SQL & PL/SQL :: Create Nested Query Within Select Of Attributes
Dec 21, 2011
I'm trying to create a sort of nested-query within my select of attributes . i.e.
select A.a,
B.b,
(select count(C.*)
from C
where C. = B.d
group by C.y)
from A a,
B b
where A.d = B.d
and ...
Over-simplifying my query:
select B.desc "Location",
F.desc "Source",
A.amt "Amount",
sum(G.G_CNT) "No. Units",
c.desc "Status"
[code]....
I need to incorporate a count of the number of units from TableG that have a certain status. I tried the following but when I tried to run it, I get an error saying that it's not a Group By expression -the red part is highlighted in TOAD.
select B.desc "Location",
F.desc "Source",
A.amt "Amount",
sum(G.G_CNT) "No. Units",
(select count(*)
from TableG G2
where G2.D_ID = D.ID
and G2.status = 10
group by G2.D_ID)"Count",
c.desc "Status"
[code]....
Any thoughts how I can incorporate a query in my select of attributes?how to Group By something.
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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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Nov 17, 2011
I have created two types and a list of the first type:
create type type1;
/
create type type1_list as table of ref type1;
/
create type type2;
/
I have now just created the two types as follows:
create type type1 as object(
id# number
);
/
create type type2 as object(
attribute1 type1_list,
MEMBER FUNCTION function1 RETURN NUMBER
);
/
Ok, I've created the tables (I don't know if it's necessary to point out my problem)
CREATE TABLE type1_table OF type1;
/
CREATE TABLE type2_table OF type2
NESTED TABLE attribute1 STORE AS nested_type1_list_table;
/
And what I wanted to do now is to implement the member function1 and check something of the attributes of type1 in the list of attribute1... And that's where my question occurs, how does it work, I can't figure it out. I tried something like this:
Quote:
create or replace
TYPE BODY type2 AS
MEMBER FUNCTION function1 RETURN NUMBER AS
[Code]....
But I don't get the right way, it doesn't work
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Oct 10, 2012
I have data in point cloud (x,y,z,a,b,c,d (a,b,c,d are some attributes about this point)). i create a point cloud (sdo_pc - geometry), block tables (sdo_geometry - geometry). if i use a function to_geometry, result is only in multi point without attributes. it is way display this 3D data, and at the same time inquire of concerning for a attributes in concrete points?
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Sep 13, 2004
Can we create a table from a Select query ?
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Jun 11, 2008
I have a table structure like :-
Create table test(A varchar2(50),B NUMBER);
The data in that table is like that:-
A B
----------------------
2*3
2*4*5
4*5
column B contain no data.
I want to create a function which can be used in a select query,and the output should come like that :-
A B
----------------------
2*3 6
2*4*5 40
4*5 20
Means column B contains the resultant value of column A.And the above output should come through a select statement.You can use any function inside the select statement.
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Nov 1, 2013
how do I create a procedure for a SELECT query like the following?
When I create a procedure; I get an error "Error(80,1): PLS-00428: an INTO clause is expected in this SELECT statement" PROCEDURE MyProcISBEGINselect 'Dakota' as ALIAS ,A.StartDate ,B.EndDatefrom Customer A ,Clients bwhere a.cType = b.cTypeand b.Active =0ORDER BY StartDate, EndDateEND MyProc;
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Sep 9, 2013
I have a table with columns job_id, jan, feb, mar ... , and year
I need to create a select query that will get the data from 18 months ago based on sysdate.
So something like:
Select to_char(add_months(sysdate, -18),'MON') from table1 where job_id = 56947 and year = to_char(add_months(sysdate, -18),'YYYY');
However I need the result of to_char(add_months(sysdate, -18),'MON') to actually act as a column name, not a string result.
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Jun 11, 2012
i am using Apex 3.2 ver.
i want to use below code in LOV select list
BEGIN
IF UPPER(:P23_SERVICE_TYPE) like 'GUIDE%' THEN
SELECT NAME D, CODE R FROM SPECIAL_SERV_MAS
WHERE NVL(ACTIVE_FLG,'N') = 'Y'
AND NVL(GUIDE_FLAG,'N') = 'Y'
and CITY_CODE LIKE NVL (:P23_CITY_CODE, '%')
[code]....
When i put this code in my LOV Select list Section then display me Error
Not Found The requested URL /pls/apex/f was not found on this server.
Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server Server at tidevserv1 Port 7777
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Jul 24, 2007
I have here my SQL
-> INSERT into myTable (col1, col2, col3) values(SELECT table_seq.nextval from dual, 'value2', 'value3');
That's not working...
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Feb 18, 2011
I have created table with nested table:
CODECREATE OR REPLACE TYPE ADDR_T AS OBJECT (
ADDR1 VARCHAR2 (50),
ADDR2 VARCHAR2 (50)
);
CREATE OR REPLACE TYPE t_ADDr AS TABLE OF ADDR_T;
[code]....
