Adding up entries of 2 different columns of a table in a single view column

Hi All,
I have a requirement wherein I have to add up the entries of 2 different columns of 2 different database tables and show it in one column of a View.
Eg. Table A has column A and Table B has column B. I create a view C with column C.
Now Col C = Col A + Col B
Can anyone please let me know how this view can be created?
Thanks,
Momdipa

Hi Momdipa,
ABAP Table View does not support dynamic arithmetic operations. So, you can't achieve this business logic in the view. There are no operators in the view which can help you to do this.
If you need this functionality, you need to create a ABAP Report to calculate the sum on the execution of the Report. And then you can update the View based on your own business logic.
Hope this helps.
Thanks,
Samantak.

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using dbms_crypto package
Assumption: TE is a user in oracle 10g
we have a table need encrypt a column, this column SYSDBA can not look at, it's credit card number.
tha table is
SQL> desc TE.temp_sales
Name Null? Type
CUST_CREDIT_ID NOT NULL NUMBER
CARD_TYPE VARCHAR2(10)
CARD_NUMBER NUMBER
EXPIRY_DATE DATE
CUST_ID NUMBER
1. grant execute on dbms_crypto to te;
2. Create a table with a encrypted columns
SQL> CREATE TABLE te.customer_credit_info(
2 cust_credit_id number
3      CONSTRAINT pk_te_cust_cred PRIMARY KEY
4      USING INDEX TABLESPACE indx
5      enable validate,
6 card_type varchar2(10)
7      constraint te_cust_cred_type_chk check ( upper(card_type) in ('DINERS','AMEX','VISA','MC') ),
8 card_number blob,
9 expiry_date date,
10 cust_id number
11      constraint fk_te_cust_credit_to_cust references te.customer(cust_id) deferrable
12 )
13 storage (initial 50k next 50k pctincrease 0 minextents 1 maxextents 50)
14 tablespace userdata_Lm;
Table created.
SQL> CREATE SEQUENCE te.customers_cred_info_id
2 START WITH 1
3 INCREMENT BY 1
4 NOCACHE
5 NOCYCLE;
Sequence created.
Note: Credit card number is blob data type. It will be encrypted.
3. Loading data encrypt the credit card number
truncate table TE.customer_credit_info;
DECLARE
input_string VARCHAR2(16) := '';
raw_input RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(input_string,'AL32UTF8','US7ASCII'));
key_string VARCHAR2(8) := 'AsDf!2#4';
raw_key RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(key_string,'AL32UTF8','US7ASCII'));
encrypted_raw RAW(2048);
encrypted_string VARCHAR2(2048);
BEGIN
for cred_record in (select upper(CREDIT_CARD) as CREDIT_CARD,
CREDIT_CARD_EXP_DATE,
to_char(CREDIT_CARD_NUMBER) as CREDIT_CARD_NUMBER,
CUST_ID
from TE.temp_sales) loop
dbms_output.put_line('type:' || cred_record.credit_card || 'exp_date:' || cred_record.CREDIT_CARD_EXP_DATE);
dbms_output.put_line('number:' || cred_record.CREDIT_CARD_NUMBER);
input_string := cred_record.CREDIT_CARD_NUMBER;
raw_input := UTL_RAW.CAST_TO_RAW(CONVERT(input_string,'AL32UTF8','US7ASCII'));
dbms_output.put_line('> Input String: ' || CONVERT(UTL_RAW.CAST_TO_VARCHAR2(raw_input),'US7ASCII','AL32UTF8'));
encrypted_raw := dbms_crypto.Encrypt(
src => raw_input,
typ => DBMS_CRYPTO.DES_CBC_PKCS5,
key => raw_key);
encrypted_string := rawtohex(UTL_RAW.CAST_TO_RAW(encrypted_raw)) ;
dbms_output.put_line('> Encrypted hex value : ' || encrypted_string );
insert into TE.customer_credit_info values
(TE.customers_cred_info_id.nextval,
cred_record.credit_card,
encrypted_raw,
cred_record.CREDIT_CARD_EXP_DATE,
cred_record.CUST_ID);
end loop;
commit;
end;
4. Check credit card number script
DECLARE
input_string VARCHAR2(16) := '';
raw_input RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(input_string,'AL32UTF8','US7ASCII'));
key_string VARCHAR2(8) := 'AsDf!2#4';
raw_key RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(key_string,'AL32UTF8','US7ASCII'));
encrypted_raw RAW(2048);
encrypted_string VARCHAR2(2048);
decrypted_raw RAW(2048);
decrypted_string VARCHAR2(2048);
cursor cursor_cust_cred is select CUST_CREDIT_ID, CARD_TYPE, CARD_NUMBER, EXPIRY_DATE, CUST_ID
from TE.customer_credit_info order by CUST_CREDIT_ID;
v_id customer_credit_info.CUST_CREDIT_ID%type;
v_type customer_credit_info.CARD_TYPE%type;
v_EXPIRY_DATE customer_credit_info.EXPIRY_DATE%type;
v_CUST_ID customer_credit_info.CUST_ID%type;
BEGIN
dbms_output.put_line('ID Type Number Expiry_date cust_id');
dbms_output.put_line('-----------------------------------------------------');
open cursor_cust_cred;
loop
     fetch cursor_cust_cred into v_id, v_type, encrypted_raw, v_expiry_date, v_cust_id;
exit when cursor_cust_cred%notfound;
decrypted_raw := dbms_crypto.Decrypt(
src => encrypted_raw,
typ => DBMS_CRYPTO.DES_CBC_PKCS5,
key => raw_key);
decrypted_string := CONVERT(UTL_RAW.CAST_TO_VARCHAR2(decrypted_raw),'US7ASCII','AL32UTF8');
dbms_output.put_line(V_ID ||' ' ||
V_TYPE ||' ' ||
decrypted_string || ' ' ||
v_EXPIRY_DATE || ' ' ||
v_CUST_ID);
end loop;
close cursor_cust_cred;
commit;
end;
/

