eds_tracking_id = c.id_dir_track_eds
[Code]...
but it doesn't seem to make a difference. The reason I need to do this is that the difference between where it matches with a valid (non-null) value is 396 rows vs. 12,484 rows which is too time consuming to run on my page.
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Jun 26, 2012
How to update single table column using join query
Example:
Update table1 t1,table2 t2
set t1.column2 = 'Y'
where t1.column1 = t2.column1
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Jun 16, 2011
I have two tables. By joining these two tables, I need to update a field in table1.
UPDATE table1
SET table1.FLAG = 'Fixed'
where table2.lastname = table1.lastname
and table2.status in ('fulltime','parttime')
I keep getting error 'table1.lastname' is invalid identifier.
I can't understand the error message. I made sure that the fields exist.
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Oct 6, 2010
I am running one update statement which is running almost one hour still no response.
I would like to know either query is processing or hanging(suppose to finish the update within few minutes).
Is there any way or sql to find either the statement(my update query) is running or hanging.
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Oct 25, 2010
I want to convert the below SQL to a dynamic sql to be executed from execute immediate statement.
UPDATE transaction SET loannum = lpad(loannum,12,'0')
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Sep 7, 2010
I have to update 20 and 60 million records of a table. The update statement are
1> 20 million recs
update mycustomer set update_time=add_months(sysdate,240) where seq_num = 1;
commit;
2> 60 million recs
update mycustomer set update_time=sysdate-seq_num where seq_num <> 1;
commit;
Q1> Is there any way to improve performance
Q2> Will parallel dml improve performance
Q2> Would a pl/sql cursor make any difference in speed.
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May 30, 2013
i am reading the columns value from different table but i want to update it with single update statement. such as how to update multiple columns (50 columns) of table with single update statement .. is there any sql statement available i know it how to do with pl/sql.
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Mar 21, 2011
I have one doubt about update command in sql. How to update the multiple rows with different values using update statment.
Eg:-
SQL> set linesize 500;
SQL> set pagesize 500;
SQL> select * from emp;
SQL> select empno,ename,sal from emp;
SQL> select empno,ename,sal from emp;
EMPNO ENAME SAL
---------- ---------- ----------
7839 KING 5000
7698 BLAKE 2850
7782 CLARK 2450
7566 JONES 2975
7654 MARTIN 1250
[Code]....
The above table contains 14 records. Now i would like to update the salary column with different values like
EMPNO SAL
===========
7839 18000
7698 20000
7782 5000
...
...
...
7934 25000
How to update above values with single update query.
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Jul 21, 2011
I have 2 sql's statement below, and just wondering if their is difference between the two sql's.
FIELDS data type:
--------------------
a.field is DATE
b.field is also a DATE
SQL1:
-------
SELECT a.*, b.*
FROM table a
INNER JOIN table b
ON a.field = b.field
WHERE a.field between b.field AND b.field + 2
;
SQL2:
-------
SELECT a.*, b.*
FROM table a
INNER JOIN table b
ON a.field between b.field AND b.field + 2
;
OR
SELECT a.*, b.*
FROM table a
INNER JOIN table b
ON a.field >= b.field AND
a.field <= (b.field + 2)
;
which ever is correct between the two sql.
QUESTION: would be the two sql's generate same result set.
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Mar 14, 2011
I am trying to run following sql query,but it is throwing following error.
SQL> delete from b$gc_count_temp a INNER JOIN COMPLEMENTS ON b$gc_count_temp.CON
NECTION_ID_TEMP=COMPLEMENTS.feature_conn_id
2 WHERE a.current_designation is null and a.current_low is null and a.current
_high is null;
delete from b$gc_count_temp a INNER JOIN COMPLEMENTS ON b$gc_count_temp.CONNECTI
ON_ID_TEMP=COMPLEMENTS.feature_conn_id
*
ERROR at line 1:
ORA-00933: SQL command not properly ended
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Apr 22, 2013
I'm having some trouble writing this query using a decode statement within a join. First, lets say I have two tables. Table A has the fields 'Baseline', 'NAD', 'Null', and 'Harn'. Table B has the fields 'Null', 'NAD', and 'Harn'. I want to join these tables together by these fields to return their ID's. Because table B doesn't have 'Baseline' to even have a match between the two tables, in Table A, we want to treat 'Baseline' as 'Harn', hence a decode statement. My query is below
Select
...