I have added some records and created index on ID column. I want to get result of CODEselect id, p.addr1,p.addr2 from nested_table n,table(n.COL1) p where id=1
Explain plan for that is:
CODESELECT STATEMENT ALL_ROWSCost: 8 Bytes: 231 Cardinality: 3
4 HASH JOIN Cost: 8 Bytes: 231 Cardinality: 3
2 TABLE ACCESS BY INDEX ROWID TABLE SYS.NESTED_TABLE Cost: 2 Bytes: 13 Cardinality: 1
1 INDEX RANGE SCAN INDEX SYS.FDSFAS Cost: 1 Cardinality: 1
3 TABLE ACCESS FULL TABLE (NESTED) SYS.COL1_TAB Cost: 5 Bytes: 163,840 Cardinality: 2,560
How to avoid full table scan on nested table? Cardinality is sum of all records in nested column in all rows in main table, why?
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Aug 19, 2010
I've create two types:
create or replace type VAL_REC as object
(WAARDE number(20,5) ) ;
create or replace type VAL_TAB is VARRAY(200) of VALREC ;
create or replace type WSN_REC as object
( START_DATE date
, END_DATE date
, DATA VAL_TAB) ;
create or replace type WSN_TAB as table of WSN_REC ;
In a PL/SQL table collecton WSN_TAB is filled. Now I want to create a query (ref cursor) that gives the result:
START_DATE END_DATE WAARDE(1) WAARDE(2) WAARDE(3) etc.
2010-08-15 2010-08-16 20 20 40
2010-08-16 2010-08-17 23 45 40
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Mar 22, 2010
Is it possible to pass a nested select statement as a parameter to a procedure? In other words, I am currently successfully doing this:
SELECT BASE_PAY INTO N FROM EMPLOYEES WHERE ID=p_ID;
SetPackageValueProc(PkgID,'YearlyBasePay',N);
And I'd like to do something along the lines of this:
SetPackageValueProc(PkgID,'YearlyBasePay',(SELECT BASE_PAY FROM EMPLOYEES WHERE ID=p_ID));
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Sep 8, 2009
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0 Production
TNS for Solaris: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
5 rows selected.
I have a problem with views and nested selects which I cannot explain. Here is a trimed down version of the research I have done. notice the following:
1) all code is executed from the same user CDRNORMALCODE. this user has all views and procedural code
2) all data is owned by a different user CDRDATA. This user has no views and no code.
My problem is this:
If I reference the table directly with a delete statement that uses a nested select (i.e. IN clause with select), the index I expect and want is used.But if I execute the same delete but reference even the most simple of views (select * from <table>) instead of the table itself, then a full table scan is done of the table.
Here is an execute against the table directly (owned by cdrdata). Notice the reference to the table in the table schema on line 3. Also please notice INDEX RANGE SCAN BSNSS_CLSS_CASE_RULE_FK1 at the bottom of the plan.
SQL> show user
USER is "CDRNORMALCODE"
SQL>
SQL> explain plan for
2 delete
[code]...
OK, here is an update. The views I am useing normally have instead of triggers on them. If I remove the instead of trigger the problem looks like it goes away, when I put the trigger back the problem comes back.But why would an instead-of-trigger change the query plan for a view?
SQL> DELETE FROM PLAN_TABLE;
5 rows deleted.
SQL> explain plan for
2 delete
3 from BSNSS_CLSS_MNR_CASE_RULE_SV
[code]...
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Apr 19, 2010
For each keeper, show the number of cages cleaned by the keeper, show the average number of animals in the cages cleaned by the keeper and the total cost of the cages cleaned by the keeper."
The data table is shown on the picture.i75.photobucket. com /albums/i297/lovebipbo/SIT103.jpg.. I can learn and do some similar task myself
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Aug 30, 2010
I have a query regarding nested tables while exporting. Are we not allowed to use Query clause during the export of nested table?
I am getting the error:
"EXP-00053: unable to execute QUERY on table NT_LP_COREBAL_MAINT because the table has inner nested tables
Export terminated successfully with warnings."
The exp command we are using is:
exp XXXX/XXXX@XXXX file=test1.dmp log=test1.log tables=nt_lp_corebal_maint query='where domain_id=10110307'.
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Oct 14, 2010
can we use user define value (how to use '&') in nested function of a query ?
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Sep 10, 2013
In the below Table Structure, TB_Vehicles is the Master table and TB_Cars, TB_Bikes, TB_Cars are Satellite tables which hold more info about respective vehicles.
I want users to search using the Name. So, when users enter Name as 'Access', my query should give all information about that vehicle, including that from Satellite Tables (using both TB_Vehicles and TB_Scooters).
SELECT *
FROM TB_Vehicles
WHERE V_NAME = 'Access';
Similarly, if user enters 'Linea', it should give info from TB_Vehicles and TB_Cars tables.
So, with V_NAME as input, I'll find V_TYPE from TB_Vehicles table, and using that, I need to identify which satellite table, I need to join to retrieve more info.
Do I need to use CASE or DECODE to achieve this?
