UPDATE statment

hi for all, plz i have a question ,i have a tabel called (ClientT) which contain these fielde
First_Name
Last_Name
UserID
Address
Password
BirthDate
Answer
and i need to make an Update to this table according to some informatio ,My Code
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          String url = "jdbc:odbc:test";
        // Step 2: Establish the connection to the database.
          java.sql.Connection c = DriverManager.getConnection(url,"", "");
          java.sql.Statement st = c.createStatement();
          String Query = "UPDATE ClientT " +
                         "SET Password = 'pass' "+
                         "WHERE (Address LIKE 'city') AND (BirthDate LIKE 'birth') AND (Answer LIKE 'color')";
          st.executeQuery(Query);
         st.close();
         c.close();
     catch(SQLException ex) {
        System.err.println("SQLException: " + ex.getMessage());
     catch(ClassNotFoundException ex) {
         System.out.println("Class Not Found Exception ");
          }when the trace reach
String Query = "UPDATE ClientT"+
it jump to th st.close();
what is the problem, the problem is with the UPDATE SQL Query.is the structure of this query correct??
Thanks.

thank you for your third point i make it but still the code not done what i need (update the password in the tabel according to certain Client information),
i dont have an error to do
exception.printStacktrace();
the code not produce an error through debugging,or through run,so i thing the UPDATE statment not coorect.
i use this UPDATE statment for the first time so i dont sure is the structure of it right or not, and i using NetBeens IDE.
can you help me or give me an examples of UPDATE Statment.
thank
i have a question< is there is a diffrence when i replace the LIKE whith = in my SQL query?
my final code is
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
 String url = "jdbc:odbc:test";
 // Step 2: Establish the connection to the database.
 java.sql.Connection c = DriverManager.getConnection(url,"", "");
 java.sql.Statement st = c.createStatement();
 String Query = "UPDATE ClientT " +
 "SET Password = ('"+pass+"') "+
 "WHERE (Address = 'city') AND (BirthDate = 'birth') AND (Answer = 'color')";
 st.executeUpdate(Query);
 st.close();
 c.close();
 catch(SQLException ex) {
 System.err.println("SQLException: " + ex.getMessage());
 catch(ClassNotFoundException ex) {
 System.out.println("Class Not Found Exception ");
 }Edited by: master2007 on Mar 16, 2008 1:13 AM

Similar Messages

Problem in update statment when using where condtion

Hi ,
      Iam using update statment to update field in Z-Table .My statment is not working fine as per my requirement.The statment is as below,
UPDATE ZFINAL_DATA SET ZDATE_FLAG = SPACE where ZGLOBAL_CODE ( SELECT LIFNR FROM LFA1 WHERE KTOKK = 'ZLIE' ).
But this statment is doing my purpose .
My requirement is , I need to update ZDATE_FLAG = SPACE in ZFINAL_DATA table when LFA1 -LIFNR = ZFINAL_DATA-ZGLOBAL_CODE and LFA1-KTOKK = 'ZLIE'.
Can any correct the update statment which will be helpfull to proceed further .
Regards,
Sriram

Hi Sriram,
Have a look into the logic of the below query. Maybe this will fulfil the requirement.
TYPES:     BEGIN OF lt_lifnr,
         lifnr TYPE lifnr,
     END OF lt_lifnr.
DATA:      la_lifnr TYPE TABLE OF lt_lifnr,
       wa_zfinal_data TYPE zfinal_data,
       la_zfinal_data TYPE TABLE OF zfinal_data.
TABLES: zfinal_data.
SELECT lifnr
FROM lfa1
INTO TABLE la_lifnr
WHERE ktokk = 'ZLIE'.
SORT la_lifnr BY lifnr.
SELECT *
FROM zfinal_data
INTO TABLE la_zfinal_data.
LOOP AT la_zfinal_data INTO wa_zfinal_data.
READ TABLE la_lifnr WITH KEY lifnr = wa_zfinal_data-zglobal_code
                      BINARY SEARCH TRANSPORTING NO FIELDS.
IF sy-subrc = 0.
    wa_zfinal_data-zdate_flag = space.
    MODIFY la_zfinal_data
    FROM wa_zfinal_data
    INDEX sy-tabix
    TRANSPORTING zdate_flag.
ENDIF.
ENDLOOP.
MODIFY zfinal_data FROM TABLE la_zfinal_data.
COMMIT WORK.

