SQL & PL/SQL :: How To Pass Dynamic Columns In Functions
Aug 16, 2010
I am facing with one problem while creation of function.
CREATE OR REPLACE FUNCTION fun1(
v_finyear VARCHAR2,
v_yrno NUMBER,
[Code].....
The function created successfully...
But it return the wrong values, like
SQL> SELECT fun1('2004-05', 8, 'FEB')
2 FROM DUAL
3 ;
TB('2004-05',8,'FEB')
--------------------------------------------------------------------------------
FEB
SQL> spool off;
2004-05 is the value of TABLE1
08 is also value of TABLE1
FEB is the Column_name of TABLE1
Actually, i have a value in FEB month, but it return FEB. FEB is the column_name of 'TABLE1'
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Apr 26, 2013
I am developing android application connected to Oracle database using PHP, and I use PL/SQL statements with semantic technologies provided in Oracle(specifically, SEM_MATCH, SEM_MODELS, SEM_RULEBASES or something like this).
However, it doesn't work properly...the connection between android and Oracle works well, though. Also, the query statement is implemented well in the sql developer.The whole php code is shown below :
*<?php*
function db_connect()
*{*
*$db = "(DESCRIPTION=(ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 203.249.105.20)(PORT = 1521)))(CONNECT_DATA=(SID=orcl)))";*
[code]...
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Aug 10, 2010
'Can we pass a dynamic collection variable to the procedure that is called from dbms_job.submit'
I have a package my_package with:
1. record type: ocv_rec
2. collection type: varr_ocv_rec varray(100) of ocv_rec
3. record type: ext_id_rec
4. collection type: varr_ext_id_rec table of ext_id_rec index by pls_integer
5. procedure: analyze_error_152_ll
6. procedure: get_ext_ids_152(
v_db_ssa_dtl in varr_ocv_rec,
ext_id_type in varchar2,
ext_ids out varr_ext_id_rec)
Now here is where the issue resides:Within the definition of analyze_error_152_ll (in body of my_package), I call get_ext_ids_152 using dbms_job.submit
procedure analyze_error_152_ll
is
vJob varchar2(400);
vJobNum binary_integer;
v_db_ssa_dtl2 varr_ocv_rec := varr_ocv_rec();
ext_ids varr_ext_id_rec;
ext_id_type varchar2(5) := '(1)';
/*OTHER DECLARATONS*/
[code]......
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Apr 9, 2012
I have a table that has 10 columns which is used to store the customer information (e.g Gender, Age, Name). And i have wrote a store procedure to compare the before and after value of column since there has a parameter to control which column need/no need to be updated while the value being changed.
For example, master table "CUST" has column (NAME, GENDER, AGE). "CUST_TEMP" is a temporary table to store the input image which has the same table structure as "CUST".
DECLARE
bef_val CUST%ROWTYPE;
aft_val CUST_TEMP%ROWTYPE;
BEGIN
SELECT * INTO bef_val FROM CUST WHERE name = 'ABC';
SELECT * INTO aft_val FROM CUST_TEMP WHERE name = 'ABC';
[code]....
For the above case, i need to type 3 times of "sp_compare_val ( bef_val.xxx, aft_val.xxx )" on the program. And if the table has more than 10 columns, i need to type more than 10 times.Thus, is it possible to pass in a dynamic variable while calling the store procedure. let say, where the 'xxx' can be definable?
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Aug 13, 2013
Changing rows to columns without using pivot and aggregate functions?
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Feb 24, 2012
I am trying to perform a dml operation(insert) to insert data into a table. I created a procedure in which a insert statement is generated. In another procedure I am trying to execute this auto generated statement using execute immediate. For that I created 2 variables . First one contain the insert statement and other one contain the list of columns. I m passing these strings to execute immediate like this
Execute Immediate(v_query) using(v_col_list)
after execution i m getting the following error
ORA-01008: not all variables bound
ORA-06512": at ' db_name.load_data' , line no 217
but when i tried it with list of column into using clause it is working like
Execute Immediate(v_query) using col1,col2,col3
I have more than 150 tables in the schema and i am creating a single procedure to load the data into base tables by using external tables. By passing the table name to procedure it generates the update and insert statements but i am getting error while executing the statements with dynamic sql.
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Apr 26, 2010
I want to pass Number of columns dynamically to a query. I got success in SQL.
SQL> select &column_list from emp;
Enter value for column_list: empno,ename,sal
EMPNO ENAME SAL
---------- ---------- ----------
7369 SMITH 800
7499 ALLEN 1600
7521 WARD 1250
7566 JONES 2975
7654 MARTIN 1250
7698 BLAKE 2850
7782 CLARK 2450
7788 SCOTT 3000
7839 KING 5000
7844 TURNER 1500
7876 ADAMS 1100
7900 JAMES 950
7902 FORD 3000
7934 MILLER 1300
14 rows selected.
