SQL & PL/SQL :: Function Returns Searched String?
Nov 6, 2010
I just think about write a function with gives me a searched string from table.
select col1, col2 from the_table
col1 col2
--------------------------
SMS yes
Melodies no
Java build
...
And I would like to make a function or something like that where input parameter is from col1 and result is col2. For instance:
select the_function('SMS') from dual;
Result: yes
how to write it?
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Nov 25, 2011
I have an existing database with several hundred tables and triggers on the tables in the schema S1. Most of the triggers are for storing audit information USER and SYSDATE in the respective columns.
We have built procedures what will accept incoming XML parameters from a BPMS application on the intranet which will have information about which table to update, which columns to update, what values to update and what the O/S user id is. The O/S user ids are mapped to oracle user ids in a specific table. Therefore when we receive the request we can easily figure out the oracle user id. The application always connects to the database using a specified user id S2.
The trouble is, the existing tables have triggers which read :NEW.userid := USER;and whenever a DML is fired from the procedure, the function USER always returns S2, since that is the user id the BPMS application connects to and therefore the audit columns do not capture the correct information as required.
The impact of changing all the existing triggers/procedures will be a mammoth task including regression testing and will certainly not be approved by the project sponsor.
override the value that USER returns? Using session contexts, etc? If so, we can possibly set it at the point of connect and have to do nothing else.
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Oct 16, 2013
I am interested if there maybe exists any function that would return all source tables that are present in the given sql. For example function('select 'abc' from table_1, table2') would return a list containing 'table_1' and 'table_2'.
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Aug 3, 2012
I have an requirement to create an function which takes table or hierarchy of tables as input and returns xml output in hierarchy. Below given is the Tables hierarchy.
AAAA
----AAA
----BBB
----CCC
-------CC1
-------CC2
-------CC3
[code]....
Requirement: Initially input was table name and using table as the root node output should generate xml of all the records of child tables.But now requirement is to give the flexibility to user to select what hierarchy he needs i.e he may select AAAA, CCC and in the nodes C1,C2,C3 and C4 if he doesn't want C3 then that node should not be shown in output.
I have created Hierarchy table having 3 columns SI.No, ParentNode and ChildNode and entered the above hierarchy relation.
1. What is the best to way (design)to pass input parameter for the function.
2. How to generate hierarchy in xml using DBMS_XMLGEN
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Nov 30, 2012
The SAMPLE clause in the select statement works well in most cases, but we found in some instances the result is way off - between 200% to 700% discrepancy has been observed.
For example, we have thee tables with the following results:
Table1: 495,365,317 rows (20 cols, unique primary key present), SAMPLE ( 0.002018712182064212 ) returns 41,499 (about four times off - we expected about 10,000)
Table2: 3,350,864,539 rows ( 5 cols, unique primary key present), SAMPLE ( 0.00029843044634040336 ) returns 9,835 (this is good as it is close to 10,000)
Table3: 6,974,724,543 rows ( 5 cols, no unique primary key present), SAMPLE ( 0.00014337483779250091 ) returns 58,789 (about six times off - we expected about 10,000)
The tables got billions of rows, and that is why we want to do sampling. The sample percentage rate is computed to return about 10,000 rows in all three tables.On Table3, we ran the sampling three times in one occasion, and we got "58,570", "24,575" and "24,561"
I expected +/- 20% of variance, but 200% to 700% seems to be way too much.Once again, I stress that it does work well in most cases (another 3.4 billion table and numerous smaller tables we tested were well within +/- 5 percent of the target).I noted the presence of a primary key above because I read an article saying that the SAMPLE function relies on the existence of a primary key (which does not quite explain the examples above).Is this kind of spread something we should expect or is it a bug? Is the sampling rate too small for such large tables?
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Jul 6, 2012
oracle version 11gr2.In the below sample data column a,b if there is Two (2) consecutive numbers are transposed in column B from A it should return string 'true'.
with t as
(
select '123456789' a ,'123476581' b from dual
union all
select '123456789' ,'123465789' from dual
union all
select '332211' ,'332121' from dual
union all
[code]....
