Incremental time based on column date

Hello

My database is 11g. I want to generate incremental time according to the date column column. Help, please:

for example:

SQL> select date from emp order by 1;


DATE
----------
02/12/2012
02/12/2012
02/12/2012
02/12/2012
24/12/2012
24/12/2012
24/12/2012

I want to add values to a time column that contains the values to a number 6 (hhmmss) as follows:


SQL> select date, time from emp;

DATE               TIME
----------------------------------------
02/12/2012        000000
02/12/2012        000001
02/12/2012        000002
02/12/2012        000003
24/12/2012        000000
24/12/2012        000001
24/12/2012        000002
.
.
.
24/12/2012      000059
24/12/2012        000100

The time should reset itself as the date changes.

Why you store DATE and TIME in the form of two different columns? So is TIME column is VARCHAR2 data type?

You can do it

merge into e emp

a_l'_aide_de)

Select empid

, to_char (excerpt (numtodsinterval time (NWR, 'the other')), "fm09")

|| TO_CHAR (extract (minute of numtodsinterval (NWR, 'the other')), "fm09")

|| TO_CHAR (extract ((deuxieme from numtodsinterval (NWR, 'the other')), "fm09") time_value

de)

Select empid

row_number() over (partition by order by empid date_column) rno

WCP

)

) t

on)

e.EmpID = t.empid

)

When matched then

update set e.time_column = t.time_value;

Tags: Database

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    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (8948, 'XX2444', 12810,1, to_date('05-FEB-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (8949, 'XX2444', 12810,1, to_date('05-FEB-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (8950, 'XX2444', 12810,1, to_date('12-FEB-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (9527, 'XX2444', 12810,1, to_date('13-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (9528, 'XX2444', 12810,1, to_date('13-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (9529, 'XX2444', 12810,1, to_date('13-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6739, 'YY7223', 11093,8, to_date('15-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6740, 'YY7223', 11093,8, to_date('21-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6741, 'YY7223', 11093,8, to_date('22-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6742, 'YY7223', 11093,8, to_date('25-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6743, 'YY7223', 11093,8, to_date('26-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6744, 'YY7223', 11093,8, to_date('27-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6745, 'YY7223', 11093,1, to_date('04-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6746, 'YY7223', 11093,1, to_date('11-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6747, 'YY7223', 11093,1, to_date('18-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6748, 'YY7223', 11093,1, to_date('25-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6749, 'YY7223', 11093,11, to_date('01-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6750, 'YY7223', 11093,11, to_date('15-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (6751, 'YY7223', 11093,10, to_date('01-JUL-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11017, 'YY7223', 11093,1, to_date('07-MAY-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11018, 'YY7223', 11093,1, to_date('14-MAY-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11019, 'YY7223', 11093,1, to_date('21-MAY-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11020, 'YY7223', 11093,1, to_date('28-MAY-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11021, 'YY7223', 11093,1, to_date('04-JUN-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11022, 'YY7223', 11093,1, to_date('11-JUN-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11023, 'YY7223', 11093,1, to_date('18-JUN-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11024, 'YY7223', 11093,1, to_date('25-JUN-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11025, 'YY7223', 11093,10, to_date('31-MAY-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (11026, 'YY7223', 11093,10, to_date('30-JUN-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13115, 'YY7223', 11093,1, to_date('13-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13201, 'YY7223', 11093,1, to_date('20-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13287, 'YY7223', 11093,1, to_date('27-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13373, 'YY7223', 11093,10, to_date('08-SEP-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13489, 'YY7223', 11093,8, to_date('01-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13490, 'YY7223', 11093,8, to_date('02-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13491, 'YY7223', 11093,8, to_date('03-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13492, 'YY7223', 11093,8, to_date('04-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13493, 'YY7223', 11093,8, to_date('05-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13494, 'YY7223', 11093,8, to_date('06-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13495, 'YY7223', 11093,8, to_date('07-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13496, 'YY7223', 11093,8, to_date('08-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13497, 'YY7223', 11093,8, to_date('09-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13498, 'YY7223', 11093,8, to_date('10-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13499, 'YY7223', 11093,8, to_date('11-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13500, 'YY7223', 11093,8, to_date('12-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13501, 'YY7223', 11093,8, to_date('13-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13502, 'YY7223', 11093,8, to_date('14-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13503, 'YY7223', 11093,8, to_date('15-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13504, 'YY7223', 11093,8, to_date('16-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13505, 'YY7223', 11093,8, to_date('17-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13506, 'YY7223', 11093,8, to_date('18-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13507, 'YY7223', 11093,8, to_date('19-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13508, 'YY7223', 11093,8, to_date('20-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13509, 'YY7223', 11093,8, to_date('21-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13510, 'YY7223', 11093,8, to_date('22-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13511, 'YY7223', 11093,8, to_date('23-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13512, 'YY7223', 11093,8, to_date('24-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13513, 'YY7223', 11093,8, to_date('25-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13514, 'YY7223', 11093,8, to_date('26-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13515, 'YY7223', 11093,8, to_date('27-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13516, 'YY7223', 11093,8, to_date('28-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13517, 'YY7223', 11093,8, to_date('29-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13518, 'YY7223', 11093,8, to_date('30-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13519, 'YY7223', 11093,8, to_date('31-AUG-15','DD-MON-RR'));