But the same i need to achieve in pl/sql. I try with the Ref cursor, but not succeeded.
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May 10, 2011
I had never done this before, basically I need to get the result of the SQL query which had three columns and pass into thesend _mail proc, should I build a variable to hold the 3 value and send mail from it?
below is my send_mail proc
Quote:
CREATE OR REPLACE PROCEDURE SEND_MAIL (
msg_to varchar2,
msg_subject varchar2,
msg_text varchar2 )
[code]...
and below is my sql query
Quote:
select a.id, b.hr_info, c.details
from contact a, employees b, grid c
where a.id=b.id
and b.hc=c.hc
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Aug 29, 2011
I have a scenario to frame an xml as below, below i have given a sample data
Create table xml_type
(msg varchar2(1000),
desp varchar2(1000),
val number) ;
[Code]....
Actually i need the output as below, i tried and succeeded doing it in Procedure , but they are asking me to do it in SQL query. How to get from an sql query.
<DETAIL>
<ERROR> 'Invalid Name ID' </ERROR>
<ID> 'Name ID' </ID>
<VALUE> 6 </VALUE>
<VALUE> 7 </VALUE>
<VALUE> 8 </VALUE>
</DETAIL>
[Code]...
Or i was planning to get the values as below with two columns and pass it to informatica to frame the XML.
Col1 Col2
Invalid Name Id Error
Name ID ID
6 Value
7 Value
8 Value
Invalid FAQ ID Error
FAQ Id ID
9 Value
10 Value
Let me know the best option and how to do this task.
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Mar 6, 2011
Is there any sql script to generate dynamic columns? pivot still needs the programmer to know the data to generate columns just like this.
select * from
(select current_position, fk_department, wages
from employee)
pivot
(sum(wages)
for fk_department in ('INT', 'WEL', 'CEN', 'POL'));
how about if i don't know the data in fk_department. is this possible in sql?
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Jul 15, 2013
I have a result table from a select query. Create_table.txt
FDAVAILABILITY_2GAVAILABILITY_3GTCH_TRAFFICHOSRCSSR
2013 Jun0.9870.992928359.09430.98360.975
2013 W270.99210.994328512.48650.98320.9756
2013 W280.99320.993728659.32560.98430.9734
2013 W290.99530.993328355.02630.98480.9741
I need to transpose this table to below one. But since my rows in 1 table is dynamic and it will increment each week and month I couldn't get a correct result from unpivot.
2013 Jun2013 W272013 W282013 W29
AVAILABILITY_2G0.99 0.99 0.99 1.00
AVAILABILITY_3G0.99 0.99 0.99 0.99
TCH_TRAFFIC28359.094328512.486528659.325628355.0263
HOSR 0.9836 0.9832 0.9843 0.9848
CSSR 0.975 0.9756 0.9734 0.9741
Is it possible to create above table from attached , with a select statement?
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Aug 18, 2011
i am practicing to get Dynamic columns as i have learnt from Orafaq SQL/PLSQL forum .i am using Default EMP table...first one is running smoothly as below:
1 DECLARE
2 v_sql VARCHAR2(32767);
3 v_refcur SYS_REFCURSOR;
4 BEGIN
5 v_sql := 'SELECT deptno ';
[code]....
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Nov 18, 2012
I have a requirement to execute the query only once for all the columns mapped to a particular table. Lets take an example..
table t1 has the following columns mapping.
col1 col2 col3 col4
variable 1 table abc col1_abc ----
variable 2 table abc col2_abc ----
variable 3 table xyz col1_xyz ----
variable 4 table xyz col2_xyz ----
variable 5 table xyz col3_xyz ----
variable 6 table xyz col4_xyz ----
In col4 , we have to update the values of col3 (column) ... it is very easy to update the values by executing the query for each column but my requirement is ... I want to execute the query once for a table ( example select col1_abc,col2_abc from table_abc ... this will return always a single value after adding other conditions in where clause) and why I want to do this? .. because there can be multiple (might be 30 variables values)
from a single table.
I have converted the columns into rows by using listagg function now I have lets a dynamic query ( for the above example).
for i in 1.2
loop
l_query := ' select col1_abc, col2_abc from table_abc';
open c1 for l_query;
end loop;
my problem is : how to hold these values and update the above table?
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May 7, 2013
Provided a sample table to determine the sales agents performance below.