...
...
From
...
inner join oracle_srid_xref B on A.horizontal_datum = B.horizontal_datum and
decode(A.horizontal_epoch, 'BASELINE', 'HARN', loc.horizontal_epoch ) = B.horizontal_epoch
I'm not getting the ID's where the horizontal_epoch was initially 'Baseline'
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Mar 16, 2011
im trying to update a column in the employee table with the value "YES". Im getting an error message saying im missing a SET statement from this code below:
update e
SET e.review='YES'
from employee
inner join rentals r
on e.employee_id=r.employee_id
inner join job j
on e.job_id=j.job_id
where r.plate ='FY06WNT'
and j.function !='MANAGER'
and j.function !='PRESIDENT';
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Jul 7, 2010
drop table dev10 purge
/
drop table dev11 purge
/
drop table dev12 purge
/
create table dev10 as
select rownum c1, sys.dbms_random.string('U', 6) c2, trunc(sys.dbms_random.value(1, 7)) c3
from dual connect by rownum < 8
/
[Code]...
Now, Let us assume that, the record is
AAAAAA BBBBBB CCCCCC
DDDDDD EEEEEE FFFFFF
...
..
.
Now, we want dev12.c2 is 'FFFFFF' if dev11.c2 is 'BBBBBB', if we want to get this:
AAAAAA BBBBBB FFFFFF
DDDDDD EEEEEE FFFFFF
...
..
.
We can make this for SqlServer by coding:
UPDATE dev10
SET c3 = dev12.c1 FROM dev10 INNER JOIN dev11 ON dev11.c3 = dev10.c1 CROSS JOIN dev12
WHERE (dev11.c2 LIKE 'BBBBBB')
AND (dev12.c2 LIKE 'FFFFFF')
/
but, Oracle, what should we do new?
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Apr 13, 2011
This is my working query in ms access...
UPDATE Caxnode AS A INNER JOIN Caxnode AS B ON A.node_alias = B.node_alias SET A.partition_Type = 'LDOM', A.node_mode = 'LOGICAL', A.host_id = b.host_id, A.num_of_proc = b.num_of_proc WHERE (((A.node_mode)='virtual' Or (A.node_mode)='regular') AND ((B.partition_Type)='LDOM'));
This doesn't work in oracle, I googled and read that update doesnt work with inner join in oracle..
translate this query to work on oracle?
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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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Jun 9, 2010
I want to use join condition in update syntax.Like the following way but it doesnot work.how to fix it.
update tab_1 a
set a.qty = b.sell_qty
from tab_2 b
where a.nbr=b.nbr
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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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Feb 16, 2011
I Require to Update the Data in Join Condition. When Run the Query the Error display as ORA-00933: SQL Command Not Properly Ended.
Query:
Update a set a.Dr_Re = Nvl(b.Dr_Amt,0),
a.Cr_Re = Nvl(b.Cr_Amt,0)
FROM xxsc.xxsc_creditors_aging_brnwise a
join (Select Branch,Invoice_id,vendor_site_code,segment1,
case when (sum(nvl(dr_re,0)) - sum(nvl(cr_re,0)) > 0) then sum(nvl(dr_re,0)) - sum(nvl(cr_re,0))
Else 0 End DR_AMT,
[code]........
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May 20, 2010
9i worked fine 11g release2 giving ora-01779
alternative sql for the following :
UPDATE /*+ BYPASS_UJVC */
(
SELECT
c.c1,
c.c2,
c.c3,
[code].....
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Jan 8, 2011
novice to SQL (Oracle 10g)
Am trying to write code for sollowing scenario:
Have 3 tables
table1 (campaignid,promoflag)
table2 (campaignid,projectid,campaigndesc)
table3 (projectid,promoflag,projectstart,projectend)
I am to update table 1 promoflag with value from promoflag in table3
Update table1
set promoflag = table3.promoflag
I would like to make sure only appropriate record is updated therefore want to use where clause condition but the primary key for table1 and table3 are different, the only link can be found on table2.