ROWID in update statment

Hi all,
Please advice if following statment will update correct rows?:
for x in (select rowid from table where col=345 and col2=567 and col3=678)
loop
update table set col6=344 wher rowid=x.rowid;
end loop;
I just whant to be sure that refference to rowid column in update statment will update correct rows.
Is the any cases when rowid value can be changed between fetching and updating?
Thank you.

You probably should make sure that you aren't updatind a record that has already been updated by checking that col6 <> 344 in both the guard at the beginning of the loop and in the update statement folowing the guard.
LOOP
-- check if still rows to update
begin
 select 'x'
 into v_dummy
 from table
 where col1=345 and col2=567 and col3=678 and col6 <> 344
 and rownum = 1;
exception
 when no_data_found then
 exit; -- leave loop
end;
update table
set col6=344
where col1=345 and col2=567 and col3=678 and col6 <> 344
and rownum <= 50000; -- use big chucks to update
commit;
END LOOP;

One Update Statment

Hi ,
I wana use two column conditionally in an update statement rather then writing two statement for each conditions.
update war_room_report_aged
     set case when p_business_days_old=15 then nrpc_15_days
              when p_business_days_old=25 then nrpc_25_days
              when p_business_days_old=10 then nrpc_10_days end = exceeds_sr.c_date_recd
   where bus_unit_abbrev = exceeds_sr.abr_bus_unit||'_'||exceeds_sr.abr_sub
     and todays_date     = p_end_date
     and tio_priority    = p_level;I can do it with two statement seperatly ,but i got in a situation where there would be more than 5 columns need to be updated according to parameter's value.
if p_business_days_old=15 then
update war_room_report_aged
     set nrpc_15_days=exceeds_sr.c_date_recd
   where bus_unit_abbrev = exceeds_sr.abr_bus_unit||'_'||exceeds_sr.abr_sub
     and todays_date     = p_end_date
     and tio_priority    = p_level;
elsif p_business_days_old=25 then
update war_room_report_aged
     set nrpc_25_days=exceeds_sr.c_date_recd
   where bus_unit_abbrev = exceeds_sr.abr_bus_unit||'_'||exceeds_sr.abr_sub
     and todays_date     = p_end_date
     and tio_priority    = p_level;
elsif .. then
end if;Can i made the same above in one statment?I am so devastated as there gonna be more than 10 conditions for 10 parameter and for each parameter's value relate to seperate 10 cloumns.

You can do it this way:
create table test_table
pk_col     number,
cond_1     number,
col_1      varchar2(5),
cond_2     number,
col_2      varchar2(5),
cond_3     number,
col_3      varchar2(5)
insert into test_Table values (1, 10, 'AAA', 20, 'BBB', 30, 'CCC');
update test_table
   set col_1 = decode(&input, 10, col_1 || '1', col_1),
       col_2 = decode(&input, 20, col_2 || '1', col_2),
       col_3 = decode(&input, 30, col_3 || '1', col_3)
where pk_col = 1;
select *
from test_table;
PK_COL                 COND_1                 COL_1 COND_2                 COL_2 COND_3                 COL_3
1                      10                     AAA1 20                     BBB   30                     CCCLogic is to check if the variable matches a certain Input condition, then update the column with new value, else just update it with Itself. This way, you achieve it in a single SQL and still do not risk losing column information.

How to use the Output clause for the updated statment

How to use the output clause for the below update stament,
DECLARE @MyTableVar table(
sname int NOT NULL)
update A set stat ='USED'
from (select top 1 * from #A
where stat='AVAILABLE' order by sno)A
Output inserted.sname
INTO @MyTableVar;
SELECT sname
FROM @MyTableVar;
Here am getting one error incorrect syntax near Output
i want to return the updated value from output clause

see
http://blogs.msdn.com/b/sqltips/archive/2005/06/13/output-clause.aspx
Please Mark This As Answer if it solved your issue
Please Vote This As Helpful if it helps to solve your issue
Visakh
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Using a WITH list in an update statment

