Using Column Name in a Second Table

I have two tables in a sheet, Data and Report. Data contains a column named Hours. How can I write a sum function in the Report table that sums the values in the Hours column in Data? I'd like to use a named reference instead of a row/column letter/number range for when the Hours column gets longer.

David Benman1 wrote:
Thanks. I tried what you said, but initially it didn't work. I realized I needed to make the top row a header row, but that leads to a new question. All my columns now can be reference by name except the first column. Is there anything special I need to do to the first column? If the first column is "Hours", then when I type in "Hours" in my formula, the spreadsheet doesn't recognize it as a column name.
Yes, you must read the User Guide which explains :
Yvan KOENIG (VALLAURIS, France) 2 septembre 2010 12:06:03

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How to display Column Names of a Database Table in JSP

Dear All,
I want to display all the attribute names(column names) of a database table on JSP.
[ ex: mytable contains : ( EmpId,EmpName,Dept ). This should be display as EmpId--text box
EmpName--text box
Dept----textbox
please note , i don't want to display values,but only column names

Yeah make use of methods like
ResultSet DatabaseMetaData.getColumns(String catalog, String schemaPattern, String tableName, String columnNamePattern)
else use
String ResultMetaData.getColumnName(int column_index)
search google i'm sure u wud get thousands of example on it... :)

Getting Column names (header) of a table dynamically

Dear Experts,
Greetings.
I have a requirement in which I need to get the column name (header) of a table when the user clicks on a column.
Kindly suggest me the possible ways.
Thanks in advance.
Regards
Sathya

Hi,
use one of the following based on your requirement
Bind the header text to a context attribute and access this attribute from code when clicked on the column.
Or use parameter mapping.
Regards
Ayyapparaj

Can we use Column Names in Parameter Cursor

Hi
can we use Column Names in Parameter Cursor??
DECLARE
CURSOR Emp_Cur (P_Deptno NUMBER)
IS
SELECT Empno, Ename
FROM Emp
WHERE Deptno = P_Deptno;
BEGIN
FOR Emp IN Emp_Cur(10)
LOOP
DBMS_OUTPUT.PUT_LINE('The Employee Number is: '||emp.Empno);
DBMS_OUTPUT.PUT_LINE('The Employee Name is: '||emp.Ename);
END LOOP;
FOR Emp IN Emp_Cur(20)
LOOP
DBMS_OUTPUT.PUT_LINE('The Employee Number is: '||emp.Empno);
DBMS_OUTPUT.PUT_LINE('The Employee Name is: '||emp.Ename);
END LOOP;
END;
In the above Program, I send Deptnumber. If i send Column names like Empno, Ename. What can i do??
If Declare Samething Through Parameter Cursor, it doesn't accept VARCHAR2(Size)

For parameters you don't use size, just the type (DATE, NUMBER, VARCHAR2, CLOB, ...)
DECLARE
CURSOR Emp_Cur (P_Ename VARCHAR2)
IS
    SELECT Empno, Ename
    FROM Emp
    WHERE Ename = P_Ename;
BEGIN
FOR Emp IN Emp_Cur('SCOTT')
LOOP
    DBMS_OUTPUT.PUT_LINE('The Employee Number is: '||emp.Empno);
    DBMS_OUTPUT.PUT_LINE('The Employee Name is: '||emp.Ename);
END LOOP;
END;

Getting column names for a particular Table from Connection object.

Hi,
Can any one suggests me a way to get column names from a particular table of a database from the java.sql.Connection object. ?
Thanks in advance.

Connection connection;
DatabaseMetaData metadata = connection.getMetaData();
String[] names = {"TABLE"};
ResultSet tables = metadata.getTables(null,"%", "%", names);
while (tables.next()) {
String tableName = tables.getString("TABLE_NAME");
ResultSet columns = metadata.getColumns(null, "%", tableName, "%");
while (columns.next()) {
String columnName = columns.getString("COLUMN_NAME");
}

How To Know The Column Name Of The Internal Table

HI ,
        i have an internal table .
f1          f2           f 3         f4            f5
matnr   mbrsh    mtart     meins       minbe
i want to know the column name which depending on the value i.e . if it is matnr then f1 , if mbrsh it is f2 ..so on
Thanks.