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Jul 13, 2012
On a Oracle 11g R2 I've a table function ( PIPELINED ) returning rows selected from a table.The first time the function is selected, in a session ( I've tried to disconnect and log in again ), it returns no rows.I've tried to log the call using DBMS_OUTPUT and from what I see the select on the table function returns no rows and no output is printed. So I presume Oracle is not calling the function.
The same function on a similar environment ( same db versions, patches and database structure ) works fine. The second environment is a production environment so it has more memory and some other settings enabled.
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Jul 26, 2011
CREATE OR REPLACE TYPE TEST_OBJ_TYPE IS OBJECT
(
TEST_ID NUMBER(9),
TEST_DESC VARCHAR(30)
)
/
CREATE OR REPLACE TYPE TEST_TABTYPE AS TABLE OF TEST_OBJ_TYPE
/
[code]....
I need to include the above function in a plsql package. How I can declare a object type and table type in a pks file? the syntax to include the above code in a .pks and .pkb file?
I got this code snippet online when I was looking for function that returns a table type. what exactly that Exception block does? delete the table when there is an exception, otherwise return the table type?
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Apr 24, 2012
I want to debug a function which returns the table of records. When I try to add the parameters and run the debug it gives the error as
PLS-00653: aggregate/table functions are not allowed in PL/SQL scope
if there is any way to debug the function which returns table of records.
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Mar 14, 2013
Is there an oracle function that returns the current fiscal year in format (2012/2013)?
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Aug 30, 2012
How to update a form fields which taking a searched value from another table .
I have a form that records student data and which has a drop down to select the 'student registration No' that comes from different table.
When insert or update a student record, first we select the student registration No from drop down to see if he is an existing student.
If he is already registered student then relevant student name and other details should be shown in the form and should be able to enter few other details as well.
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Jan 17, 2013
I would like a pl/sql function that returns the check digit of a 9-digit number?
Look at
[UR]......
For example number 109409714 (9 digits) should do check digit. I want validation of check digit, & want to return the check digit.
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Oct 18, 2004
I have a string like 10.01.03.04.234 or 234.05.07.032.� Is there a simple function in Oracle that would give me
10
01
03
04
234 as seperate values in a select clause.
I would like to do a
Select function(10.01.03.04.234)
into var1, var2, var3, var4, var5
from ....
I can accomplish the same with substr/length/instrs in a procedure...but looking for a simple function, if any, instead of writing a proc/function....
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Jul 29, 2010
i m create one function in which i have to concatenate result likeDate is 19/07/2010'. i tried to concatenate in select statement. in this case function is created successfully but it gives error when it run.
CREATE or replace function TEST(FINYEAR VARCHAR2)
RETURN VARCHAR2 AS
QRY_STRING VARCHAR2(1000);
BALANCE VARCHAR2(100);
[code]...
ERROR at line 1:
ORA-00923: FROM keyword not found where expected
ORA-06512: at "TEST", line 11
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Jan 9, 2007
Years ago, someone created a database in Oracle that was carried over and now sits in Oracle 10g. I am developing an application that queries this database and returns the result as XML.
Many (thousands) of rows have an item description that contains an ampersand. I want each of these pieces of data to have it written as & amp; (had to add a space so it would show up here, but you know what I mean) instead of &, but I don't feel like doing thousands of UPDATEs to change this.
Does Oracle have any global find/replace functions that I can call? I'd rather do one update statement that replaces all occurances of & with & amp; but I can't seem to find a function that will do this.
I'm thinking something that would work like:
UPDATE table SET column1=REPLACE(column1,oldstr,newstr);
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Aug 6, 2010
I have a package includes 22 functions, each function just returns a sql template (clob type).
I also have a stored procedure called query_builder, query_builder has applicationName and statementName as parameters. I need to call these functions in the package based on the given applicationname and statementname.
CREATE OR REPLACE PROCEDURE Query_builder (ApplicationName varchar2, StatementName varchar2) IS
SQLSkeleton varchar2;
BEGIN
PackageName := ApplicationName||'_SKELETON;
SQLSkeleton := PackageName.StatementName; -- I know this will not work, but how can i call these function dynamically?