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Jun 23, 2011
I'm joinging two tables event_types and tmp_acc tables.
event_types contains 2 Billion records
tmp_acc contains 20,000 records.
Resulting rows are about 300,000 records in event_types table end_t and account_obj_id0 are joined indexed
no indexs in tmp_acc.
When I run below query with nexted loop it takes 6 hrs to complete. But when I run with hash join even after 4 days it was still running. what is wrong with hash join here. Why it takes so long. I'm joining only 20000 rows. So I think there should be a way to get result rows quickly.
show parameters hash_area_size
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
hash_area_size integer 2097152
explain plan for
select --+ parallel(e,6)
[code]....
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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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Dec 5, 2012
I have a dynamic query stored in a function that returns a customized SQL statement depending on the environment it is running in. I would like to create a Materialized View that uses this dynamic query.
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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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Oct 29, 2013
MY requirment is: I want the first three nullable attributes. For Eg: If I have 60 columns in table, I need to fetch the first three null data in a row.
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Oct 26, 2011
running on 10.2.0.5 and above satisfies the following:
having locally managed tablespace with assm enabled
create table t1 (n1 number) storage (next 1M);
insert into t1 values (1); commit;
create table t2 storage (next 2M) as select * from t1;
This will indeed set the storage option next to 2M;
The same situation in 10.2.0.4 will allways set next option for the ctas statement to the initial value of table t1.
Is this an impact of patch set 4 (10.2.0.5)? Why does it differ from 10.2.0.4 to newer releases?
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Aug 14, 2012
As per the earlier post,I am able to parse now.
i have also another concern as per below xml file.
My requirement is to identify perticular node ,whose having PriorValue attribute present in <pi:the Actual_Comp_Change> tag,those record should return.
<?xml version="1.0" encoding="UTF-8"?>
<pi:Extract_Employees xmlns:pi="urn:com.workday/picof">
<pi:Employee>
<pi:Employee_ID>1100</pi:Employee_ID>
[Code]....
OUTPUT:
EmployeeID_ Name JobTitle_ Grade ActualComp_Change_
1100 Surana Intern - Master¿s A 500000
1000 roy Intern - Master¿s B 216000
1000 roy Intern - Master¿s 00 266000
But my requirement is to display only those employeeID ,where Actual_Comp_Change tag having PriorValue attribute.
The required OutPUT should be :
EmployeeID_ Name JobTitle_ Grade ActualComp_Change_
1100 Surana Intern - Master¿s A 500000
is there any possibility to use ExistNode() function to the above quer or is there any alternative solution.
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Jul 8, 2008
CREATE sequence customer_id start with (select max(customer_id) from customer) increment by 1
i am trying to do that, can it be done or should i just find the max id myself and replace that select with a no?
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Feb 2, 2011
I have a query like this:
*************************
SELECT vendor_id, summary_flag
FROM ap_suppliers
WHERE vendor_id = :param; --'4551'
The Results:
************
VENDOR_ID SUMMARY_FLAG
-----------------------
4551 N
Then I create the procedure:
*****************************
CREATE OR REPLACE PROCEDURE myproc4 (
p_vendor_id IN ap_suppliers.vendor_id,
p_summary_flag OUT ap_suppliers.summary_flag
)
AS
BEGIN
[code]....
Warning: compiled but with compilation errors.
I want to create a procedure that call vendor_id (parameter) and the output like the this:
VENDOR_ID SUMMARY_FLAG
-----------------------
4551 N
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Nov 10, 2010
Is it a possible to create table using clause below together with index ?
create table the_table
as
select col1, col2 from table2
I got procedure which create a table in the schema B. The procedure is called from schema A. But when I write into procedure query for create index
then I got a error:
ORA-01031: insufficient privileges when
...executing
Therefore I think about to create table together with index.
begin
B.proc.cre_table;
end;
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Sep 14, 2012
The requirement is to find the last date when either ATTRIB1 or ATTRIB2 were modified for each ID. There are many other columns in the table, but I'm not interested in other columns.
Test Case
SET LINES 100
SET PAGES 100
DROP TABLE test_log
/
CREATE TABLE test_log
[code]....
Expected Output
ID LAST_CHANGE_DATE
---------- --------------------
11 02-SEP-2012 10:58:32
35 05-AUG-2012 10:58:32
I have written the below query, to get the required output.
SELECT MAX(i_date) last_change_date
FROM
(
SELECT seq,id, attrib1, attrib2, i_date,
row_number() OVER (PARTITION BY attrib1 ORDER BY i_date) rn1,
row_number() OVER (PARTITION BY attrib2 ORDER BY i_date) rn2
[code]....
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Apr 4, 2013
I'm using the below data base version
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production.
I have created a pl sql type as object with five attributes as below.Now im trying to insert only 3 attributes with the attribute names ( As like insert into statement with column names).
Create type address_test as object (
Streetno varchar2(20),
Locality varchar2(20),
City varchar2(20),
Pin varchar2(7),
Country varchar2(20))
[code]....
Is that possible to use attribute names in the insert statement of column object type ?
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