Hi ,
      thanks for your replies . i am elaborating my query .
        I have an internal table with 80 fields i.e.f1,f2,f3......f80 . In the first index i will be having the fieldnames
i.e.matnr , mbrsh , meins , mtart ..... . From second index onwards i will be having the corresponding data for the field name. i need to display a particular field in a table control . Here i will be knowing the fieldname. If i can get to know the column name i.e whether f1 or f2 or ... .i Can populate the data into the table control.
Wht i have done is taken a field symbol and used the following code.
read table i_upload index 1 assigning <lv_upload>.
here i will get the initial first record i.e
F1                                             MATNR
F2                                             MBRSH
F3                                             MTART
F4                                             WERKS
F5                                             LGORT
F6                                             VKORG
F7                                             VTWEG
F8                                             MAKTX
F9                                             MEINS
F10                                             MATKL
F11                                             BISMT
F12                                             BRGEW
F13                                             GEWEI
F14                                             NTGEW
F15                                             GROES
F16                                             KLART
F17                                             CLASS
F18                                             SPART
F19                                             VRKME
F20                                             UMREN
now i want to the field name .
Hope it is clear this time .
Thanks.

Using Column Name returned by function in SELECT statement

Hi
Output from my function (RETURN data type is VARCHAR2) is column name. I want to use it directly in my SELECT statement. Below is simplified example of this:
--- Function
CREATE OR REPLACE FUNCTION simple RETURN varchar2 IS
BEGIN
RETURN ‘my_column’;
END simple;
--- Select
SELECT simple FROM my_table;
This does not work. It seems that output from function is passed in quotation i.e.
SELECT ‘my_column’ FROM my_table;
So the output from SELECT is a list of rows populated with values my_table:
COLUMN     simple
ROW1     my_column
ROW2     my_column
ROW3     my_column
Can please someone help me with this?

I'm not sure I got you right.
In standard SQL everything must be known at compile time. If not dynamic SQL is required, but is a costly operation (usually requires parsing before each execution) so it should better not be used when standard SQL can do it.
I provided a design time example where a function returns the column name from the given the table name and column id for a varchar2 column data type to make things simple. Then a query string is constructed and executed dynymically to return all column values of the chosen table_name.column_name.
SELECT simple FROM my_tableAt compile time the simple function return value is unknown (any varchar2 value would do) you already find out you get the (same) return value (i.e column name) for each table row => dynamic SQL needed to get the column values
The purpose of function would be to rename all columns for provided table.The table name would be provided, right? If yes => dynamic SQL
What is the function supposed to return the column name (where would the new name come from?), the column alias (which table column would be renamed to the new name?)
The user could use the new_column name as the column alias name submitting the query.
Is it possible to do this?Maybe () using a pipelined function (different data types - number,date, ... not cosidered yet) but your simple query;
<tt>SELECT simple FROM my_table</tt>
might look like:
<tt>select my_column_value new_column_name from table(get_column_value(table_name,column_name))</tt>
Sorry, no Database at hand to provide a specific example.
Regards
Etbin