Id AgenName Zone1 Zone2 Zone3 Zone4
1 ABC 90 85 65 55
2 SDD 45 67 78 90
3 ERF 85 30 52 45
If in any zone, the sales is less than 40, it should be failed.This can be determined using the below query
select Id, AgenName, Case when Zone1 < 40 or Zone2 < 40 or Zone3 < 40 or Zone4 < 40 Then 'Failed'
Else 'Eligible'
End as Flg_Comm
from sales_table;
But the problem is when the zone grows (zone5, zone6) every time the query requires to be added with or condition.
Is there a way to dynamically determine the result even when no. of columns grow (or added)?
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Nov 16, 2012
I want the output from two tables with rows to columns and generate dynamic basing on the columns.
For example: Table A (a1) , Table B(a1,b1)
Data: A B
------ ----
a1 a1 b1
--- ---- ----
1 1 x
2 1 y
3 2 a
2 b
2 c
o/p: Columnname col_1 col_2 col_3
-----------------------------------------------
a1 b1_1 b1_2 b1_3
----- ---------------------
1 x y
2 a b c
Columns should be generated based on the second table second column.
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Jun 6, 2012
I need to write a dynamic SQL in PL SQL to query an unknown number of columns. Let me take a simple example query here:
SELECT FIRST_NAME, LAST_NAME FROM VENDOR_CONTACTS
If I have known the number of columns, e.g. querying two columns: "FIRST_NAME" and "LAST_NAME", I can write a DYNAMIC SQL based on the template in table 8-2 of URL....
DECLARE
stmt_str varchar2(200);
cur_hdl int;
rows_processed int;
FIRST_NAME varchar2(200);
LAST_NAME varchar2(200);
BEGIN
cur_hdl := dbms_sql.open_cursor; -- open cursor
stmt_str := 'SELECT FIRST_NAME, LAST_NAME FROM VENDOR_CONTACTS';
[code]....
However, if I wish to write a dynamical sql to query these two columns for a more general purpose (which should meet the requirement to query different number of columns, e.g. three columns, FIRST_NAME, LAST_NAME, BIRTHDAY instead of two columns FIRST_NAME and LAST_NAME). To do this I first try to query the same two columns but using a different method, following URL.....My code for the same query has error, and I cannot solve it.
DECLARE
stmt_str varchar2(200);
cur_hdl int;
rows_processed int;
l_columns dbms_sql.desc_tab;
l_dummy NUMBER;
l_value NUMBER;
[code]....
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Aug 27, 2013
I have 2 tables T1, T2
T1 is having 2 columns t1_c1, t1_c2
T2 is having 3 columns t2_c1,t2_c2,t2_c3
I need to design a form which should be like
there must be a pop item (Dropdown menu) in a separate block.
If I select 1 from the pop item,
T1 with 2 columns should display in a tabular form.
If I select 2 from the pop item,
T2 with 3 columns should display and T1 with 2 columns should hide.
So the form should be dynamic based on the selected pop item. Is there any chance to do this?
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Apr 8, 2013
I'm using dynamic sql (DBMS_SQL) to define columns of ref cursor. It works Ok but the problem is when i'm using PL/SQL CURSOR in the REF CURSOR. Then,I'm getting :
Error at line 3
ORA-00932: inconsistent datatypes: expected NUMBER got CURSER
ORA-06512: at "SYS.DBMS_SQL", line 1830
ORA-06512: at "TW.PRINT_REF_CURSOR", line 28
ORA-06512: at line 9
Here is my code:
set serveroutput on
exec DBMS_OUTPUT.ENABLE(1000000);
declare
l_cursor sys_refcursor;
begin
[code]....
Is there a solution or bypass?
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Jun 16, 2010
I want to create a report by using one field and one text as columns name in layout but display the all the columns. I mention the 5 column names in query.how can I write function in summary column.
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Apr 4, 2011
I am running a fairly busy Oracle 10gR2 DB, one of the tables has about 120 columns and this table receives on average 1500 insertions per second. The table is partitioned and the partitioning is based on the most important of the two timestamp columns. There are two timestamps, they hold different times.
Out of these 120 columns, about 15 need to be indexed. Out of the 15 two of them are timestamp, at least one of these two timestamp columns is always in the where clause the queries.
Now the challenge is, the queries we run can have any combination of the 13 other columns + one timestamp. In reality the queries never have more than 7 or 8 columns in the where clause but even if we had only 4 columns in the where clause we would still have the same problem.
So if I create one concatenated index for all these columns it will not be very efficient because after the 4th or 5th column the sorting would no longer be very useful and I believe the optimiser would simply not use the rest of the index. So queries that use the leading columns of the index in sequence work well, but if I need to query the 10th column the I have performance issues.
Now, if I create multiple single column indexes oracle will have to work a lot harder to maintain all these indexes and it will create performance issues (I have tried that). Besides, if I have multiple single column indexes the optimiser will do nested loops twice or three times and will hit only the first few columns of the where clause so I think it will kind of be the same as the long concatenated index.