I have the following SQL that gives a 'The multi-part identifier "CurrentScannedCasks.CSC" could not be bound.' error,.
So how can I, or can I, use the contents if a WITH statement to populate this update statement?
WITH CurrentScannedCasks (CSC) AS (
select CaskNo
from AllocationCask ac
inner join allocation a on a.ID = ac.AllocationID
where a.AllocationNo = 143601 -- {allocation number from input}
and ac.CaskScanned =1
and ac.AllocationID = (select distinct top 1 allocationID as latestAllocationID
from AllocationCask ac
inner join allocation a on a.ID = ac.AllocationID
where a.AllocationNo = 143601
order by allocationID DESC)
update scantransaction
set AllocationCaskID = (select ID from AllocationCask
where caskNo = CurrentScannedCasks.CSC
and AllocationID = (select distinct top 1 allocationID as latestAllocationID
from AllocationCask ac
inner join allocation a on a.ID = ac.AllocationID
where a.AllocationNo = 143601
order by allocationID DESC))
Where ID = (select top 1 ID from scantransaction st
where SUBSTRING(st.CaskBarcode, 13, 7) = CurrentScannedCasks.CSC
and st.AllocationNo = 143601
order by ID DESC)

I forgot the from!
e.g.
WITH CurrentScannedCasks (CSC) AS (
select CaskNo
from AllocationCask ac
inner join allocation a on a.ID = ac.AllocationID
where a.AllocationNo = 143601 -- {allocation number from input}
and ac.CaskScanned =1
and ac.AllocationID = (select distinct top 1 allocationID as latestAllocationID
from AllocationCask ac
inner join allocation a on a.ID = ac.AllocationID
where a.AllocationNo = 143601
order by allocationID DESC)
update scantransaction
set AllocationCaskID = (select ID from AllocationCask
where caskNo = CurrentScannedCasks.CSC
and AllocationID = (select distinct top 1 allocationID as latestAllocationID
from AllocationCask ac
inner join allocation a on a.ID = ac.AllocationID
where a.AllocationNo = 143601
order by allocationID DESC))
from CurrentScannedCasks
Where ID = (select top 1 ID from scantransaction st
where SUBSTRING(st.CaskBarcode, 13, 7) = CurrentScannedCasks.CSC
and st.AllocationNo = 143601
order by ID DESC)
But it still dosn't appear toi be working properly, It should update all the caskScanned fields of the current allocation to 1 where any previous version of the cask was 1.
Then update the current allocationCaskId of the relevant transactions table record to that of the latest version od the cask record in the allocation cask table.
It looks like this isn't quite doing what I expected!

JDBC adapter update statment

Hello All,
In my sender jdbc adpter configuration i read data from table that contains filed 'status' witch indicate does record has been send to sap. But limitation of this solution is that i read up to ne row and example query looks like this
select up to 1 rows * from table where status = 0 order by id.
and update query
update table set status = 1 where id = ( select id 1 rows * from table where status = 0 order by id )
Can you write your strategy of reading multiple records.
I know that stored procedure can be solution of this problem, but i'm wondering how do you handle with that.
BR
Maciej

you can indeed read and update multiple records;
Adapter Work Method
·        You must add an indicator that specifies the processing status of each data record in the adapter (data record processed/data record not processed) to the database table.
·        The UPDATE statement must alter exactly those data records that have been selected by the SELECT statement. You can ensure this is the case by using an identical WHERE clause. (See Processing Parameters, SQL Statement for Query, and SQL Statement for Update below).
·        Processing can only be performed correctly when the isolation level for transaction is set to repeatable_read or serializable.
Example
SQL statement for query: SELECT * FROM table WHERE processed = 0;
SQL statement for update: UPDATE table SET processed = 1 WHERE processed = 0;
processed is the indicator in the database.
the above is from SAP help.
follow the query as mentioned and do not forget to set the repeatable_read or serializable in the adapter
http://help.sap.com/saphelp_nw04/helpdata/EN/7e/5df96381ec72468a00815dd80f8b63/frameset.htm

Need to reduce no of calling same function in update statment

update tab1 set
    col1 = FN1(a),
    col2 = FN2(a),
    col3 = FN3( FN1(a), FN2(a) , c )
here FN1 and FN2 is called two time .. or only once ,, ??
if 2 time then how to make it once call only ...
can we change it like this
     update tab1 set
    col1 = FN1(a),
    col2 = FN2(a),
    col3 = FN3( col1 , col2   , c )
both r same or differnt ..??Edited by: user12108669 on Dec 11, 2009 4:31 AM