I want to use condition where table1.campaignid=table2.campaignid and table2.projectid=table1.projectid
Have used the following without success:
Scenario 1
Update table1
SET promoflag = table3.promoflag
FROM table1
inner join table2 on table1.campaignid = table2.camapaignid
inner join table3 on table2.projectid = table3.projectID;
Error at line 1 ORA-00933: SQL command not properly ended
Scenario 2 with real table/column names
Update UA_CAMPAIGNEXTATTR
SET CFPROMOTABLE = LMUK_PROJECT_AUDIENCE_GRID.GRID_AUD_CFPROMOTABLE
FROM UA_CAMPAIGNEXTATTR,UA_CAMPAIGN,LMUK_PROJECT_AUDIENCE_GRID
WHERE
UA_CAMPAIGNEXTATTR.CAMPAIGNID = UA_CAMPAIGN.CAMPAIGNID
AND UA_CAMPAIGN.PROJECTID = LMUK_PROJECT_AUDIENCE_GRID.GRID_AUDIENCE_ID;
Error at line 2
ORA-00933: SQL command not properly ended
It appears to get block with the 'FROM' statement (was underlined in red)
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Apr 13, 2011
This is my working query in ms access...
UPDATE Caxnode AS A INNER JOIN Caxnode AS B ON A.node_alias = B.node_alias SET A.partition_Type = 'LDOM', A.node_mode = 'LOGICAL', A.host_id = b.host_id, A.num_of_proc = b.num_of_proc WHERE (((A.node_mode)='virtual' Or (A.node_mode)='regular') AND ((B.partition_Type)='LDOM'));
This doesn't work in oracle, I googled and read that update doesnt work with inner join in oracle..translate this query to work on oracle?
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Jun 13, 2012
i want to update record that is fetched based on join condition on form
1. made a block manually :::: EMPSAL
2. Query DATA SOURCE NAME :::: EMP a, Sal b
3. Where Clause :::: a.empid = b.empid
4. DML DATA Target Type :::: Table
5. DML DATA Target Name :::: EMP a, Sal b
6. All Columns are marked a.empid, a.empname, b.sal, b.date etc
It does not allow me to update record.
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Jan 18, 2013
I'm unable to get the below update SQL to run in Oracle, it's giving me th below error
ORA-00933: SQL command not properly ended.
UPDATE
PDR.PH_Family_Match_by_Chassis a
SET a.Launched = 'Y'
INNER JOIN
PDR.domCHASSIS
ON
a.chassis_id = PDR.domCHASSIS.chassis_id
[code]....
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Aug 10, 2011
I have a table zTest with several products:
create table zTEST
( PRODUCT number,
ID number,
Flag number,
FLAG_L1 number );
[Code]...
The field FLAG_L1 is the field FLAG with a Lag 1 (order by ID, partition by PRODUCT). I want to write the field FLAG_L1 in an update statement, how can I do this?
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Nov 13, 2011
The existing format of the records are
MCF_ID MCF_PRDGRP MCF_BSCNME MCF_BSCSUP MCF_CRDNME Cno
------ ---------- ---------- ---------- ---------- ---
41956 1001 LIM KOK HWA Base LIM KOK HWA 101
41957 1102 CHEN ZHEN Base CHEN ZHEN 102
41958 1102 CHEN ZHEN Sub CHEN HONGJIAN 103
41960 2007 CHEN ZHEN Base CHEN ZHEN 104
41961 2007 CHEN ZHEN Sub CHEN HONGJIAN 105
41968 2108 WEE LIANG Base WEE LIANG 106
41969 2108 LOW KAH Sub LOW KAH 107
This should be modified as below.
