Count number of columns in query passed as PLSQL parameter

Hi All,
I am using a PLSQL package to generate excel file in a Database directory, to generate file i am passing sql query and number of columns manually in a parameter.
Now i want to automate it and do not want to pass "Number of Columns" as parameter.
HOW CAN I CALCULATE NUMBER OF COLUMNS IN PASSED QUERY.
Note: query can contain functions ( to get description or any other data)
Many Thanks in advance

http://saubbane.blogspot.com/2011/01/how-to-find-column-count-of-query.html
Along with Re: Dynamic Fetch on dynamic Sql and just below this post, Blushadow's original run_query (from which I nicked!).

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How to count number of columns in cross-tab report

I have created a cross-tab report and have managed to get the data out as below:
             Jan     Feb     Mar....(display of months will auto expand) Avg/Mo Total
UserA     4          3        4                                                                         11
UserB     6          1        1                                                                          8
UserC     5          5        5                                                                         15
Total       15        9        10                                                                        33
I want to insert a calculated column (Avg/Mo) into the cross-tab report based on the formula: Total/Number of Months. I used this calculation formula for Avg.Mo column:
(GridValueAt(CurrentRowIndex, CurrentColumnIndex+1, CurrentSummaryIndex)/GetNumColumns)
However, I get the wrong average since GetNumColumns count the total number of columns including the column of Avg/Mo and Total.
How do i get the number of columns, excluding the Avg/Mo calculated column and Total column?
PS: I can't use hardcode since the number of months/columns will auto expand the months progress...
Edited by: jutamind on May 26, 2010 9:27 AM

ok managed to solve this by slightly changing the formula:
GridValueAt(CurrentRowIndex, CurrentColumnIndex+1, CurrentSummaryIndex)/(GetNumColumns-2)

SSIS: Count number of columns

Hi,
I am processing flat files and I want to make sure that my files will contain the number of columns I expect, because a user might some day input a file with a new column format. If the file does not contain the correct number of columns, process must stop.
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Dear Pauldube
I think Arthurz is right
(1) First
take one package level variable for storing length of Header row of each and every file
Eg.
Variable Name = FileRowLen
Variable Type = Integer
(2) Take one script task and Add FileRowLen
variable to readwritevariables then edit script
Add below code :
Dim FileRowStack as string()
FileRowStack = System.IO.File.ReadAllLines(FileSource)
‘–File source is string variable contain filepath that you want to import
Dts.variables(“FileRowLen”).value = FileRowStack(0).length
(3) Now open precedence constraint editor then
Eveluation operation : Expression
Expression : @FileRowLen =
-- Header length of file which would you like to process
Multiple constraints : Logical or….
Press OK
Connector will looks
like ----------------
Ramesh Rathod

DVWP XSLT count number of column having Yes/No values for each row

I have a Data View Web Part .Now I have a column that contains either 'Yes' or 'No'
and i want to count the number of 'Yes' for the rows and column .
below image will help to understand better what i am tying to achieve.

