SQL & PL/SQL :: How To Select And Delete At The Same Query
Jun 10, 2010
select SQL_CALC_FOUND_ROWS navl.xydata.Lat,
navl.xydata.Longi,
MIN(navl.xydata.GpsTime) as mn,
MAX(navl.xydata.GpsTime) as mx,
timediff(MAX(navl.xydata.GpsTime) ,MIN(navl.xydata.GpsTime) ) as idle,
[code]......
i want to delete WHERE mn = mx .
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Dec 17, 2012
I have 4 tables , Certain users need to (Select ,insert,delete) certain rows only based on nApplication id
All the tables have Application Id , Based on this application id user will (Select ,insert,delete)
I tried row level security DBMS_RLS.add_policy but it hangs every time when i query the data or when i try to drop the policy. Is there is any method to resolve this issue.
If only Row level security will solve this issue , give me some example
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Dec 17, 2010
How to get all the name of tables that a user can select, insert, update or delete?
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Aug 7, 2009
I am looking to simplify the below query,
DELETE FROM A WHERE A1 IN (SELECT ID FROM B WHERE BID=0) OR A2 IN (SELECT ID FROM B WHERE BID=0)
Since both the inner queries are same,I want to extract out to a local variable and then use it.
Say,
Array var = SELECT ID FROM B WHERE BID=0;
And then ,
DELETE FROM A WHERE A1 IN (var) OR A2 IN (var)
How to do this using SQLPLUS?
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Nov 5, 2012
I am using oracle 10.2.0.3 and i am receiving very slow response time for the below query and sometimes resulting in a deadlock throwing ora-60 error.
DELETE FROM GBC_CORE.SPI_ELEMENT_ID TRGT WHERE (TRGT.URI) NOT IN (
SELECT DISTINCT FROMTOURI.URI FROM ( SELECT SERVICEACCESSNAME AS URI,
SUBSTR( SERVICEACCESSNAME,1,INSTR( SERVICEACCESSNAME ,'_')-1) AS
FROM_URI, SUBSTR( SERVICEACCESSNAME,INSTR( SERVICEACCESSNAME
,'_')+1,LENGTH(SERVICEACCESSNAME)) AS TO_URI FROM
TRPT.V_TRPT_SPI_VIEW@DBLNK_FCE_TRPT ) FROMTOURI,
[code]...
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Sep 12, 2013
I want to delete the records grater than two weeks old.From Saturday to Friday we are considering as Week.
P_ID CREATED_DT
105 28/AUG/2013
106 29/AUG/2013
107 30/AUG/2013
108 31/AUG/2013
109 01/SEP/2013
110 02/SEP/2013
[code]....
From 28/AUG/2013 to 30/AUG/2013 records has to be deleted becuase thease records are two weeks old.
From 31/AUG/2013 to 06/SEP/2013 records belongs to one week and from 07/SEP/2013 to 13/SEP/2013 belongs to another week.Today is 12/SEP/2013 so from 06/SEP/2013 to 12/SEP/2013 should be existed in the table.Once date changed to 13/SEP/2013 then from 31/AUG/2013 to 06/SEP/2013 records has to be deleted.
I am posting table and insert scripts.
CREATE TABLE process_data(p_id NUMBER,CREATED_DT DATE);
INSERT INTO process_data VALUES(TO_DATE('28/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('29/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('30/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('31/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('01/SEP/2013','DD/MON/YYYY');
[code]....
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Mar 22, 2011
I have one table that have many records. For the maintenance purpose I like to delete old record based on Customer No.-That is Mobile NO.If each Customer have more than 300 records, I like to delete by everyday batch process.can't figure out how to apply each Customer No.(Specific Column), I could sort (order by few column - SAVE_DT or SMS_ARV_CLC) how to write this kind of query? I try rownum but no more progress.
Here is my table
CREATE TABLE TM_060_SMS_TEST
(
SMS_SEQ VARCHAR2(18 BYTE),
SMS_RCV_CLC VARCHAR2(14 BYTE),
CUST_NUM VARCHAR2(12 BYTE),
[code]...
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Mar 10, 2012
Is there a technique to getting a Top-N query to work as a sub-select in a larger query -or- is there another way to generate Top-N like results that works as a sub-select?
Background:
We have a large query that is being used to build an export from a legacy HR system to a new one. Amount the data needed in the export is the employees primary phone number.