    Insert into DTS_FORM_SAMPLE (ID, CLOCK_NUMBER, EMP_ID, REPORT_TYPE, SUB_DATE) values (13030, 'YY7223', 11093,1, to_date('06-AUG-15','DD-MON-RR'));

    --------------------------------------------------------

    -Table DTS_FORM_SAMPLE constraints

    --------------------------------------------------------

    CHANGE ALTER TABLE 'DTS_FORM_SAMPLE' ('ID' ENABLE NOT NULL);

    /

    Or more simple:

    Select emp_id, w.wk, to_char (wk, 'ww') x

    from (select trunc (date ' 2015-01-01' + 7 * (level - 1), 'ww') wk)

    of the double

    connect by level<=>

    ) o

    left outer join

    s dts_form_sample

    by (emp_id) partition

    We trunc (s.sub_date, 'ww') = w.wk

    where sub_date is null

    order to emp_id,

    x

    /

    EMP_ID WK X
    ---------- --------- --
    11093 1ST JANUARY 15 01
    11093 8 JANUARY 15 02
    11093 15 JANUARY 15 03
    11093 22 JANUARY 15 04
    11093 29 JANUARY 15 05
    11093 5 FEBRUARY 15 06
    11093 12 FEBRUARY 15 07
    11093 19 FEBRUARY 15 08
    11093 26 FEBRUARY 15 09
    11093 5 MARCH 15 10
    11093 12 MARCH 15 11

    EMP_ID WK X
    ---------- --------- --
    11093 19 MARCH 15 12
    11093 26 MARCH 15 13
    11093 2 APRIL 15 14
    11093 9 APRIL 15 15
    11093 16 APRIL 15 16
    11093 23 APRIL 15 17
    11093 30 APRIL 15 18
    11093 37 15 - SEP - 10
    17-SEVEN 11093.-15 38
    24-SEVEN 11093.-15 39
    11093 1 OCTOBER 15 40

    EMP_ID WK X
    ---------- --------- --
    11093 8 OCTOBER 15 41
    11093 15 OCTOBER 15 42
    11093 22 OCTOBER 15 43
    11093 29 OCTOBER 15 44
    11093 5 NOVEMBER 15 45
    11093 12 NOVEMBER 15 46
    11093 19 NOVEMBER 15 47
    11093 26 NOVEMBER 15 48
    11093 3 DECEMBER 15 49
    11093 10 DECEMBER 15 50
    11093 17 DECEMBER 15 51

    EMP_ID WK X
    ---------- --------- --
    11093 24 DECEMBER 15 52
    11093 31 DECEMBER 15 53
    12810 1ST JANUARY 15 01
    12810 8 JANUARY 15 02
    12810 15 JANUARY 15 03
    12810 27 AUGUST 15 35
    12810 15 - SEP - 03 36
    12810 37 15 - SEP - 10
    17-SEVEN 12810.-15 38
    24-SEVEN 12810.-15 39
    12810 1 OCTOBER 15 40

    EMP_ID WK X
    ---------- --------- --
    12810 8 OCTOBER 15 41
    12810 15 OCTOBER 15 42
    12810 22 OCTOBER 15 43
    12810 29 OCTOBER 15 44
    12810 5 NOVEMBER 15 45
    12810 12 NOVEMBER 15 46
    12810 19 NOVEMBER 15 47
    12810 26 NOVEMBER 15 48
    12810 3 DECEMBER 15 49
    12810 10 DECEMBER 15 50
    12810 17 DECEMBER 15 51

    EMP_ID WK X
    ---------- --------- --
    12810 24 DECEMBER 15 52
    12810 31 DECEMBER 15 53

    57 selected lines.

    SQL >

    However OP question must answer is start of week date.

    SY.

  • Confusion of length of column data type

    Hi all

    To learn about my column data type and length, I have run the following query. However, when I confirm it with the table_name desc command, I see that the lengths of data do not correspond. You have an idea?

    > > select column_name | » '|| DATA_TYPE | » ('|| ( data_length|') ' col_info all_tab_columns where table_name = 'CUSTTABLE' and column_name = 'ACCOUNTNUM;

    > > ACCOUNTNUM NVARCHAR2 (24)

    > > desc CUSTTABLE.

