Compare Consecutive Rows in a table

Hi,
I want to compare consecutive rows for each employee. I need to compare SchedulEnd column of the first row with the ScheduleStart of the second row as so on. if both the values are same then i need to generate a sequence like 00 for the first record 01 for
the second record and so on. if the time is not same the the sequence should start with 00.
Example: lets say the data is like:
schedule start
schedule end
10
11
11
12
12
13
15
18
the output should be like
sequence
00
01
02
00

Thank you very much for the quick reply.
I have one more scenario now, with the same data, i want the output like this
<table>
<tr>
<th>Employee</th>
<th>Schedule Time</th>
<th>sequence</th>
<th>Remarks</th>
</tr>
<tr>
<td>1</td>
<td>10</td>
<td>00</td>
<td>sequence "00" as schedule time is unique, 10 is the schedule start time</td>
</tr>
<tr>
<td>1</td>
<td>11</td>
<td>00</td>
<td>sequence "00" as schedule time is unique, 11 is the schedule end time for the first record</td>
</tr>
<tr>
<td>1</td>
<td>11</td>
<td>01</td>
<td>sequence "01" as schedule time is unique, 11 is the schedule start time of the next record</td>
</tr>
<tr>
<td>1</td>
<td>12</td>
<td>00</td>
<td>sequence "00" as schedule time is unique, 12 is the schedule end time of the previous record</td>
</tr>
<tr>
<td>1</td>
<td>12</td>
<td>01</td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>

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Welcome to the forum!
Whenever you post please provide your 4 digit Oracle version (result of SELECT * FROM V$VERSION).
>
The table is date tracked. For instance I have an address table with different addresses for an employee with effective date. I want to be able to pick the latest row if the postal code is different for the 2 rows.
>
Your question is a little confusing because you are using terms like 'date tracked' and 'effective date' without explaining exactly what your definitions of those terms is.
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>
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>
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this is just for demo, is this you mean?
SQL> ed
Wrote file afiedt.buf
1 SELECT empno,ename,e.DEPTNO emp_deptno, d.deptno dept_deptno,d.DNAME
2 FROM EMP e full outer join DEPT d
3* on d.DEPTNO= e.DEPTNO
SQL> /
     EMPNO ENAME      EMP_DEPTNO DEPT_DEPTNO DNAME
      7934 MILLER             10          10 ACCOUNTING
      7839 KING               10          10 ACCOUNTING
      7782 CLARK              10          10 ACCOUNTING
    snipp........
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      7499 ALLEN              30          30 SALES
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40 OPERATIONS
90 LOGISTIC
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Wrote file afiedt.buf
1 SELECT empno,ename,e.DEPTNO emp_deptno, d.deptno dept_deptno,d.DNAME
2 FROM EMP e left outer join DEPT d
3* on d.DEPTNO= e.DEPTNO
SQL> /
     EMPNO ENAME      EMP_DEPTNO DEPT_DEPTNO DNAME
      7934 MILLER             10          10 ACCOUNTING
      7839 KING               10          10 ACCOUNTING
      7782 CLARK              10          10 ACCOUNTING
      7902 FORD               20          20 RESEARCH
    snipp..................
      7654 MARTIN             30          30 SALES
      7521 WARD               30          30 SALES
      7499 ALLEN              30          30 SALES
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12 1
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Wrote file afiedt.buf
1 SELECT empno,ename,e.DEPTNO emp_deptno, d.deptno dept_deptno,d.DNAME
2 FROM EMP e[b] right outer join DEPT d
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     EMPNO ENAME      EMP_DEPTNO DEPT_DEPTNO DNAME
      7369 SMITH              20          20 RESEARCH
      7499 ALLEN              30          30 SALES
      7521 WARD               30          30 SALES
      7566 JONES              20          20 RESEARCH
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Hi all..
I am very new to PL/SQL..
I need to travers through a table for comparing it's rows with in the table with other rows. For this I am trying to use bellow Pl/sql.
create or replace compare()
Declare
VAR_HIT CHAR(1);
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CANDIDATE_RECORD_DATA UDB.table1%ROWTYPE;
CURSOR SEARCH_RECORDS_CURSOR IS SELECT * FROM UDB.table1 order by registration_id;
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FOR CANDIDATE_RECORD_DATA IN CANDIDATE_RECORDS_CURSOR LOOP
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END IF;
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commit;
END LOOP;
END;
Outer loop is working fine (it is raversing throughout the table) (say for 8000 records 8000 times)
But Enner loop is not working fine e.i. it's running just for 8000 times for 8000 records. while it should run more then 8000 time..
Can any one help me..
Is the way of using two cursor on one table for comparing each row of record is correct????????? :(