What I am trying to do is exactly what the Bitmap index would do, it would be very good if I could use the AND condition that a Bitmap index uses. This way I could have N number of single column indexes which the optimiser could pick from and serve the query with exactly the ones it needs. But unfortunately using the Bitmap index here is not an option given the large amount of inserts that I get on this table.
I have been looking for alternatives, I have considered creating multiple shorter concatenated indexes but this still would not address the issue since many queries would still not be served properly and therefore would take a very long time to complete.
What I had in mind would be some sort of multidimensional index, I am not even sure if such thing exists. But essentially it would be some sort of index that could serve a query efficiently regardless of the fact that the where clause has the 1st, 3rd and last columns of the index.
So considering how widely used Oracle is and how many super large databases there are out there, this problem must be common.
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Jan 21, 2011
I have a two question.
Question 1:How to select all columns from table except those columns which i type in query
Question 2:How to select all columns from table where all columns are not null without type each column name which is in empty data
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Jun 23, 2011
I have a table that looks like this...
APPOINTMENT
APPOINTMENT PATIENT DENTIST PROCEDURE AMOUNT
NUMBER NUMBER ID NUMBER DATE BILLED PAYMENT
20000001 3001 27 33100 11-Feb-2000 405.00 405.00
20000005 3988 23 11201 05-Mar-2000 80.00 0.00
[code]...
and i used this to find which dentist had the least appointment
select min(count(dentist_ID)) as "Minimum Number of Appointments" from appointment group by dentist_ID;
and this shows..
Minimum Number of Appointments
------------------------------
2
if there's a way where I can show the dentist's ID that corresponds to this "min number of appointment" i tried doing
select dentist_ID, min(count(dentist_ID)) as "Minimum Number of Appointments" from appointment group by dentist_ID;
but it gives me this error
ERROR at line 1:
ORA-00937: not a single-group group function
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May 13, 2010
I would like to use character functions (LPAD, INSTR, SUBSTR, etc) to accomplish what i feel should be rather easy. I would like to take the following character strings:
'ADAM ST #3 S_109640'
'ALBANY AVE #5 & #6 S_AL5&6'
'ALBIN RD #10A S_123318'
And make them
'ADAM ST'
'ALBANY AVE'
'ALBIN RD'
As you can see, it probably boils down to using SUBSTR, INSTR, RTRIM, and LENGTH??
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Jul 25, 2006
analytic functions regarding the ORDER BY part =)
SQL> ed
Wrote file afiedt.buf
1 select *
2 from (select deptno, ename, sal
3 ,dense_rank() over (partition by deptno order by sal desc) rank
4 from emp)
[code]...
why is that i just added ename on the ORDER BY part of the DENSE_RANK and then
SQL> ed
Wrote file afiedt.buf
1 select *
2 from (select deptno, ename, sal
3 ,dense_rank() over (partition by deptno order by sal desc, ename) ran
[code]...
ADAMS and WARD we're removed from the result, why is it? did it rank it as UNIQUE per sal and ename?
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Dec 3, 2012
Trying to understand how Oracle DATE works and how it differs to TO_DATE in the below manner...
SELECT DATE '2012-10-25' FROM DUAL;
SELECT TO_DATE('2012-10-25','YYYY-MM-DD') FROM DUAL;
I've had a look through the Oracle Docs but can't find much on this. Basically I want to know how safe the first option is and if it does the same as the second. Also, where does DATE get the Format String from (NLS setting?). Can it be employed to compare a literal with a date that has a TIME portion set to something other than 12:00:00?
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Jul 2, 2010
count the no: of emp working under each manager? and instead of manager number display the manager name
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Mar 27, 2012
Again i getting confused with conversion function especially Explicit data type conversions. some cases oracle server automatically converts the data to the required type. This is called IMPLICIT CONVERSION. Explicit conversions are done by using the conversion functions.
Oracle Explicit Data Type Conversions are
1 TO_CHAR
2 TO_DATE
3 TO_NUMBER
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Feb 24, 2013
I have a table:
create table employee_function
(
id_emloyee number,
id_function number
);
with clients and their functions.
I want to extract all employes who has 2 functions (ex:id_function = 1 and id_function=2)
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Nov 12, 2011
How can I rewrite this without the analytic functions?
SELECT employee_ID, first_name, salary,
RANK() OVER(ORDER BY salary desc) toprank_desc,
RANK() OVER(ORDER BY salary ASC) toprank_asc
FROM employees
ORDER BY first_name
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Aug 31, 2012
we need to use recursion functions in pl/sql?? How can we use them in efficient way?? Also focus on mutual recursion in real world scenario.
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