    > > ACCOUNTNUM 1 N NVARCHAR2 (12)

    Concerning

    Charlie

    NightWing wrote:

    By the way I couln t understand what were you thinking when you explain to no.

    I missed you NVARCHAR2 column and thought it was VARCHAR2. When you declare the semantics of VARCHAR2 column length is specified explicitly or implicitly. Explicitly suffixing length with BYTE or CHAR and implicitly when you specify the length of the right itself. Then length is based on the value NLS_LENGTH_SEMANTICS session. So let's assume you generate table create statement (and it seems that you is, based on column_name |) » '|| DATA_TYPE | » ('|| ( data_length|') ' ). Then it does not matter if use use data_length or char_col_decl_length. It will be regadless semantics implied length of what you use. Therefore, when you run create table instructions column length will be interpreted as bytes if current NLS_LENGTH_SEMANTICS byte value. But same length is interpreted as the characters if current NLS_LENGTH_SEMANTICS a char value. As you can see, in order to generate create table statement we use explicit semantic length column, otherwise create table statement can produce lengths of different column in the source table.

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  • Missing time based interval readings out

    I'm using oracle 11.2.0.1 Enterprise Edition. And I tried write differently query but unable to go there. Your help is greatly appreciated.

    The query should give out as I explained below.

    This request is to identify gaps in the readings of the interval.

    This is my creation script.
    create table rtype)
    rid the number,
    RDesc varchar2 (30));

    insert into rtype values (1, 5-deviceinterval');
    insert into rtype values (2, 15-deviceinterval');

    create table (reads
    number of DEVICE_ID,
    rid the number,
    number of qstartid
    number of qfinishid
    number of ReadValue,
    date of readtimestamp);

    Insert in the values of readings (123, 1, null, null,.951, to_date (May 1, 2012 00:00:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.51, to_date (May 1, 2012 00:05:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.51, to_date (May 1, 2012 10:00:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.51, to_date (May 1, 2012 15:00:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.51, to_date (May 1, 2012 20:00:00 "," mm/dd/yyyy HH24:MI:SS));))

    Insert in the values of readings (123, 1, null, null,.51, to_date (May 1, 2012 01:00 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.61, to_date (May 1, 2012 01:05 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.41, to_date (May 1, 2012 01:10 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.31, to_date (May 1, 2012 01:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.23, to_date (May 1, 2012 01:20 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.69, to_date (May 1, 2012 01:25 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.85, to_date (May 1, 2012 01:30 ',' mm/dd/yyyy HH24:MI:SS));))

    Insert in the values of readings (123, 1, null, null,.51, to_date (May 1, 2012 02:10 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.61, to_date (May 1, 2012 02:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.41, to_date (May 1, 2012 02:20 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, 1, null,.31, to_date (May 1, 2012 02:25 ',' dd/mm/yyyy HH24:MI:SS));))

    Insert in the values of readings (123, 1, null, 1,.23, to_date (May 1, 2012 03:20 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null, 2.23, to_date (May 1, 2012 03:25 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123, 1, null, null,.23, to_date (May 1, 2012 03:30 ',' mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 16.71, to_date (May 1, 2012 01:00 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 17.81, to_date (May 1, 2012 01:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 191.11, to_date (May 1, 2012 01:30 ',' mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 221.11, to_date (May 1, 2012 01:45 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 61.71, to_date (May 1, 2012 02:00 "," mm/dd/yyyy HH24:MI:SS));))

    Insert in the values of readings (123.2, null, null, 71.81, to_date (May 1, 2012 03:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 911.11, to_date (May 1, 2012 03:30 ',' mm/dd/yyyy HH24:MI:SS));))

    Insert in the values of readings (123.2, null, null, 121.11, to_date (May 1, 2012 04:45 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 61.71, to_date (May 1, 2012 05:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 72,81, to_date (May 1, 2012 05:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (123.2, null, null, 941.11, to_date (May 1, 2012 05:30 "," mm/dd/yyyy HH24:MI:SS));))

    Insert in the values of readings (456,2, null, null, 6.71, to_date (May 1, 2012 01:00 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 7.81, to_date (May 1, 2012 01:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 91.11, to_date (May 1, 2012 01:30 ',' mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 121.11, to_date (May 1, 2012 01:45 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 6.71, to_date (May 1, 2012 02:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 7.81, to_date (May 1, 2012 03:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2,1, null, 91.11, to_date (May 1, 2012 03:30 ',' mm/dd/yyyy HH24:MI:SS));))

    Insert in the values of readings (456,2, null, 1, 121.11, to_date (May 1, 2012 04:45 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 6.71, to_date (May 1, 2012 05:00 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 7.81, to_date (May 1, 2012 05:15 ',' dd/mm/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 91.11, to_date (May 1, 2012 05:30 "," mm/dd/yyyy HH24:MI:SS));))
    Insert in the values of readings (456,2, null, null, 121.11, to_date (May 1, 2012 06:45 ',' dd/mm/yyyy HH24:MI:SS));))

    commit;

    I would like to get an output like below. I have billions of records in the table of readings, and so would have good performance.
    As you can see rtype 1 5 minutes reading interval and rtype 2 is 15 minutes to the reading of time interval.
    Expected output as below.