Finally I come up with this:
INSERT INTO UDB.BIO_DI_HIT_RESULT(REGISTRATION_ID,SEARCH_ID,HIT_CANDIDATE_ID,SEARCH_DETAILS,CANDIDATE_DETAILS)
SELECT SEARCH.REGISTRATION_ID, SEARCH.Key_NO,CANDIDATE.Key_NO,
'First name='||SEARCH.FIRST_NAME||',Last name='||SEARCH.LAST_NAME||',Birth date='||SEARCH.BIRTH_DATE||',Gender='||SEARCH.GENDER||',Fathers name='||SEARCH.FATHER_NAME||',Mother name='||SEARCH.MOTHER_NAME,
'First name='||CANDIDATE.FIRST_NAME||',Last name='||CANDIDATE.LAST_NAME||',Birth date='||CANDIDATE.BIRTH_DATE||',Gender='||CANDIDATE.GENDER||',Fathers name='||CANDIDATE.FATHER_NAME||',Mother name='||CANDIDATE.MOTHER_NAME
FROM UDB.BIO_RECORDS_DEMOGRAPHICS SEARCH,UDB.BIO_RECORDS_DEMOGRAPHICS CANDIDATE
WHERE (SEARCH.FIRST_NAME!='unknown' OR SEARCH.LAST_NAME!='unknown' OR SEARCH.BIRTH_DATE!='unknown' OR SEARCH.GENDER!='unknown' OR SEARCH.FATHER_NAME!='unknown' OR SEARCH.MOTHER_NAME!='unknown')
AND SEARCH.REGISTRATION_ID != CANDIDATE.REGISTRATION_ID
AND SEARCH.REGISTRATION_ID < CANDIDATE.REGISTRATION_ID
AND (SEARCH.FIRST_NAME='unknown' OR CANDIDATE.FIRST_NAME IN (SEARCH.FIRST_NAME,'unknown'))
AND (SEARCH.LAST_NAME='unknown' OR CANDIDATE.LAST_NAME IN (SEARCH.LAST_NAME,'unknown'))
AND (SEARCH.BIRTH_DATE='unknown' OR CANDIDATE.BIRTH_DATE IN (SEARCH.BIRTH_DATE,'unknown'))
AND (SEARCH.GENDER='U' OR CANDIDATE.GENDER IN (SEARCH.GENDER,'U'))
AND (SEARCH.BIRTH_DATE='unknown' OR CANDIDATE.BIRTH_DATE IN (SEARCH.BIRTH_DATE,'unknown'))
AND (SEARCH.FATHER_NAME='unknown'OR CANDIDATE.FATHER_NAME IN (SEARCH.FATHER_NAME,'unknown'))
AND (SEARCH.MOTHER_NAME='unknown' OR CANDIDATE.MOTHER_NAME IN (CANDIDATE.MOTHER_NAME,'unknown'))
ORDER BY SEARCH.REGISTRATION_ID;
Now it realy meet all my final table requirement.. I am happy.. :)
But again last requirement is like..
In the final BIO_DI_HIT_RESULT table I need to add one more column named as match_count
This column will have values of total no. of exact match field (not unknown) for each records in the BIO_DI_HIT_RESULT.....
One way of duing this is--
Step1: I will use a cursor for traversing through each of the rows in BIO_DI_HIT_RESULT.
Step 2: And based on count of matches in search_details(substring) and candiate_details(substring) I update each and every rows of the table.
It will be very slow.. And for records like 2 million records.. I can't think of this idea. :(
Sooooo,, Is there ANY BETTER WAY OF DOING THIS AS WELL.. BETTER MEANS FAST WAY.. :(
Thanks in advance....
Edited by: user13367608 on Jan 8, 2011 2:13 AM