Need to compare values in two columns of one table against values in two columns in another table

Hi, as the title reads, I'm looking for an approach that will allow me to compare values in two columns of one table against values in two columns in another table.
Say, for instance, here are my tables:
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Table2:
Server,Login
ABCDEF,JOHN
ABCDEF,JANE
FEDCBA,SHAWN
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Server,Login
FEDCBA,SEAN
Thanks.

create table Table1([Server] varchar(50), Login varchar(50))
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select [Server] ,Login from Table1
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select [Server] ,Login from Table1 t1
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drop table Table1,Table2

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Normally renderers are specified for a given class of data or column of data.
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b) change the border of the selected cell
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b) Triditional Approach - single renderer
c) Alternative Approach
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Hopefully your response will consider:
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b) class reusability
c) class maintenance
d) anything else you can think of
import java.awt.*;
import java.text.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.table.*;
public class TableRowRendering extends JFrame
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                return getValueAt(0, column).getClass();
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}Before you make your final decision. What changes would be required for each solution in the following "what if " scenarios:
a) what if, you added a Boolean column to the table
b) what if, you added a second Double column to the table which should be formatted as a currency (ie. 1,234.5 --> $1,234.50).
Here is an example of a currency renderer:
class CurrencyRenderer extends DefaultTableCellRenderer
     private NumberFormat formatter;
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          super();
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          setHorizontalAlignment( SwingConstants.RIGHT );
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          if ((value != null) && (value instanceof Number))
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          super.setValue(value);
}

Well, here's a partila solution using technique from a link you cited in another thread.
import tests.basic.tables.ColorProvider;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.text.NumberFormat;
public class DecoratedTablePrepareRenderer extends JFrame {
    JTable table;
    private DefaultTableModel model;
    public DecoratedTablePrepareRenderer() {
        Object[] columnNames = {"Type", "Company", "Price", "Shares", "Closed"};
        Object[][] data =
                    {"Buy", "IBM", new Double(80.50), new Double(1000), Boolean.TRUE},
                    {"Sell", "MicroSoft", new Double(6.25), new Double(2000), Boolean.FALSE},
                    {"Sell", "Apple", new Double(7.35), new Double(3000), Boolean.TRUE},
                    {"Buy", "Nortel", new Double(20.00), new Double(4000), Boolean.FALSE}
        model = new DefaultTableModel(data, columnNames);
        table = new JTable(model) {
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                return getValueAt(0, column).getClass();
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                Component c = super.prepareRenderer(renderer, row, column);
                if (isRowSelected(row))
                    c.setFont(c.getFont().deriveFont(Font.BOLD));
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        ColorProvider prov = new TransactionColorProvider();
        ColorTableCellRenderer renderer = new ColorTableCellRenderer(table.getDefaultRenderer(Object.class),prov);
        ColorTableCellRenderer boolrenderer = new ColorTableCellRenderer(table.getDefaultRenderer(Boolean.class),prov);
        ColorTableCellRenderer doublerenderer = new ColorTableCellRenderer(table.getDefaultRenderer(Double.class),prov);
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        frame.setVisible(true);
    class ColorTableCellRenderer implements TableCellRenderer{
        protected TableCellRenderer delegate;
        protected ColorProvider provider;
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            this.provider = provider;
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            Component c = delegate.getTableCellRendererComponent(table, value,isSelected,hasFocus,row, column);
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            JComponent c = (JComponent)delegate.getTableCellRendererComponent(table, value,isSelected,hasFocus,row, column);
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        private int keyIndex = 0;
        private Color sellColor = Color.yellow;
        private Color buyColor = Color.green;
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                 return sellColor;
            else {
                 return buyColor;
        public Color getForegroundColor(int row, int column) {
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}Boolean values are problematical since JCheckBox does seem to like borders, using a panel as I did in the Etched renderer seems to work. This solution need a little more work, this is submitted as a prototype
Cheers
DB

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http://john-goodwin.blogspot.com/

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execute immediate 'alter table '||i.uname||'.'||i.oname||' enable table lock';
end loop;
end;
It basically uses locks on views to verify locks on the base tables.
Just wondering, can we use FOR UPDATE OF statements to get to the columns?

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HI,
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sappk25

Hi,
Have you created the Header Text? If yes, then might be the case that your smartforms
table which was already created is with Multiple Line. Check weather you have added
customer field in Header Line or Not?
Regards,
SUjeet

How to join two columns between two tables with different column names

Hi
How i can join 2 columns with different names between the 2 tables.
Can any one please give solution for this.
Thanks
Manu

Hi,
basic understanding of joins:
If you want to join 2 tables there should be matching column w.r.t. data and it's data type. You need not to have same column names in both the tables...
so, find those columns which has got same values..

Adding up entries of 2 different columns of a table in a single view column

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