Hi,
Those are very good questions.
Riedelme has told you who is the best person to answer thiose questions: you.
To see how ofte a function is called, you can have it display something (using dmbs_output) or increment a sequence, package variable or SYS_CONTEXT attribute.
CREATE TABLE tab1
(        a      NUMBER
,        col1    NUMBER
,            col2      NUMBER
,      col3      NUMBER
,      c      NUMBER
INSERT INTO tab1 (a) VALUES (1);
INSERT INTO tab1 (a) VALUES (2);
INSERT INTO tab1 (a) VALUES (3);
CREATE SEQUENCE      fn1_seq    START WITH 1;
CREATE SEQUENCE      fn2_seq    START WITH 1001;
CREATE OR REPLACE FUNCTION      fn1
(      in_num       IN        NUMBER
RETURN NUMBER
IS
     seq_val     NUMBER;
BEGIN
     SELECT fn1_seq.NEXTVAL
     INTO     seq_val
     FROM     dual;
     RETURN     seq_val;
END     fn1;
SHOW ERRORS
CREATE OR REPLACE FUNCTION     fn2
(      in_num       IN        NUMBER
RETURN NUMBER
IS
     seq_val     NUMBER;
BEGIN
     SELECT fn2_seq.NEXTVAL
     INTO     seq_val
     FROM     dual;
     RETURN     seq_val;
END     fn2;
SHOW ERRORS
CREATE OR REPLACE FUNCTION     fn3
(      in_x       NUMBER
,      in_y       NUMBER
,      in_z       NUMBER
RETURN     NUMBER
IS
BEGIN
     RETURN in_x + in_y;
END     fn3;
SHOW ERRORSTo avoid calling the functions repeatedly, you can use MERGE instead of UPDATE, like this:
MERGE INTO tab1    dst
USING (
       SELECT a
       ,       fn1 (a)     AS fn1_a
       ,       fn2 (1)     AS fn2_a
       ,       c
       FROM    tab1
       )         src
ON     (src.a         = dst.a)
WHEN MATCHED THEN UPDATE
SET dst.col1       = src.fn1_a
,    dst.col2       = src.fn2_a
,    dst.col3       = fn3 (src.fn1_a, src.fn2_a, src.c)
SELECT       *
FROM       tab1
ORDER BY a;Output:
.        A       COL1       COL2       COL3          C
         1          1       1001       1002
         2          2       1002       1004
         3          3       1003       1006

Update statment problem

I having a problem using th following preparded statement:
String updateDatabase = "UPDATE titles SET titles.isbn = ? WHERE titles.isbn = "+ISBN+"";//ISBN is a string already initialized
preStatement = connection.prepareStatement(updateDatabase);
preStatement.set.setString(1,Sisbn);//Sisbn is a string to update database.
preStatement.executeUpdate();
preStatement.close();
This of course is inclosed in a try catch.
However, when I run this I get the following error:
Data type mismatch in criteria expression.
The field in the database is text so I don't see what could be the mismatch. Any help would be appreciated.

1) You didn't quote the value in the where clause
2) Why can't you use another parameter (?) and set that, too? Example from the docs:PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES
SET SALARY = ? WHERE ID = ?");

Help with UPDATE statment

Hello,
i have a table like this:
create table test
(id number,
stat number,
id_num number);data in table:
insert into table test (id,stat,id_num) values (1,112,'');
insert into table test (id,stat,id_num) values (1,123,'');
insert into table test (id,stat,id_num) values (2,134,'');
insert into table test (id,stat,id_num) values (2,111,'');
insert into table test (id,stat,id_num) values (3,112,'');
insert into table test (id,stat,id_num) values (4,111,'');
insert into table test (id,stat,id_num) values (4,12,'');
insert into table test (id,stat,id_num) values (4,11,'');I want to update column id_num with sequence number under same ID.
Below is the table with correctly updated coloumn.
insert into table test (id,stat,id_num) values (1,112,1);
insert into table test (id,stat,id_num) values (1,123,2);
insert into table test (id,stat,id_num) values (2,134,1);
insert into table test (id,stat,id_num) values (2,111,2);
insert into table test (id,stat,id_num) values (3,112,1);
insert into table test (id,stat,id_num) values (4,111,1);
insert into table test (id,stat,id_num) values (4,12,2);
insert into table test (id,stat,id_num) values (4,11,3);Can someone give me a hint how to pull this off?
Thank you for your help!

