SQL & PL/SQL :: Update Statement Using Multiple Tables
Aug 26, 2010
I am issuing an update statement in which I am using multiple tables it is giving me an error " set keyword missing"
update E_CONT_DETAIL_NUMB_VALUE ecdnv, y_obj_category yoc, t_contact tc
set ecdnv.ContTPRecCount = 1000
where tc.default_category_id = (select primary_key from y_ojb_category where tree_position = 'CONT')
and ecdnv.detail_field_id=tc.default_category_id;
update E_CONT_DETAIL_NUMB_VALUE ecdnv, y_obj_category yoc, t_contact tc
*
ERROR at line 1:
ORA-00971: missing SET keyword
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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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Mar 24, 2012
I have a table called test_renames that has two columns(new_name and old_name) and one row with the following values
NEW_NAME OLD_NAME
DRUG10 DRUG1
I have another table called SH0 that has 10,000 rows and the column of interest is called ITEM1. ITEM 1 contains the following distinct drug names:
DRUG1,DRUG2,DRUG3,DRUG4,DRUG5
Each DRUG has multiple rows associated with it.
I need to only update rows for DRUG1 and set the name from DRUG1 to DRUG10 for all rows where ITEM1 is DRUG1.
However I need to write this update statement by joining with the values in the test_renames table that contains the NEW_NAME and the OLD_NAME.
DRUG1 has 2,000 rows associated with it. The following SQL statement gives me 2,000 rows
(SELECT NVL(CHG.NEW_NAME, SH.ITEM1)
FROM test_renames CHG,sh0 sh
WHERE UPPER(SH.ITEM1) = UPPER(CHG.OLD_NAME)
AND UPPER(SH.ITEM1) IN (SELECT UPPER(OLD_NAME) from test_renames))
However when I run the following update statement, it appears that the SQL query updates all the 10,000 rows in the table instead of just touching the 2,000 rows for DRUG1. It does change all the rows for DRUG1 to DRUG10, but all the other ITEM1 values become null. What I need from the update statement is only chnage the rows for DRUG1 to DRUG10 and leave the other rows that I associated with DRUG2, DRUG3 etc. Here is my update statement.
UPDATE SH0 SH
SET ITEM1 = (SELECT NVL(CHG.NEW_NAME, SH.ITEM1)
FROM test_renames CHG
WHERE UPPER(SH.ITEM1) = UPPER(CHG.OLD_NAME)
AND UPPER(SH.ITEM1) IN (SELECT UPPER(OLD_NAME) from test_renames))
This update statement touches all 10,000 rows. I am looking to update only the relevant 2,000 rows for DRUG1.
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Jul 24, 2009
Updating multiple ROWS with different values using single statement. Requirement is to update one column in a table with the values in the other table.
Say we have 3 tables, CORPORATION,CORPORATE PROFILE and MEMBER.
Each MEMBER has CORPORATE PROFILE which in turn is associated with CORPORATION. Now I need to update MEMBER table with CORPORATION identifier for members who belong to corporations with identifiers say 'ABC' and 'DEF'.
MEMBER table contains column 'CORPIDENTIFIER '. CORPORATEPROFILE table contains MEMBERID and CORPORATIONID,this will associate a member with the corporation. CORPORATION table contains ID and CORPIDENTIFIER.
Using the below query I am getting error,ORA-01427:single-row subquery returns more than one row
UPDATE MEMBER M SET M.CORPIDENTIFIER=
(SELECT A.IDENTIFIER FROM CORPORATION A,CORPORATEPROFILE B
WHERE B.CORPORATIONID=A.ID AND B.MEMBERID=M.ID AND (A.IDENTIFIER LIKE 'ABC' OR A.IDENTIFIER LIKE 'DEF'))
Sub query in the above query returns multiple rows and hence it is throwing the error.More than one members are associated with Corporations ABC and DEF. Is there any way possible to update all the rows in single query with out iterating the result set of sub query.
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Aug 20, 2013
create table temp_tst
(
FILENAME VARCHAR2(200),
EDITED_BY VARCHAR2(50),
EDITED_TO VARCHAR2(50)
)
[code]....
Can I write a single update statement to update filename column replacing "_tst" with "_check"?
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Nov 21, 2012
I have to write a "after update trigger". Here, i have to update the stock table by other inventory tables (by complex query).
I have written trigger below. how to make it correct?
create or replace trigger trg_stk_upd_pur
after update on O_STOCK_EFFECTS
REFERENCING NEW AS new OLD AS old
FOR EACH ROW
[Code]....