Stored procedure to identify column names from a lookup table

I have a working PL/SQL stored proc as below:
CREATE OR REPLACE PROCEDURE PROC_TEST IS
CURSOR GET_TEST_VALUES IS
SELECT
MF_master.comp_service_b,MF_master.normal_form_amount_b, MF_master.plan_id_b, MF_master.plan_percentage_b, MF_master.plan_service_b,MF_master.autoid,     ORA_master.comp_service_v, ORA_master.normal_form_amount_v,
ORA_master.plan_id_v, ORA_master.plan_percentage_v,
ORA_master.plan_service_v, ORA_master.autoid,     ORA_master.test_var     FROM MF_master, ORA_master
WHERE ((MF_master.autoid = ORA_master.autoid));
BEGIN
FOR REC IN GET_TEST_VALUES LOOP
begin
if rec.test_var='SVC' then
if (to_number(rec.plan_service_b) = to_number(rec.plan_service_v) ) and
(to_number(rec.comp_service_b) = to_number(rec.comp_service_v) ) then
update ORA_master set status_v = 'COMPLETE',last_updt_user_v = 'PROCEDURE',last_updt_date_v = SYSTIMESTAMP where autoid = rec.autoid;
else
update ORA_master set status_v = 'INCOMPLETE',last_updt_user_v = 'PROCEDURE',last_updt_date_v = SYSTIMESTAMP where autoid = rec.autoid;
end if;
end if;
if rec.test_var = 'TERM' then
if (to_number(rec.plan_percentage_b) = to_number(rec.plan_percentage_v) ) and
(to_number(rec.normal_form_amount_b) = to_number(rec.normal_form_amount_v) )
then
update ORA_master set status_v = 'COMPLETE',last_updt_user_v = 'PROCEDURE',last_updt_date_v = SYSTIMESTAMP where autoid = rec.autoid;
else
update ORA_master set status_v = 'INCOMPLETE',last_updt_user_v = 'PROCEDURE',last_updt_date_v = SYSTIMESTAMP where autoid = rec.autoid;
end if;
end if;
     end;
     END LOOP;
     COMMIT;
END;
What I am doing here is, if test_var = 'SVC', I am comparing 2 columns, plan_service_b and comp_service_b(with plan_service_v and
comp_service_v)
Similarly, for test_var = 'TERM', it is plan_percentage_b and normal_form_amount_b(with plan_percentage_v and normal_form_amount_v)
The above works fine as of now, but I am looking for a way to make this design more dynamic. In other words, these comparison columns may change from time
to time and each time something changes, I will have to change this code. Rather, I am looking for a way to have the comparison columns in a
lookup table that I can query to get what needs to be compared.
My thought is :
CREATE TABLE COMPARISON_COL_LOOKUP
(test_var VARCHAR2(10),
MF_column VARCHAR2(30),
ORA_column VARCHAR2(30) );
And then, insert
INSERT INTO COMPARISON_COL_LOOKUP ('SVC','PLAN_SERVICE_B','PLAN_SERVICE_V');
INSERT INTO COMPARISON_COL_LOOKUP ('SVC','COMP_SERVICE_B','COMP_SERVICE_V');
INSERT INTO COMPARISON_COL_LOOKUP ('TERM','PLAN_PERCENTAGE_B','PLAN_PERCENTAGE_V');
INSERT INTO COMPARISON_COL_LOOKUP ('TERM','NORMAL_FORM_AMOUNT_B','NORMAL_FORM_AMOUNT_V');
commit;
In this way, when tomorrow, when something changes - like new columns need to be compared for SVC or TERM, OR, if any comparisons need to
be removed, all I need to do is to change the data in this lookup table !
Now here's my question --- If I have this lookup table, how best can I update my above stored procedure to use this lookup table so that I don't need to
hard-code the column names for comparison ?
Any thoughts/suggestions are appreciated.

While it is certainly technically possible to use dynamic SQL here, I would suggest that you make absolutely certain that you're not making things unnecessarily complicated...
Dynamic SQL is generally substantially harder to write, debug, and maintain than equivalent static SQL. In addition, it takes a lot more work to ensure that dynamic SQL performs as well as static SQL (i.e. you now have to explicitly use bind variables) and that you're not introducing security holes via SQL injection.
If your comparisons are likely to change infrequently, and particularly as those changes would imply changes to the underlying requirements, I would tend to be biased toward keeping the working procedure and just planning on making code changes periodically.
Of course, not knowing your particular requirements, I certainly can't be certain that dynamic SQL would be inappropriate here, but I have seen lots of folks unnecessarily complicate their systems by building overly flexible systems that were painful to support and extend.
Justin