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Oct 2, 2013
I'm trying to find a simple way of getting around this. I have a PL/SQL procedure which loops through a list of values in a table. These values are the actual names of the functions I want it to run in sequence. The problem is I can get the string value each time but I need to store the return value of each function into a number variable e.g.
BEGIN
open all_tests;
fetch all_tests BULK COLLECT INTO test_tabl;
close all_tests;
for myindex IN 1..test_tabl.count LOOP
time_taken := test_source1 ==> this will work but how do I avoid hardcoding the name of the function to be executed and use the test_name value instead?? time_taken is declared as a number (ie the return value of each function is a number)
test_detail := test_tabl(myindex).test_name; ==> test_detail now contains the string name of the function
dbms_output.put_line('Test detail is ' || test_detail);
end loop;
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Dec 18, 2012
I have created a VIEW with a column containing user-defined aggregated values(stores the output in varchar2 data type). Some of the records exceed the maximum limit, for example varchar2(4000). I was suggested a PL/SQL function to check the length and build a string if necessary..
CREATE OR REPLACE
FUNCTION SUBURL(col1 IN VARCHAR2, col2 IN varchar2)
RETURN varchar2
[Code].....
Here, I got the following error,
Error(4,25): PLS-00103: Encountered the symbol "," when expecting one of the following:
:= . ( @ % ; not null range default character
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Aug 6, 2010
I have created a function that is used for splitting a comma separated string & give the output in tabular form.here is the function
Here I have used CLOB as my input string will be huge(greater than max limit of varchar2)
CREATE OR REPLACE TYPE SPLIT_TBL_CLOB AS TABLE OF CLOB;
CREATE OR REPLACE FUNCTION CSVTOSTRING_CLOB
(
P_LIST CLOB,
P_DEL VARCHAR2 := ','
) RETURN SPLIT_TBL_CLOB PIPELINED
[code]....
But here I am facing 2 problems.
1. The function is not accepting a large string & I am getting the error
ORA-01704: string literal too long
2. The function is going for an infinite loop.
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Oct 12, 2011
I'm trying to extract the domain from email addresses like from clay500@msn.com I want to pull msn
I figured I would use the POSITION function, but it fails, even when I cut and pasted the example from the syntax guide
SELECT POSITION ('CAT' IN 'CATCH') FROM DUAL;
the guide says you get the answer 1
but I get ORA-00907: missing right parenthesis
What gives?
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Feb 7, 2013
I am on 11g.
I need to remove the alpha characters from a string, leaving only numbers, but I am getting unexpected results:
SQL> SELECT TRANSLATE('3N', 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', NULL) a FROM DUAL;
A
-
I thought this would leave the 3 from the 3N, but it is returning an empty string. For my application, the string '3N' could be any length, will only contain letters and numbers, and the letters will always come at the end, but there could be more than one letter
VALID INPUT samples:
4
25
11F
361NG
8ABC
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Aug 4, 2010
SQL> select greatest ( 1000,null) from dual;
GREATEST(1000,NULL)
-------------------
SQL> with t as
2 ( select 1 a from dual union all
3 select null from dual)
4 select max(a) from t;
MAX(A)
----------
1
Why greatest returns null ( as the greatest value among the list of values) as the greatest value while max returns 1 in the above case?
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Jun 19, 2012
I have this error (and solution):
ORA-02085: database link string connects to string
Cause: a database link connected to a database with a different name. The connection is rejected.
Action: create a database link with the same name as the database it connects to, or set global_names=false.
Where should I set global_names=false ?
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Mar 14, 2013
I'm facing some problem even after using INSTR function in Oracle.The problem is I have written the logic in the PL/SQL block which appends all the values fetched in a loop on the basis of whether the string is present or not.
For ex:
The first value fetched from the select query first is ABCDEFG which gets appended to a variable
The next value fetched is AB even this has to be appended to the variable since this exactly doesn't match with ABCDEFG.
The next value fetched is BCDEF even this has to be appended to the variable since this exactly doesn't match with ABCDEFG.