Here is XSLT code , you may find this usefull
Row View Template :
<xsl:template name="dvt_1.rowview">
      <xsl:param name="Rows"/>
      <xsl:variable name="CountYesForAll" select="number((. = contains(@Richard,'Yes')))
       +number((. = contains(@AndrewP,'Yes')))
       +number((. = contains(@Damien,'Yes')))
       +number((. = contains(@AndrewC,'Yes')))
       +number((. = contains(@Tiffany,'Yes')))
       +number((. = contains(@David,'Yes')))
       +number((. = contains(@Tony,'Yes')))
       +number((. = contains(@Saj,'Yes')))
       +number((. = contains(@Miguel,'Yes')))
       +number((. = contains(@Viv,'Yes')))
       +number((. = contains(@Paula,'Yes')))
       +number((. = contains(@Helen,'Yes')))
       +number((. = contains(@Matthew,'Yes')))"/>
      <xsl:variable name="RichardsCount" select="count($Rows[(@Richard)='Yes'])"></xsl:variable>
      <xsl:variable name="AndrewPsCount" select="count($Rows[(@AndrewP)='Yes'])"></xsl:variable>
      <xsl:variable name="DamiensCount" select="count($Rows[(@Damien)='Yes'])"></xsl:variable>
      <xsl:variable name="AndrewCsCount" select="count($Rows[(@AndrewC)='Yes'])"></xsl:variable>
      <xsl:variable name="TiffanysCount" select="count($Rows[(@Tiffany)='Yes'])"></xsl:variable>
      <xsl:variable name="DavidsCount" select="count($Rows[(@David)='Yes'])"></xsl:variable>
      <xsl:variable name="TonysCount" select="count($Rows[(@Tony)='Yes'])"></xsl:variable>
      <xsl:variable name="SajsCount" select="count($Rows[(@Saj)='Yes'])"></xsl:variable>
      <xsl:variable name="MiguelsCount" select="count($Rows[(@Miguel)='Yes'])"></xsl:variable>
      <xsl:variable name="VivsCount" select="count($Rows[(@Viv)='Yes'])"></xsl:variable>
      <xsl:variable name="PaulasCount" select="count($Rows[(@Paula)='Yes'])"></xsl:variable>
      <xsl:variable name="HelensCount" select="count($Rows[(@Helen)='Yes'])"></xsl:variable>
      <xsl:variable name="MatthewsCount" select="count($Rows[(@Matthew)='Yes'])"></xsl:variable>
  <tr>
   <xsl:if test="position() mod 2 = 1">
    <xsl:attribute name="class">ms-alternating</xsl:attribute>
   </xsl:if>
   <xsl:if test="$dvt_1_automode = '1'" ddwrt:cf_ignore="1">
    <td class="ms-vb" width="1%" nowrap="nowrap">
     <span ddwrt:amkeyfield="ID" ddwrt:amkeyvalue="ddwrt:EscapeDelims(string(@ID))" ddwrt:ammode="view"></span>
    </td>
   </xsl:if>
   <td class="ms-vb">
    <xsl:value-of select="@Title"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Richard) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Richard"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@AndrewP) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@AndrewP"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Damien) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Damien"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@AndrewC) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@AndrewC"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Tiffany) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Tiffany"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@David) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@David"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Tony) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Tony"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Saj) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Saj"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Miguel) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Miguel"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Viv) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Viv"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Paula) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Paula"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Helen) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Helen"/>
   </td>
   <td class="ms-vb">
    <xsl:attribute name="style">
     <xsl:if test="normalize-space(@Matthew) = 'NA'">background-color: #000000;</xsl:if>
    </xsl:attribute>
    <xsl:value-of select="@Matthew"/>
   </td>
   <td>
   <xsl:value-of select="$CountYesForAll"/>
   </td>
   <td>
    <xsl:if test="normalize-space(@Title) = 'Richard'">
     <xsl:value-of select="$CountYesForAll + $RichardsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Andrew P'">
     <xsl:value-of select="$CountYesForAll + $AndrewPsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Damien'">
     <xsl:value-of select="$CountYesForAll + $DamiensCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Andrew C'">
     <xsl:value-of select="$CountYesForAll + $AndrewCsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Tiffany'">
     <xsl:value-of select="$CountYesForAll + $TiffanysCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'David'">
     <xsl:value-of select="$CountYesForAll + $DavidsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Tony'">
     <xsl:value-of select="$CountYesForAll + $TonysCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Saj'">
     <xsl:value-of select="$CountYesForAll + $SajsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Miguel'">
     <xsl:value-of select="$CountYesForAll + $MiguelsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Viv'">
     <xsl:value-of select="$CountYesForAll + $VivsCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Paula'">
     <xsl:value-of select="$CountYesForAll + $PaulasCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Helen'">
     <xsl:value-of select="$CountYesForAll + $HelensCount"/>
    </xsl:if>
    <xsl:if test="normalize-space(@Title) = 'Matthew'">
     <xsl:value-of select="$CountYesForAll + $MatthewsCount"/>
    </xsl:if>
   </td>
  </tr>
</xsl:template>
Footer template to show sub total :
<xsl:template name="dvt_1.footer">
  <xsl:param name="Rows" />
  <div class="bupareport">
    <table border="0" width="100%" cellpadding="2" cellspacing="0">
   <tr>
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    <td width="6%"> <xsl:value-of select="count($Rows[(@Richard)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@AndrewP)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Damien)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@AndrewC)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Tiffany)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@David)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Tony)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Saj)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Miguel)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Viv)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Paula)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Helen)='Yes'])" /></td>
    <td width="6%"> <xsl:value-of select="count($Rows[(@Matthew)='Yes'])" /></td>
    <td width="6%"> </td>
    <td width="8%"> <xsl:value-of select="@AndrewP"> </xsl:value-of></td>
   </tr>
  </table>
  </div>
</xsl:template>

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best regards.