How to use column name as variable in select statement

hi,
i want to make a sql query where in select statement using variable as a column name. but its not working plz guide me how can i do this.
select :m1 from table1;
regards

Hi,
Is this what you want..
SQL> select &m1 from dept;
Enter value for m1: deptno
old   1: select &m1 from dept
new   1: select deptno from dept
    DEPTNO
        10
        20
        30
        40
SQL> select &m1 from dept;
Enter value for m1: dname
old   1: select &m1 from dept
new   1: select dname from dept
DNAME
ACCOUNTING
RESEARCH
SALES
OPERATIONS
SQL> select &&m1 from dept;
Enter value for m1: loc
old   1: select &&m1 from dept
new   1: select loc from dept
LOC
NEW YORK
DALLAS
CHICAGO
BOSTON
SQL> select &&m1 from dept;
old   1: select &&m1 from dept
new   1: select loc from dept
LOC
NEW YORK
DALLAS
CHICAGO
BOSTONIf you use single '&' then each time you fire the query, It will ask for the new value..
But if you will use double '&&' the value of m1 will be persistent across the session..
Twinkle

Need to create a dynamic caption(column name) in a dynamic table

Hi All,
I have created dynamic table .But the dynamic column is not showing.I have created two column name that is name and empId .I have tried with following code
IWDCaption nameCap=(IWDCaption)view.createElement(IWDCaption.class,"nameCap");
nameCap.setText("Name");
tabColumn1.setHeader((IWDCaption)nameCap);
IWDCaption addCap=(IWDCaption)view.createElement(IWDCaption.class,"addCap");
addCap.setText("Address");
tabColumn2.setHeader((IWDCaption)addCap);
I m getting internal server error...But When i m comented the above code i can able to see tha dynamic table withput column name..Can anyone help me
Suman

Hi
IWDTableColumn tabColumn1 = (IWDTableColumn)view.createElement(IWDTableColumn.class,"N_Co");
          IWDTableColumn tabColumn2 = (IWDTableColumn)view.createElement(IWDTableColumn.class,"A_Co");
          IWDInputField nameText = (IWDInputField)view.createElement(IWDInputField.class,"N_Text");
          nameText.bindValue(attrib1);
          tabColumn1.setTableCellEditor((IWDTableCellEditor)nameText);
          IWDInputField addText = (IWDInputField)view.createElement(IWDInputField.class,"A_Text");
          addText.bindValue(attrib2);
          tabColumn2.setTableCellEditor((IWDTableCellEditor)addText);
<b>I need to see the column name.....</b>
for that i have written the following code...
while writting the following code i m getting internal server error
IWDCaption nameCap = (IWDCaption)view.createElement(IWDCaption.class,"nameCap");
nameCap.setText("contribution_area");
tabColumn1.setHeader((IWDCaption)nameCap);
IWDCaption addCap=(IWDCaption)view.createElement(IWDCaption.class,"addCap");
addCap.setText("SUM");
tabColumn2.setHeader((IWDCaption)addCap);

Using column names dynamically in Trigger

Hello Everyone,
I want to use a trigger for my application in which column names will be provided dynamically rather than hard coded. i.e. for ex. I want to have foll. code
Execute Immediate
'Begin
dbms_output.put_line'' ' | | :new.col_name | | ' ''); End; ';
where in ":new.col_name" col_name will be replaced dynamically. so if any of you can tell me how to achive this I will be thankful to you. Hoping for the best.
Regards
-Heena

My advise will be to think about using dynamic PL/SQL.

