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Oracle SQL report generation without null


By : user2176173
Date : October 14 2020, 02:22 PM
I hope this helps you . My query: , One option is to use the NVL function, e.g.
code :
nvl(a.name, '*') as albumname
decode(a.name, null, '*', a.name) as albumname
case when a.name is null then '*'
     else a.name
end as albumname


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Oracle XMLType generation with null values from trigger to advanced queue


By : Ben Ulfers
Date : March 29 2020, 07:55 AM
hope this fix your issue Good Afternoon. , to generate a simple row in XML you can use xmlelement:
code :
SQL> CREATE TABLE emp AS SELECT * FROM scott.emp;

Table created

SQL> CREATE TABLE message (xml XMLTYPE);

Table created

SQL> CREATE OR REPLACE TRIGGER trg_b4_emp
  2     BEFORE UPDATE ON emp
  3     FOR EACH ROW
  4  BEGIN
  5     INSERT INTO message VALUES (
  6       xmlelement("MESSAGE",
  7           xmlelement("EMP",
  8              xmlelement("empno", :new.empno),
  9              xmlelement("comm", :new.comm)
 10           )
 11        )
 12     );
 13  END;
 14  /

SQL> update emp set comm=NULL;

14 rows updated

SQL> select * from message where rownum = 1;

XML
----------------------------------------------------------------
<MESSAGE><EMP><empno>7369</empno><comm></comm></EMP></MESSAGE>

Customized query for desired Report generation in Oracle


By : baconsmurf
Date : March 29 2020, 07:55 AM
I wish this help you You should give tags carefully and as per your question. You have given mysql as well as oracle 11g and oracle10g also.
okay .. this query is very simple in oracle and following query is tested in Oracle database.
code :
SELECT CASE
         WHEN Rn_Cnt = 1 THEN
          Columna
         ELSE
          NULL
       END Columna,
       CASE
         WHEN Rn_Cnt = 1 THEN
          Columnb
         ELSE
          NULL
       END Columnb,
       Columnc
  FROM (SELECT Row_Number() Over(PARTITION BY Columna, Columnb ORDER BY Columnc) Rn_Cnt,
               Columna,
               Columnb,
               Columnc
          FROM Table_Name)

Hide Column with NULL Value on Report (Oracle Spool)


By : Fernando Marquardt
Date : March 29 2020, 07:55 AM
like below fixes the issue I have data like this : , You can use SET NULL command to fix this.
code :
SQL> set null (null)
SQL> select * from dob;

NAME             BIRTHDAY  TELEPHONE  REMARKS
-------------------- --------- ---------- ----------
john             11-APR-16 984563732  no rem
john             11-APR-16 984563732  (null)

SQL> set null ""
SQL> select * from dob;

NAME             BIRTHDAY  TELEPHONE  REMARKS
-------------------- --------- ---------- ----------
john             11-APR-16 984563732  no rem
john             11-APR-16 984563732

Qt: Automatic generation of power point report or editable pdf report


By : job530
Date : March 29 2020, 07:55 AM
Any of those help you can create a PDF directly with Qt using QPrinter class http://doc.qt.io/qt-5/qprinter.html
indicating the output format with
code :
setOutputFormat(QPrinter::PdfFormat)

Network error triggering the download report(report generation) action in server.R twice


By : user6945151
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have found answers to above questions and I have already answered it here.
Though I would like to quickly answer questions in above explained context.
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