The legacy HR system allows multiple phone numbers to be stored in a simple table structure:
SELECT emp_id, phone_type, phone_number
FROM employee_phones
emp_idphone_typephone_number
------- --------------- -------------------
46021CELL2222222222
46021HOME1111111111
46021WORK3333333333
The new HR system does allow for multiple phone numbers, however they need a primary phone number identified and stored with the employee master information. (Subsequent phone numbers get stored in alternate table.)
From a business perspective, we have decided that if they have a HOME phone in the legacy system that should be the primary in the new system, if no HOME phone, then WORK, if no WORK then CELL.
That can be represented as:
SELECT *
FROM employee_people_phones
WHERE emp_id = '46021'
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')
emp_idphone_typephone_number
------- --------------- -------------------
46021HOME1111111111
46021WORK2222222222
46021CELL3333333333
Or similarly with Top N concept:
SELECT *
FROM (SELECT *
FROM employee_people_phones
WHERE emp_id = '46021'
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results
WHERE ROWNUM = 1
emp_idphone_typephone_number
------- --------------- -------------------
46021HOME1111111111
Or really what I want in my export:
SELECT phone_number
FROM (SELECT phone_number
FROM employee_people_phones
WHERE emp_id = '46021'
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results
WHERE ROWNUM = 1
phone_number
-------------------
1111111111
However, when the Top-N query is added as a sub-select in a larger query using the employee id from the larger query (WHERE emp_id = export.emp_id), it fails saying that �export.emp_id� is not a valid id.
(SELECT phone_number
FROM (SELECT phone_number
FROM employee_people_phones
WHERE emp_id = export.emp_id
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results
WHERE ROWNUM = 1)
1.Any way around this? Is it possible to put a Top-N (with a WHERE clause using data from the main query) in a sub-select?
2.Any alternatives (other than Top-N) to delivering a ROWNUM=1 result with a �custom� ORDER BY statement?
Other Notes: Yes, we know we could do two queries in the data conversion first deliver the bulk data to the target table, and then update with the phone numbers. However, for multiple reasons, that is less than desirable.
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Mar 24, 2011
I like to increase speed to delete our table. Is it possible to use BULK COLLECT or FORALL this query? This is not single delete or select, maybe I got the error? Is it possible to use BULK method to this query?
delete from
TM_060_SFS_TEST
WHERE
rowid in (
SELECT
[code]......
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Aug 16, 2012
I have data some thing like this.
NO NAME LOC SAL
------------------------------------------------------------------
1 A HYD 100
2 B BGL 200
1 A HYD 200
1 A HYD 150
I want to delete duplicate records (group by no,name,loc) but only max(qty) record should be retained. So I need output like this.
NO NAME LOC SAL
------------------------------------------------------------------
1 A HYD 200
2 B BGL 200
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Apr 5, 2013
How Can I delete the returned two rows?
1 select s.reg_no,s.course_code,
2 s.section src_sec,a.section a_sec,a.att_date,a.att_flag
3 from attendance a ,src s
4 where a.semester_code=1
5 and a.semester_year=2013
6 and s.semester_code=1
[code]....
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May 10, 2012
can we delete multiples table through the single query?
suppose we have 2 table first one is emp and second is client
i want delete all data from emp and client through the single line query
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Jul 17, 2012
write a query to delete similar records in particular fields(columns) in different tables.
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Jan 11, 2012
I am using JDBC to run a few queries from my Java program (multi-threaded one).I am facing an issue where a select statement is blocking a delete statement. From the java code point of view, there are 2 different threads accessing the same tables (whith different DB connection objects).
When the block occurs (which i was able to find out from the java thread dump that there is a lock on oracle), the below is the output:
SQL> SELECT TO_CHAR(sysdate, 'DD-MON-YYYY HH24:MI:SS')
2 || ' User '||s1.username || '@' || s1.machine
3 || ' ( SID= ' || s1.sid || ' ) with the statement: ' || sqlt2.sql_text
||' is blocking the SQL statement on '|| s2.username || '@'
4 5 || s2.machine || ' ( SID=' || s2.sid || ' ) blocked SQL -> '
6 ||sqlt1.sql_text AS blocking_status FROM v$lock l1, v$session s1, v$lock l2 ,
7 v$session s2,v$sql sqlt1, v$sql sqlt2
8 WHERE s1.sid =l1.sid
9 AND s2.sid =l2.sid AND sqlt1.sql_id= s2.sql_id
AND sqlt2.sql_id= s1.prev_sql_id AND l1.BLOCK =1
10 AND l2.request > 0 AND l1.id1 = l2.id1 AND l2.id2 = l2.id2;
[code]...