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Sep 6, 2013
I am trying to update multiple columns from one table based on the results of another table So I have 3 tables as follows
HISTORYSUMM_SNAPADM_CHOICE
My SQL code is loosely SELECT SUM(H.HIS1),
SS.SNAP1,
AC.ADM1FROMHISTORY H,
SUMM_SNAP SS,ADM_CHOICE ACWHERE H.HIS2=SS.SNAP2AND SS.SNAP3=AC.ADM2GROUP BY SS.SNAP1,
AC.ADM1
This works, and I am able to SUM the column as I need with the right numbers. I altered the SUMM_SNAP table and now I want this summarized column to be in the table I tried using UPDATE, but there is no FROM clause to let me do the table join/group by
UPDATE SUMM_SNAPSET SUMM_SNAP.SNAP3=SUM(H.HIS1)FROMHISTORY H,
SUMM_SNAP SS,ADM_CHOICE AC
WHERE H.HIS2=SS.SNAP2AND SS.SNAP3=AC.ADM2
GROUP BY SS.SNAP1, AC.ADM1
The above is obviously wrong - but just trying to show whatI was thinking What would be the best method to get the numbers from the SUM into a table?
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Apr 8, 2010
i have two tables test1 and test2. i want to update the column(DEPT_DSCR) of both the tables TEST1 and TEST2 using select for update and current of...using cursor.
I have a code written as follows :
DECLARE
v_mydept1 TEST1.DEPT_CD%TYPE;
v_mydept2 TEST2.DEPT_CD%TYPE;
CURSOR C1 IS SELECT TEST1.DEPT_CD,TEST2.DEPT_CD FROM TEST1,TEST2 WHERE TEST1.DEPT_CD = TEST2.DEPT_CD AND TEST1.DEPT_CD = 'AA' FOR UPDATE OF TEST1.DEPT_DSCR,TEST2.DEPT_DSCR;
[code].......
The above code when run says that it runs successfully. But it does not updates the desired columns[DEPT_DSCR].
It only works when we want to update single or multiple columns of same table...i.e. by providing these columns after "FOR UPDATE OF"
I am not sure what is the exact problem when we want to update multiple columns of different tables.
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Apr 9, 2011
I'm writing a Procedure which Updates or Inserts data in Multiple tables. Selected fields of 10 tables need to be updated or Inserted. For this I created a table which comprises of fields related to all 10 tables. Then I write Procedure. Under this I create a Cursor which uploads the data from the newly created table which contains different fields of 10 tables. Then I write Update and Insert statements one by one for all 10 tables.
Sample Procedure below.
-------------------------------------------
Create or replace procedure p_proc as
spidm spriden.spriden_pidm%type;
cursor mycur is select * from mytable;
begin
for rec in mycur
[code]......
----------
Note: I created table on my server because data is coming from different server. They will upload the data in the table from there I pick and update the tables. Is updating or Inserting data in different tables one by one is correct?
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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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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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Jul 9, 2012
NGFID;RECTYPE;RECNAME
25;7;POLES
PARENT
CHILD;1401;9845075;2020
817;8;SUPPORT
PARENT
CHILD
Required output:-
AREA_SRNO = 1
AREA_NAME = '3rivieres.export.ngf'
File :-mauri.export.ngf
NGFID;RECTYPE;RECNAME
257;7;POLES
PARENT
CHILD;1401;9845075;2020
8174;8;SUPPORT
PARENT
CHILD
Required output:-
AREA_SRNO = 2
AREA_NAME = 'mauri.export.ngf'....etc
CREATE TABLE NGF_REC_LINK
(
AREA_SRNO NUMBER(2),
AREA_NAME VARCHAR2(40),
NGFID NUMBER(20),
TABLENAME VARCHAR2(40),
PARENT VARCHAR2(200),
[code].......
find the ctl file (ngf_test.ctl) and modify the ctl file as per my requirement.
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Jul 19, 2011
I have a column "empno" in EMP table and "deptno" in DEPT table . I want to update both the columns with single UPDATE statement. With out a creation of stored procedure or view(updating it through view).
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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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Dec 1, 2009
I have a field that may look like this:
AS01 AB CD EF
I want to check to see if that string contains any of the values in:
select code from codes_table;
For example, if
select code from codes_table;
returns:
code
-----
AB
LM
NO
PQ
then the query should return 'True'. Using the string above it would return 'True' because 'AB' from the string exists in the table codes_table. Pseudocode would look something like this I guess:
if the input string
contains any of the codes
in the field 'code' from table 'codes_table'
then
'OK'
otherwise
'No good!'
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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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Aug 9, 2013
Using Oracle 11gr2. If I call the following update statement from session A, session A will lock the row until a commit/rollback statement is issued from session A. If session B calls the same update statement and same row, session B will have to wait until the lock is released in session A. However, the application developers are speaking in terms of threads. Could it be possible that the update statement is called within the same session by multiple requests? If yes, could the case statement be evaluated without the row being locked which could lead to false results? Trying to keep this post brief. tableA has columnA (primary key, number) and columnB (number)
{update tableAset columnB = case when columnB = 3 then 4 when columnB = 4 then 5 else columnB endwhere columnA = 6;}
Could 2 requests (almost at the exact same time) in the same session evaluate columnB as 3. The desired result would be the first request sets the column to 4 and the second request sets the column to 5.