The third Value fetched is ABCDEFG this will not get appended presently according to the logic which is correct.
writing that piece of code to append the value fetched which doesn't exactly match with the existing string
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May 9, 2008
show an ex to use string buffer for select statemnt
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Oct 26, 2010
I have to update a table by getting values from two other tables. While doing that the inner query returns more than one value. I am not sure how to implement the logic without returning more than one row in sub query.
My query:
update buf_office_str o
set o.manager_ident =
(select sp.ident
from se2_r_src_sourceperson sp ,
(select distinct director_name, team_name from buf_sales_dump )t
where SP.SRCNAME = upper(substr(t.director_name,instr(t.director_name,' ')+1,length(t.director_name))||', '||substr(t.director_name,1,instr(t.director_name,' ')-1 ) )
and o.office_descr = t.team_name
)
Basically the query gets the manager id from sp table where sp.srcname = t.team-name.
The office_descr should be equal to the team_name.
This is the logic I am working towards:
For each office, i get the office_descr and get corresponding team_name. Match the team's director_name (from table t) with the sp.name and return the employee's id (sp.ident) for that office_descr. I need to update all 50 offices with corresponding managerid for that office in buf_office_str table.
Is it possible to get done in one update? Or, does this need a plsql proc to do this logic.
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Dec 6, 2012
I am returning the ORA-01427 after running the query below. why I am returning the error and how to address it.
select b.value , b.name, p.value ......
(case when p.value <> 'G2' then null else (select c.oldvalue from ad_changelog c
where c.record_id = b.c_bpartner_id and c.ad_table_id = 291
and c.ad_column_id = 4216 ) end) as oldtradeName
from c_bpartner b, zz_receipt r, zz_recp_alloc a, m_product p, ad_user us
where a.c_bpartner_id = b.c_bpartner_id
and a.zz_receipt_id = r.zz_receipt_id
and us.ad_user_id = r.createdby
and p.m_product_id = a.m_product_id
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Dec 7, 2009
Just trying to update a table in which the sales amount is inserted when the sales amount is null.
I have
UPDATE ph2_customer_temp
SET sales_amount = (
SELECT sl.sales_amount
FROM PH2_CUSTOMER_TEMP pct
join
sales_limit sl
on substr(pct.site_code,1,2) = sl.state
where pct.credit_limit is null )
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Jan 10, 2012
I can't seem to wrap my head around this problem I'm having with a query. I need to update all rows in my ps_ntsr_gf_stufile tables with the concatenated values from the ps_classes_tbl table where a.CLASS_NBR = b.CLASS_NBR. I tried to limit it to emplid from the ps_stdnt_enrl table but no luck.
UPDATE ps_ntsr_gf_stufile a
SET a.CLASS_NAME = (SELECT CONCAT('SUBJECT', 'CATALOG_NBR')
FROM PS_CLASS_TBL b
WHERE a.CLASS_NBR = b.CLASS_NBR
AND a.STRM = '1118'
AND a.INSTITUTION = 'NT752')
WHERE a.EMPLID IN (SELECT distinct EMPLID FROM PS_STDNT_ENRL);
I'm still getting the ORA-01427 error.
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Mar 20, 2012
/* (SELECT A.TOTAL_ALLOCATED_AMT FROM CLS_ALLOCATION_HDR@LAMS_PROD A WHERE A.APPROVAL_DATE BETWEEN BCTH.TRAN_FROM_DATE AND BCTH.TRAN_TO_DATE
AND A.CUSTOMER_ID=BCTH.CUSTOMER_ID AND ALLOCATION_ID IN (SELECT ALLOCATION_ID FROM CLS_ALLOCATION_DTL@LAMS_PROD B WHERE ENTITY_TYPE='REC' AND
B.ALLOCATION_ID=A.ALLOCATION_ID AND ENTITY_ID IN (SELECT RECEIPT_NO FROM CLS_RECEIPT_DTL@LAMS_PROD C WHERE B.ENTITY_ID=C.RECEIPT_NO AND
RECEIPT_STATUS='A'))AND ALLOCATION_STATUS='A')*/
when i am trying to run this query i am getting an error'single row subquery returns more than one row'.
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