You are in the wrong forum, try the database forum.
Steven Davelaar,
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Hi
I want to find the number of columns in a table using a query.
Any help in this regard is much appreciated.
Cheers

Hi,
This is the output i get when i executed ur query
OWNER OBJECT_NAME OBJECT_TYPE
SMLDBO T2311_SURVEY_QUESTIONS TABLE
select OWNER,OBJECT_NAME,OBJECT_TYPE
from all_objects
where OBJECT_NAME = 'T2311_SURVEY_QUESTIONS';
works Fine.
But if i use the below query it returns : 0
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Message was edited by:
user625519

Give this a shot:
SELECT table_name,count(*) as "# of Columns"
FROM dba_tab_cols
WHERE table_name = <table name>
GROUP BY table_name
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HTH!

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Hi,
CrackerJack wrote:
Hi all,
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I took it onboard and redesigned the query to add the dates.
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<pre>
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,       'I_' || w_i           AS division
,       COUNT (w_i)           AS cnt
FROM        test_a
GROUP BY TRUNC (date_division)
,       TO_CHAR ( date_division
            , 'FMWW'
,       w_i
;

Count number of colums for that query.

Hi all,
I need to return the number of columns for that query, the columns are not known...dynamic columns.
i.e
1) Example 1
select column1, column2
from dual;
Result should return counter = 2
2) Example 2:
select column1, column2,column3,column4, column5
from dual;
Result should return counter = 5
from dual;
Result should return counter = 2
Thanks.

qwestion wrote:
I need to return the number of columns for that query, the columns are not known...dynamic columns.For this you'll need to use the DBMS_SQL package:
e.g.
SQL> ed
Wrote file afiedt.buf
1 CREATE OR REPLACE procedure query_col_count(p_sql IN VARCHAR2) IS
2    c NUMBER;
3    rec_tab DBMS_SQL.DESC_TAB;
4    col_cnt INTEGER;
5 BEGIN
6    c := DBMS_SQL.OPEN_CURSOR;
7    DBMS_SQL.PARSE(c, p_sql, DBMS_SQL.NATIVE);
8    DBMS_SQL.DESCRIBE_COLUMNS(c, col_cnt, rec_tab);
9    DBMS_SQL.CLOSE_CURSOR(c);
10    DBMS_OUTPUT.PUT_LINE('Number of columns: '||col_cnt);
11* END;
SQL> /
Procedure created.
SQL> exec query_col_count('select empno, ename from emp');
Number of columns: 2
PL/SQL procedure successfully completed.
SQL> exec query_col_count('select * from emp');
Number of columns: 8
PL/SQL procedure successfully completed.
SQL>

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SQL Query Format : Two columns
Query:
SELECT d.tablespace_name,round(((a.bytes - NVL(f.bytes,0))*100/a.maxbytes),2)
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2 FROM sys.dba_tablespaces d,(select tablespace_name, sum(bytes) bytes, sum(greatest(maxbytes,bytes)) maxbytes from sys.dba_data_files group by tablespace_name) a,(select tablespace_name, sum(bytes) bytes from sys.dba_free_space group by tablespace_name) f
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TABLESPACE_NAME USED_PCT
MGMT_TABLESPACE .82
SYSAUX 1.52
UNDOTBS1 .32
RMAN .02
CORRUPT_TS 10.63
USERS 0
SYSTEM 2.26
MGMT_ECM_DEPOT_TS .04
MGMT_AD4J_TS 0

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Hi All,
I have created my warehouse in MS SQL 2012.
For management purpose, I have created different schemas in SQL database
In RPD, Physical layer, when i view data > I get error as
[nQSError:16002] Cannot obtain number of columns for the query result.
[nQSError:16001] ODBC error state : S0002 code : 208 message: [Microsoft][ODBC SQL Server Driver][SQL Server] Invalid object name 'tbl'..
[nQSError:16001] ODBC error state : S0002 code : 208 message: [Microsoft][ODBC SQL Server Driver][SQL Server] Statements could not be prepared..
I have already browsed : OBIEE 11g Strange ODBC Driver Error with SQL Server : Total Business Intelligence ... did not help me
please help!!!

Hi All,
After all R&D it is been found that Oracle business administrator( RPD) needs default dbo schema. It doesn't accept custom schema for pulling data.
If anybody have other views please share.!!
Thank you

Count number of columns in query passed as PLSQL parameter

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