ORA-20100: Column name undefined invalid Error - Table splitting

Hi
While tablesplitting in our upgraded ECC6.0 (EHP4) system, we are facing the below error
BEGIN table_splitter.ranges('SOFFCONT1','undefined',5,'/tmp/sapinst_instdir/ERPEhP4/LM/COPY/ORA/EXP/CENTRAL/AS-ABAP/PRETABSPLIT/Split/DATA'); END;
ERROR at line 1:
ORA-20100: Column name undefined invalid
ORA-06512: at "SAPR3.TABLE_SPLITTER", line 775
ORA-06512: at line 1
In our R3hint file we have the below entry, but still we face the issue.
(kdecc01)#cat R3ta_hints.txt | grep SOFF
SOFFCONT1 PHIO_ID
Has anyone faced this issue before?
Senthil

see SAP note 1043380
Ensure the directory being reference does actually exist and ensure
privilege are provided for access. Also, a Directory Alias should be
used instead of the database parameter UTL_FILE_DIR which has been
deprecated.
Grant the READ or WRITE privileges to the username accessing the
DIRECTORY.
Ensure that the file being read does exist and actually contains
information to be read.
regards,
Vincent

To read the column names of an internal table

Hi ,
I want to read the column/field names of an internal table into another internal table.
How can this be done?
Kind Regards,
hgarsht Rungta

Hi ,
you can get the attributes of any internal table into another ..
check the following code ..
DATA : it_mara TYPE STANDARD TABLE OF mara WITH HEADER LINE.
DATA : it_detail TYPE abap_compdescr_tab,
wa_comp TYPE abap_compdescr.
DATA : ref_descr TYPE REF TO cl_abap_structdescr.
ref_descr ?= cl_abap_typedescr=>describe_by_data( it_mara ).
it_detail[] = ref_descr->components .
loop at it_detail into wa_comp.
write:/ wa_comp-name .
endloop.
Regards,
Rajesh Kumar

Domain check constraint using column name

Hello,
in the domain administration of Data Modeler, I defined a domain "age",
and set it to logical type "Integer". Now I want to define a check constraint
for that domain, saying, that every attribute of domain "age" must have
values greater than 18.
But how should I specify the column name for that check-constraint, since
I cannot know now, to which columns this domain will be applied to, and
these columns could have different names!
I tried {column} > 18 and hoped that {column} might be substituted by
the appropriate column name when generating DDL but it was not,
the DDL contained "check ( {column} > 18 ) which did of course not work.
Does anybody have an idea?

Thanks a lot, that solved the problem. I noticed additionally, that %COLUMN% is case sensitive, so %COLUMN% gets substituted by the column name in the DDL, while %column% does not.

T-SQL - Using Column Name in where condition without any references when having multiple tables that are engaged using multiple joins.

Hi All,
I am a newbie for T-Sql, I came across a SP where multiple tables are engaged using multiple joins but the where clause contain a column field without any table reference and assigned for an incoming variable,like
where 'UserId = @UserId'
instead - no table reference like 'a.UserId = @Userid' ............ Can any please do refer to me any material that clears my mind regarding such issue................... help is appreciated.
Thank You.

As suggested above, use table alias with columns for unique referencing and to make the code easier to read.
BOL example for table aliasing:
USE AdventureWorks;
GO
SELECT S.CustomerID, S.Name AS Store, A.City, SP.Name AS State, CR.Name
AS CountryRegion
FROM Sales.Store AS S
JOIN Sales.CustomerAddress AS CA ON CA.CustomerID = S.CustomerID
JOIN Person.Address AS A ON A.AddressID = CA.AddressID
JOIN Person.StateProvince SP ON
SP.StateProvinceID = A.StateProvinceID
JOIN Person.CountryRegion CR ON
CR.CountryRegionCode = SP.CountryRegionCode
ORDER BY S.CustomerID ;
GO
GO
LINK:
http://technet.microsoft.com/en-us/library/ms124824(v=sql.100).aspx
Check the use of TABLE ALIASes and COLUMN ALIASes in the following blog:
http://www.sqlusa.com/bestpractices2005/organizationtree/
Without the use of aliases the code would become unreadable.
Kalman Toth Database & OLAP Architect
Free T-SQL Scripts
New Book / Kindle: Exam 70-461 Bootcamp: Querying Microsoft SQL Server 2012

Using Column Name in a Second Table

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