Hi,
what is the order of assigning the sequence within the same id?
You cannot rely on the order of row number as Oracle does not ensure that it is giving back the rows in the sequence in which they have been inserted.
I have assumed here that within the id the id_num is numbered ordered by stat:
MERGE INTO test a
     USING (SELECT id, stat
                 , ROW_NUMBER () OVER (PARTITION BY id ORDER BY stat) AS val
              FROM test) b
        ON (a.id = b.id AND a.stat = b.stat)
WHEN MATCHED
THEN
   UPDATE SET id_num = val;
SELECT *
FROM test
ORDER BY id, stat;
        ID       STAT     ID_NUM
         1        112          1
         1        123          2
         2        111          1
         2        134          2
         3        112          1
         4         11          1
         4         12          2
         4        111          3Regards.
Al

Doubt on update Statment

Removed
Message was edited by:
MIND

Like this ?
WHERE (    LICNXX.PRPR_ID = AFRSXX.SRV_PRPR_ID
       AND LICNXX.LICN_STATE = AFRSXX.SRV_PRAD_STATE
       AND LICNXX.PRPR_TYPE ='F'
       AND AFRSXX.CLCL_CL_SUB_TYPE ='I')
OR    (    LICNXX.PRPR_ID = AFRSXX.PRCP_ID
       AND LICNXX.LICN_STATE = AFRSXX.SRV_PRAD_STATE
       AND LICNXX.PRPR_TYPE ='C'
       AND AFRSXX.CLCL_CL_SUB_TYPE ='P')
AND ROWNUM = 1Nicolas.

Update one character in a string

Hello Experts,
I would like to update a character in a string in a column using update statment.
For eg in table a1 column has "ABCDEF", I would like change "C" with "c" . After change the a1 value should be "ABcDEF".
Any help will be highly appreciated.
Regards,
Rashida

Use Translate Function
Example
SQL> select translate('ABCDEF','C','c') from dual ;
TRANSL
ABcDEF
Or Replace Function
Exmaple
SQL> select replace('ABCDEF','C','c') from dual ;
REPLAC
ABcDEF
for table with column a1
update a1 set col1 = replace(col1,'C','c') ;
OR
update a1 set col1 = translate(col1,'C','c') ;

Update statement in sql

I want to update table xx whose column is yy
where column value is successful it should be updated with successfully recharged
where column value is failure it should be updated with permanently failed
Can both of these updates are possible in a single update statment
I am able to use
update xx set yy='Successfully Recharged' where yy='Successful' --for a single statement
Thanks,

You may also use DECODE like:
UPDATE xx
   SET yy =
          DECODE (yy,
                  'successful', 'successfully recharged',
                  'failure', 'permanently failed')
WHERE yy IN ('successful', 'failure')The where clause is mentioned if there were more values in yy column and we don't want to update those records.
Saad,

Unecessary use of SELECT...FOR UPDATE causing Deadlock

DB version:10gR2
We are getting a deadlock issue frequently. When i looked at the trace file i found that the Rolled back SQL and the Successfull SQL are both SELECT FOR UPDATE statements. They both are declared before UPDATE statments.
Both of these PL/SQL codes are developed by a C++ guy. When is it appropriate to use SELECT ..FOR UPDATE. I've seen SELECT ...FOR UPDATE very rarely in the codes developed by PL/SQL gurus in our firm. Why didn't they use SELECT..FOR UPDATE to lock rows before UPDATE/DELETE/INSERT in their codes?

For update is a rowlevel locking. like
Session 1
SQL> conn scott/tiger
Connected.
SQL> select * from emp;
 EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
 7369 SMITH CLERK 7902 17-DEC-80 800 20
 7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
 7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
 7566 JONES MANAGER 7839 02-APR-81 2975 20
 7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
 7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
 7782 CLARK MANAGER 7839 09-JUN-81 2450 10
 7788 SCOTT ANALYST 7566 19-APR-87 3000 20
 7839 KING PRESIDENT 17-NOV-81 5000 10
 7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
 7876 ADAMS CLERK 7788 23-MAY-87 1100 20
 EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
 7900 JAMES CLERK 7698 03-DEC-81 950 30
 7902 FORD ANALYST 7566 03-DEC-81 3000 20
 7934 MILLER CLERK 7782 23-JAN-82 1300 10
14 rows selected.
SQL> select * from emp where empno = 7369 for update;
 EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
 7369 SMITH CLERK 7902 17-DEC-80 800 20
SQL>
Session 2
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> update emp set sal = 1000 where empno = 7900
2 /
1 row updated.
SQL> commit;
Commit complete.
SQL> update emp set sal = 1000 where empno = 7369
2
SQL> /In session 1 we have lock row where empno = 7369 & in session 2 we are updating salary where empno = 7900 it is updating successfully, but we are updating a empno = 7369 then session 2nd hangs for waiting for the next session.
Also read the Link (http://www.oracle.com/technology/oramag/oracle/05-nov/o65asktom.html)