From the above it can be seen that a select statement is blocking a delete. Unless the select is select for Update, it should not block other statements is not it ?
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Dec 6, 2012
We're using Oracle 10g for development purposes. I have 2 same schema with approximately same data. I'm running same query on 2 schemas and I see that the first schema runs the query around 20sec and the 2.schema less than 1 sec. I thought first that there may be missing constraints or indexes but all are the same.
I checked the plan for the 2 schemas and I see that the plan is different.
Here is the query:
SELECT ccc.ComponentId AS "ComponentId", ccp.Code AS "ParentCode", ccc.Code AS "ChildCode" FROM CatalogueComponent ccp INNER JOIN CatalogueComponent ccc ON ccp.ComponentId = ccc.ParentComponentId WHERE ccc.ComponentId IN (20934777, 1594747)
I'm sending also the 2 output of PLAN results from 2 different schemas.
what should I do to fix the problem with the NAFBCA schema.
Attached File(s)
NAFBCA.JPG ( 57.49K )
Number of downloads: 6
NAFBCA2.JPG ( 60.36K )
Number of downloads: 4
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Feb 23, 2009
I want to select all the field from the table and want to put alias for only field i m just wondering is there any way to write a query something like
select *, emp as employee
from empMaster
here i want to display all the column but only with emp column i want to put alias.
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Jun 7, 2011
I have two tables a and b column names are id and date. Data type of date in a and b are different
table (a)
date id
10-DEC-01 2:08:39 PM 1
10-DEC-01 2:08:39 PM 2
10-JAN-02 10:10:22 PM 3
10-JAN-02 10:10:22 PM 4
10-JAN-02 10:10:22 PM 5
table (b)
date id
10-DEC-01 1
10-DEC-01 2
I need table b like this one
table (b)
date id
10-DEC-01 1
10-DEC-01 2
10-JAN-02 3
10-JAN-02 4
10-JAN-02 5
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Jul 22, 2010
SELECT DISTINCT PATIENT_ID , (
SELECT ROWNUM,APPOINTMENT_ID FROM
AppointmentDetailsHistory WHERE APPOINTMENT_STATUS_ID = 2
AND VISIT_TYPE_ID NOT IN (7) AND PATIENT_ID = ADH.PATIENT_ID
[code]...
MY SELECT query failing actually i am trying to convert sql server select into oracle.My sql server query is like this.
SELECT DISTINCT PATIENT_ID , (
SELECT TOP 1 APPOINTMENT_ID FROM
EMRAppointmentDetailsHistory WHERE APPOINTMENT_STATUS_ID = 2
AND VISIT_TYPE_ID NOT IN (7) AND PATIENT_ID = ADH.PATIENT_ID
ORDER BY PATIENT_ID, LAST_UPDATED_DATE ASC) AS FIRST_APPOINTMENT FROM
EMRAppointmentDetailsHistory ADH WHERE ADH.APPOINTMENT_STATUS_ID = 2
AND ADH.VISIT_TYPE_ID NOT IN (7)
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Dec 6, 2012
We're using Oracle 10g for development purposes.I have 2 same schemas with approximately same data.I'm running same query on 2 schemas and I see that the first schema runs the query around 20sec and the 2.schema less than 1 sec. I thoughtfirst that there may be missing constraints or indexes but all are the same.I checked the plan for the 2 schemas and I see that the plan is different.
Here is the query:
SELECT ccc.ComponentId AS "ComponentId", ccp.Code AS "ParentCode", ccc.Code AS "ChildCode" FROM CatalogueComponent ccp INNER JOIN CatalogueComponent ccc ON ccp.ComponentId = ccc.ParentComponentId WHERE ccc.ComponentId IN (20934777, 1594747)
I'm sending also the 2 output of PLAN results from 2 different schemas.
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Jun 7, 2012
How to find display the o/p like manager name under dependent employess same like parent child relation ship on noraml emp table:
sample o/p:
name job
xx manger
yy sales
yy1 sales
aa manager
rr marketing
rr1 marketing
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Sep 19, 2013
write a query to get the first row after order by clause using single query alone.Example:I can write following query to select first rowselect * from (selec * from t order by col1) where rownum = 1;But here I should not use inline view to get the result. Because my original requirement needs to use this query in select list and it needs to use a column (of a table from the FROM clause) in the where clause of inline query. Because there is restriction that we can not use the column (of a table from the FROM clause) more than one level of inline query.