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Apr 12, 2012
I am trying to put transactions into 3 different "buckets" for each month of the year.
I am trying to figure out if the syntax for the "else" part of this code is correct... this will basically appear 12 times for each month of the year changing the value for month:
case when floor(sum(total_adjusted_net_amount)/100) < 0 and month in (01) then 0
when floor(sum(total_adjusted_net_amount)/100) > 29 and month in (01) and then 30
else when floor(sum(total_adjusted_net_amount)/100) and month in (01) end Groupin_01
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Oct 17, 2012
I want to run multiple IF Else statements in a single select SQL, each statement is one SQL operating on the same table, what is the best way to write this select SQL query ? If it is PL/SQL, when i get the result from the first IF statement I will skip the remaining execution, and so on..
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Nov 19, 2012
I have following queries:-
#select name from v$database;
#select log_mode from v$database;
#select count(*)"INVALID_OBJECTS" from dba_objects where status='INVALID';
#select count(*) "INVALID_N/A_INDEXES" from dba_indexes where status!='VALID';
#select count(*)"Invalid Triggers" from user_objects where OBJECT_NAME like '%TRIGGERS%' and status='VALID';
#select count(*) "Broken Jobs" from dba_jobs where broken!='Y';
#select count(*) "Block Corruption" from v$database_block_corruption;
i want a table which can be generated just by select cmd and it will list the result of all the above queires as follow:-
DB_NAME ARCH_MOD INV_OBJ INV_IDX INV_TRG B_JOB BLK_CRP
---------- -------------------------------------- -------------------------------------- ---------- ---------- ---------- ----------
PROD NOARCHIVELOG 0 86 6 3 0
I mean to say i want multiple select queries into 1 table (note:- i m not saying to create a tables and then insert,update(using select from other tables), its just a sheel script that will fetch these record into a txt file)
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Apr 16, 2010
I try to apply update statement on the button for the specific records, the command does executes if in the end i write execute_query it always asks for do u wanna save the records, yes or no. I want to remove that message. Also if i write commit it does remove that message but everytime i press the button it updates the old record fine but also adds one more entry for the same record.
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May 14, 2013
I have a table TEMP_TEST_1 to be loaded with multiple rows which contains the available items for a store with their sequence numbers. I also have another table TEMP_INV_1 which holds a column for inventory count of the items, and this column is to be updated after loading the first table TEMP_TEST_1.
The table TEMP_TEST_1 is updated through all possible channels in OLTP. So while updating the inventory, which is the best way. My update should either add the total number of inserts per item into the TEMP_TEST_1 table's INVENTORY_CNT column i.e. existing value + count of new rows OR a full update by taking the complete row count (Grouped by item id) and update the INVENTORY_CNT column
--------------------------------------------------------------------------------
-- Initial setup SQL's, TEMP_TEST_1 is updates on OLTP through multiple channels
--------------------------------------------------------------------------------
CREATE TABLE TEMP_TEST_1 ( ITEMID NUMBER ( 4 ),
INVENTORY_CNT NUMBER ( 2 ) );
CREATE TABLE TEMP_INV_1 ( ITEMID NUMBER ( 4 ),
ITEMSEQ NUMBER ( 5 ) );
INSERT INTO
[code].......
--------------------------------------------------------------------------------
-- Inserts for new items in the store
--------------------------------------------------------------------------------
INSERT INTO
TEMP_INV_1
VALUES
( 1,
11 );
INSERT INTO
TEMP_INV_1
[code].......
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Feb 14, 2005
My Table "demo" has a column "Combined_attributes". I want to update this column with some value having a new line character in it.
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Apr 9, 2010
I have to conditionally update a set of columns in a table. If the column status_code_stage_3 IS NULL THEN I have to update the column status_code_stage_2. The below query is giving error:-
Test Table create scripts
CREATE TABLE test11( date_stage_3 date, reason_code_stage_3 varchar2(20),
reason_code_stage_2 varchar2(20), opportunity_date date )
INSERT INTO test11 values(sysdate,'reason1',NULL,sysdate)
INSERT INTO test11 values(sysdate,NULL,'reason2',sysdate)
[code]....
how to work out the update statement to use the conditional statement for columns.
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Nov 28, 2010
I have a table1 with columns serial no and name as below
serial no name
1 john paul
2 john victor
and i have another table1 with columns serialno,firstname and second name as below
serial no firstname secondname
1
2
I want to update my table2 with the name from table1 and divide and insert in first name and second name as below
serialno firstname secondname
1 john paul
2 john victor
i use the query as below
update table2 set
firstname = (select substr(name, 1, instr(name, ' ', 1) - 1)
from table1
)
but the above query not worked.
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Jun 29, 2012
After an Update statement, Sql%NotFound is being validated. Sql%NotFound validates to true even though a record matching the update condition is found. Because of this, the procedure execution Exits. If the Sql%NotFound is commented, then the Record gets updated. which is validating Sql%NotFound condition to True.
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