[8i] Need help updating/fixing a workday table

I'm working in an old database:
Oracle8i Enterprise Edition Release 8.1.7.2.0 - Production
PL/SQL Release 8.1.7.2.0 - Production
CORE 8.1.7.0.0 Production
TNS for HPUX: Version 8.1.7.2.0 - Production
NLSRTL Version 3.4.1.0.0 - Production
I'm trying to fix a workday calendar, and I'm not exactly sure how to do it. I'm used to querying data, not making changes to the data...
Here's some sample data:
CREATE TABLE test_cal
( clndr_dt DATE NOT NULL
, work_day NUMBER(3)
, clndr_days NUMBER(6)
, work_days NUMBER(5)
INSERT INTO test_cal
VALUES (TO_DATE('12/30/2010','mm/dd/yyyy'), 254, 11322, 7885);
INSERT INTO test_cal
VALUES (TO_DATE('12/31/2010','mm/dd/yyyy'), 255, 11323, 7886);
INSERT INTO test_cal
VALUES (TO_DATE('01/01/2011','mm/dd/yyyy'), 0, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/02/2011','mm/dd/yyyy'), 0, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/03/2011','mm/dd/yyyy'), 1, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/04/2011','mm/dd/yyyy'), 2, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/05/2011','mm/dd/yyyy'), 3, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/06/2011','mm/dd/yyyy'), 4, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/07/2011','mm/dd/yyyy'), 5, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/08/2011','mm/dd/yyyy'), 0, NULL, NULL);
INSERT INTO test_cal
VALUES (TO_DATE('01/09/2011','mm/dd/yyyy'), 0, 11332, 7895);
INSERT INTO test_cal
VALUES (TO_DATE('01/10/2011','mm/dd/yyyy'), 6, 11333, 7896);Note: 12/31/2010 is the last time I am 100% sure the data in the table is good. After that, clndr_days and work_days are either missing or, at least in the case of work_days, are not correct.
This is a two-part question, since I need to fix both clndr_days and work_days. (You can probably fix them both with one statement, but I broke it into two to start, to simplify it for myself).
I only show 12 days in my sample data, but really, the table stretches back a number of years, and forward another 5 or so years.
PART 1: fixing clndr_days
I put together this query:
SELECT clndr_dt
, work_day
, work_days
, clndr_days
, min_clndr_day + r_num AS clndr_days_test
FROM (
 SELECT t.*
 , MIN(clndr_days) OVER(ORDER BY clndr_dt) AS min_clndr_day
 , ROW_NUMBER() OVER(ORDER BY clndr_dt)-1 AS r_num
 FROM test_cal t
 WHERE clndr_dt >= TO_DATE('12/31/2010','mm/dd/yyyy')
;Which gives the right clndr_days (as clndr_days_test), but I'm not sure how to get that into the table.
This doesn't work:
UPDATE test_cal
SET clndr_days = (
 SELECT min_clndr_day + r_num
 FROM (
 SELECT t.*
 , MIN(clndr_days) OVER(ORDER BY clndr_dt) AS min_clndr_day
 , ROW_NUMBER() OVER(ORDER BY clndr_dt)-1 AS r_num
 FROM test_cal t
 WHERE clndr_dt >= TO_DATE('12/31/2010','mm/dd/yyyy')
 ) c
 WHERE c.clndr_dt = ??? -- how do I make this equal whatever the clndr_dt is for the record I'm updating?
WHERE clndr_dt > TO_DATE('12/31/2010','mm/dd/yyyy')and I'm not sure how to make it work...
PART 2: Fixing work_days
Then, I can't seem to put together a query for work_days.
This is what I have so far, but it doesn't work quite right, and then it also needs to be an UPDATE statement as well:
SELECT clndr_dt
, work_day
, work_days
, clndr_days
, min_work_day + r_num AS work_days_test --this isn't right, when work_day is 0 work_days_test should be the previous work_day not the minimum work_day
FROM (
 SELECT t.*
 , MIN(work_days) OVER ( ORDER BY clndr_dt) AS min_work_day
 , CASE
 WHEN work_day <> 0
 THEN ROW_NUMBER() OVER ( PARTITION BY CASE
 WHEN work_day <> 0
 THEN 1
 ELSE 2
 END
 ORDER BY clndr_dt
 ELSE 0
 END AS r_num
 FROM test_cal t
 WHERE clndr_dt >= TO_DATE('12/31/2010','mm/dd/yyyy')
;(When I tried using LAG, that didn't work either, because you can have more than 1 non-work day in a row, and so it only works for the first non-work day to have the correct work_days, and then it's back to being wrong again)
This is what I want my table to look like in the end:
CLNDR_DT WORK_DAY WORK_DAYS CLNDR_DAYS_TEST
12-31-2010 00:00:00 255.000 7,886.000 11,323.000
01-01-2011 00:00:00 .000 7,886.000 11,324.000
01-02-2011 00:00:00 .000 7,886.000 11,325.000
01-03-2011 00:00:00 1.000 7,887.000 11,326.000
01-04-2011 00:00:00 2.000 7,888.000 11,327.000
01-05-2011 00:00:00 3.000 7,889.000 11,328.000
01-06-2011 00:00:00 4.000 7,890.000 11,329.000
01-07-2011 00:00:00 5.000 7,891.000 11,330.000
01-08-2011 00:00:00 .000 7,891.000 11,331.000
01-09-2011 00:00:00 .000 7,891.000 11,332.000
01-10-2011 00:00:00 6.000 7,892.000 11,333.000(sorry about all the extra decimal places)
Edited by: user11033437 on Jan 11, 2012 1:40 PM