MCF_ID MCF_PRDGRP MCF_BSCNME MCF_BSCSUP MCF_CRDNME Indicator Sub Name baseCno SubCno
------ ---------- ---------- ---------- ---------- ---------- -------- ------ ------
41956 1001 LIM KOK HWA Base LIM KOK HWA 101
41957 1102 CHEN ZHEN Base CHEN ZHEN Sub CHEN HONGJIAN 102 103
41960 2007 CHEN ZHEN Base CHEN ZHEN Sub CHEN HONGJIAN 104 105
41968 2108 WEE LIANG Base WEE LIANG 106
41969 2108 LOW KAH Sub LOW KAH 107
[Code]..
Throught this query, I get a extra record with null value in the Sub_name and Sub_Cno.update this query using a self join.
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Dec 6, 2011
I have a below UPDATE STATEMENT and it is taking more than 1hr to complete. tune this to complete as quick as possible.
UPDATE A_TABLE A
SET FLG= 1
WHERE EXISTS (SELECT ID FROM B_TABLE B where A.ID=B.ID);
Count of the table A_TABLE --- 16,331,441
Count of the table B_TABLE --- 1,271,903
We have index on B.ID and A.ID
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Aug 2, 2011
PROCEDURE split_name (
full_name IN VARCHAR2,
name1 OUT VARCHAR2,
name2 OUT VARCHAR2,
name3 OUT VARCHAR2,
name4 OUT VARCHAR2,
name5 OUT VARCHAR2
)
the above is the procedure declaration. i want to use this function in updating the records in a table. this procedure is working fine in forms and it is splitting the names perfectly and i dont know how to use this in update statement as it is not returning anything like functions do.
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Sep 17, 2007
While updating a table, is it possible to get the old value of a column. I need to get it inside a PLSQL block and not in a trigger.for example :-
DECLARE
l_amountNUMBER(5) := 0;
BEGIN
UPDATECustTransactions
SETamount = 150
WHEREcust_id = 5412
RETURNING amount INTO l_amount;
DBMS_OUTPUT.PUT_LINE ( 'l_amount= ' || l_amount );
END;
By using the RETURNING clause i am getting the new updated value. I need the old value for some processing. Do i have to explicitly query it before the update stmt? Pls reply.
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Nov 26, 2012
I am having trouble figuring out why an update statment is ignoring the primary kiy index when performing an update through the application. The index IS used when the update is run from sql*plus or other sql tools.
The statement is very simple:
update ITEM_MASTER set COST = :1 where SMARTPART_NUM = :2;
ITEM_MASTER has unique, primary key index on SMARTPART_NUM
When I use OEM and other tools, I can see the index is not used in the exlain plan, and the query has a high CPU cost due to the full table scan. The table is analyzed, lately using 100%. Table rowcount is 229768
SELECT column_name, num_distinct, num_buckets, histogram, trunc(last_analyzed) ANALYZED FROM USER_TAB_COL_STATISTICS
WHERE table_name = 'ITEM_MASTER' AND column_name = 'SMARTPART_NUM';
COLUMN_NAME NUM_DISTINCT NUM_BUCKETS HISTOGRAM ANALYZED
------------------------------ ------------ ----------- --------------- ---------
SMARTPART_NUM 198417 254 HEIGHT BALANCED 25-NOV-12
The database is Oracle Database 10g Release 10.2.0.4.0 - 64bit Production (on Windows, standard edition)
Here are parameters related to optimizer:
optimizer_dynamic_sampling integer 2
optimizer_features_enable string 10.2.0.4
optimizer_index_caching integer 0
optimizer_index_cost_adj integer 100
optimizer_mode string ALL_ROWS
optimizer_secure_view_merging boolean TRUE
We've tried rebuilding the indexes then re-analyzing, dropping stats and locking at zero, using various sample sizes; none have any impact.
We wondered if the bind variables are causing this, though in testing outside the application, we tried pl/sql and sql batches to mimic the passing of values into the binds, and all still used the index.
Other than putting a hint into SQL in the application (we'd have to ask for a customization), how can I "fix" the database to use the index? In other words, how can I make the database see that the cost of a FTS is much higher than using the index, whenever it sees these updates (either from sql or the application)? This is the simplest example, but we have 4-5 SQL updates on this and other tables that are ignoring the indexes and using full table scans, so we'd like to fix it for all.
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