Comparing values in two consecutive rows?

Hello.
Can I compare the value of the same field in two consecutive rows?
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id int identity(1,1),
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time datetime
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(1, '2011-02-20 12:32:34.172'),
(1, '2011-02-20 12:32:34.172'),
(1, '2011-02-20 12:43:21.004'),
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time
sequence
1 1 2011-02-20 12:30:00.000
00
2 1 2011-02-20 12:32:34.172
00
3 1 2011-02-20 12:32:34.172
01
4 1 2011-02-20 12:32:34.172
02
5 1 2011-02-20 12:46:39.745
00
6 2
2011-02-20 12:48:06.004 00
7 2
2011-02-20 12:48:07.003 00
8 2
2011-02-20 12:48:07.003 01
9 2
2011-02-20 12:46:39.745 00
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Thank You in Advance. :)

create table temp
(id int identity(1,1),
emp_id int,
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(1, '20110220 12:30:00.000'),
(1, '20110220 12:32:34.172'),
(1, '20110220 12:32:34.172'),
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(2, '20110220 12:48:06.004'),
(2, '20110220 12:53:07.733'),
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go
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Erland Sommarskog, SQL Server MVP, [email protected]

Reading the Data from dynamically added rows of a table...

Hi,
              I am using adobe interactive form (WD ABAP) in which i am adding the table rows dynamically (using Jscript code). I have to fech these data into an internal table. But I can read only the first row data..
              Also While adding rows dynamically the same data is repeating for the consecutive rows..
              I have found many similar posts in sdn, but i cannot get the solution. They have mentioned about adding in WDDOINIT method. Can anyone explain me what should be done,..?
1) How to solve repeatative data while adding rows..?
2) How to read dynamically added row data during runtime into internal table..?
Thanks,
Surya.

Discussed @ SDN lot of time before. Have a look at any of below threads:-
Dynamic table in interactive form...
Make dynamic tables in Adobe Interactive forms
Adding Rows dynamically upon clicking the button
How to get values to WebDynpro ABAP from dynamic table?
Chintan

Compare two columns between two tables

Hi all,
I have two separate datasets in Table 1 and Table 2.
Both datasets have Column A First name and Column B Last name in common.
The data in the subsequent columns is different.
Some of the people listed in each table are the same.
I want to delete the people from Table 1 who are in table 2.
If I run a formula like this =COUNTIF(Table 1 :: A2:A200, A2) I can return a 1 or 0, use conditional formatting to colour that cell, sort the table and delete all the rows containing 1.
However that only checks for First Name.
What I need to do is check if First name AND Last name in Table 1 are the same as First Name AND Last Name in Table 2 - and then return a True of False (1 or 0 or anything) in a separate column.
Please help.
Thanks in advance.
M.

Moich wrote:
Presumably this lets me compare multiple values across multiple tables also?
Moich,
As you will see as you become familiar with this function, it can only count rows in one table. The comparison (criteria) values can come from anywhere, but what you are counting are "records" that meet the multiple criteria. A record is one row. I think that was your question, but I'm not positive.
I can't seem to find how to insert formulas into the conditional rules.
You'll have to put the formulas elsewhere and refer to them with simple comparisons.
Jerry

Compare Consecutive Rows in a table

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