Hi,
Thanks for posting the CREATE TABLE and INSERT statements, the very clear desired output, and your attempts; that's all very helpful. It would also be helpful to explain how you get the results you want from the sample data. There's always a chance someone might coincidentally get the right results for the wrong reasons with the small set of sample data, but would cause you to get wrong results with your full data.
It looks like clndr_days is the total number of days since some conventional starting point (maybe when the company started), and that work_days is the total number of work days from some starting point. It looks like work_day is 0 when the day is not a working day, and otherwise, it's the total number of working days so far in the calendar year. Is that right?
You said the data after December 31, 2010 isn't reliable. Did you mean that two columns (clndr_days and work_days) are unreliable, but the rest of the data is reliable? That is, are you sure there is exactly one row per day even after 2010, and that the work_day column is accurate? If so, you can do this:
UPDATE test_cal m
SET (clndr_days, work_days) =
 SELECT MIN (clndr_days) + COUNT (*) - 1 -- clndr_days
 , MIN (work_days) + COUNT ( CASE
 WHEN work_day > 0
 AND clndr_dt > TO_DATE ('12/31/2010', 'MM/DD/YYYY')
 THEN 1
 END
 ) -- work_days
 FROM test_cal
 WHERE clndr_dt BETWEEN TO_DATE ('12/31/2010', 'MM/DD/YYYY')
 AND m.clndr_dt
WHERE clndr_dt > TO_DATE ('12/31/2010', 'MM/DD/YYYY')
;You were right: it is possible to set both columns at the same time.
It's a shame that you're using Oracle 8.1. The MERGE command, which was new in Oracle 9.1, is a lot clearer and more efficient. If you could use MERGE, you could basically use the code you posted as the core of a MERGE statement.
The UPDATE statement above assumes that, for the inaccurate days, clndr_days and work_days will never be lower than the last accurate value. If that's not the case, the solution is a little more complicated. You could avoid that problem, and make the statment faster as well, by simply hard-coding the last accurate values of clndr_days and work_days in the UPDATE statment, where I used MIN. (This sounds like one situation where efficientcy isn't a big deal, however. You'll probably never do this exact UPDATE statement again, so whether it runs in 1 second or 10 minutes might not matter much.)
Sorry, I don't have an Oracle 8 database to test this. It works in Oracle 9.2, and I don't believe it uses any features that aren't available in 8.1.

UPDATE statment

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