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Nov 27, 2012
I am using this as a subquery within a large select statement.
(select NAME_LAST from person_name where person_id=enc.person_id and ROWNUM = 1 order by person_name_id desc) as PatFirstName
I am getting issues when i am doing rownum=1 with order by clause, what is teh right way.
when i use rownum < 2 without order y clause it is workign fine.
I would like to use order by clause.
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Oct 9, 2012
I have to write a procedure that accepts schema name, table name and column value as parameters....I knew that i need to use metadata to do that deleting manually.
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Sep 13, 2004
Can we create a table from a Select query ?
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May 10, 2013
I have a Select query which is not fetching records in 11g (11.2.0.2.0) but working fine in 10g (10.2.0.4.0). The query is as below.
--CREATE TABLE t1 (col1 NUMBER, col2 VARCHAR2 (15 CHAR), flag varchar2(1))
--insert into t1(col1, col2, flag) values(1, 'a', 'Y');
--insert into t1(col1, col2, flag) values(2, 'b', 'N');
SELECT *
FROM t1 x
WHERE col1 = 1 AND col2 = 'a' -------------- condition1
AND 0 = -------------- condition2
NVL (
(SELECT COUNT (1)
FROM t1 y
WHERE y.flag = 'N'
AND x.col1 = y.col1
AND x.col2 = y.col2),0)--=0
When remove NVL function or change the condition by having AND NVL(SELECT) =0 the query working fine.
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Jun 13, 2007
In sql plus How do I get the number of distinct rows of a certain value?
for example
select group_number from records group by group_number
How would I query for the total number of group_numbers in this query?
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Mar 22, 2013
I have a table A on dev with definition as TAble A(address,name) and the same table on Prod is defined as Table A(name,address).
my question is Ihave one package in that am trying to insert into this table as follows:
INSERT INTO A
SELECT b.name name,
a.address address,
[Code]....
so the query works on Prod but fails on Dev because column order is different.
I have 2 solutions:
1. I can mention column names in insert line and modify the query but tomorro some body changes again the definition of table A I need to change the query, so do I have solution in oracle sql that can handle the column order without specifying the column names in insert line.
so tomorrow On prod column order and on Dev column order is different though my sql should successfully execute.
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Jul 13, 2010
i have a good query but I thought i know the solution but actually I didn't it's very simple and straight forward but i didn't catch the rope terminal to follow now I have the following code
CREATE TABLE TRANSLATORS
(Tr_code VARCHAR2(8),
Tr_name VARCHAR2(50),
Tr_age number(2),
Tr_location varchar2(25),
constraint PK_TR_CODE PRIMARY KEY(Tr_code)
);
[code]....
NOW I NEED A QUERY which will select the only translator who knows the languages written in where clause like if i specify two languages like 'italy' and 'english' the query should retrieve to me GH and SE also if i passed languages 'spainsh' and 'persia' it should return JH only
but if i passed languages like 'Italy' and 'Dutch' it should not return any thing (just : no rows selected)
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Oct 25, 2013
He had created an object type and wanted to populate it in a query. So far so good. But then he wanted to select some attributes from that object in the same query. Basically, he wanted to do something like this:
With his_view
As
( select object_type( attr1, attr2) theobj
From his_table
Where ...
)
Select theobj.attr1
From his_view
But somehow he was hitting ORA-00904: "THEOBJ"."ATTR1": invalid identifier over and over again.Here's a test script:
Create type mhe_type As Object( col1 Number
, col2 Varchar2(30)
)
/
-- Basic select
With mhe_view
[code]...
Specify a correlation name, which is alias for the table, view, materialized view, or subquery for evaluating the query. This alias is required if the select list references any object type attributes or object type methods. link...
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Jul 8, 2011
i have a problem in the following query. i need to fetch the rows such that i want to fetch all the records keeping "segment1" column as distinct and sum all of the corresponding "quantities" column.
select prha.segment1 --as requisition_no
,prha.creation_date
,sum(prla.quantity)
,prha.description
[code]...
i tried to use the partition technique. using partition solved the problem apperently. the sum function worked but redundancy in "segment1" column still persists. i used the sum function only to extract the distinct "segment1" column and summing its corresponding "quantity" column (only quantity column differs in the redundant rows...)
the second query was like:
SELECT prha.segment1,
prha.creation_date,
SUM(prla.quantity) OVER(PARTITION BY prha.segment1) AS qty,
prha.DESCRIPTION,
[code]...
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