    DEVICE_ID rtype missing_interval_date_time Qty.
    123 1 05/01/2012 00:30:00
    123 1 05/01/2012 00:35:00
    123 1 05/01/2012 00:40:00
    123 1 05/01/2012 00:45:00
    .
    .
    123 1 05/01/2012 00:55:00

    123 1 01:35 05/01/2012
    123 1 05/01/2012 01:40
    123 1 05/01/2012 01:45
    .
    .
    123 1 02:05 05/01/2012
    123 1 05/01/2012 02:30 1 - since the data on quality starts with qstartid
    123 1 05/01/2012 02:35 1
    123 1 05/01/2012 02:40 1
    123 1 05/01/2012 02:45 1
    .
    .
    123 1 05/01/2012 03:15 1 - data end with qendid quality
    123 1 05/01/2012 03:35
    123 1 05/01/2012 03:40
    .
    .
    123 1 23:55 05/01/2012
    123 2 05/01/2012 00:00:00-(same for the device_id even another rtype with 15 min interval)
    123 2 05/01/2012 00:15:00
    123 2 05/01/2012 00:30:00
    123 2 05/01/2012 00:45:00

    123 2 05/01/2012 02:15
    123 2 05/01/2012 02:30
    123 2 05/01/2012 02:45
    123 2 05/01/2012-03:00

    123 2 05/01/2012 03:45
    123 2 05/01/2012-04:00
    123 2 05/01/2012-04:15
    123 2 05/01/2012-04:30

    123 2 05/01/2012 05:45
    123 2 05/01/2012 05:50
    .
    .
    123 2 23:30 05/01/2012
    123 2 05/01/2012 23:45
    456...



    Basically, there are two rtypes, there are 5 minute interval and has another 15 minutes.

    so, as you can see that missing intervals between below two bed 1st may 2012 00:25:00 ' and may 1, 2012 01:00 ' should be as below since its data every 5 minutes based on rtype = 1

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    123 1 05/01/2012 00:35:00
    123 1 05/01/2012 00:40:00
    123 1 05/01/2012 00:45:00
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    123 1 05/01/2012 00:55:00

    Similarly the readings between two bed 1st may 2012 02:00:00 ' and may 1, 2012 03:15 ' should be as below since its data every 15 minutes based on rtype = 2

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    123 2 05/01/2012 02:30
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    And

    When qstartid 1, means it lacks data range because there are certain quality. So, we just need to point out that these interval data missing due to the quality indicator observed. He has qstartid = 1 means quality reading beginning qfinishid = 1, end of quality data.

    The next part is ends and housing starts of flag of quality. Which means that if there is some other readings such as device failure may cause missing intervals, then in this case, its valid missing intervals and we need to mark that data, so we can not consider as a real lack of range, but its missing due to the interruption intervals, so we need to identify this piece of interval missing due to the quality indicator.
    When qstartid 1, means it lacks data range because there are certain quality. So, we just need to point out that these interval data missing due to the quality indicator observed. He has qstartid = 1 means quality reading beginning qfinishid = 1, end of quality data.



    Insert in the values of readings (123, 1, 1, null,.31, to_date (May 1, 2012 02:25 ',' dd/mm/yyyy HH24:MI:SS));))

    Insert in the values of readings (123, 1, null, 1,.23, to_date (May 1, 2012 03:20 ',' dd/mm/yyyy HH24:MI:SS));))

    Lack of exit of the interval should be

    123 1 05/01/2012 02:30 1 - since the data on quality starts with qstartid
    123 1 05/01/2012 02:35 1
    123 1 05/01/2012 02:40 1
    123 1 05/01/2012 02:45 1
    .
    .
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    ------------------------------------------------------
    I tried several combinations, including after one, but impossible to go
    Select missing all_dates.d
    de)
    Select to_date ('20120501 00:00:00 ', 'YYYYMMDD HH24:MI:SS')-1 + rownum of double d
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    ---------------------------------------------------------

    >
    If possible, can you please give me a plsql sample code to do this?
    >
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/

EMPLOYEE_ID OLD_DEFINITION_REGION_CODE NEW_DEFINITION_REGION_CODE OLD_DEFINITION_DISTRICT_CODE NEW_DEFINITION_DISTRICT_CODE OLD_DEFINITION_TERRITORY_CODE NEW_DEFINITION_TERRITORY_CODE START_DAT END_DATE
----------- -------------------------- -------------------------- ---------------------------- ---------------------------- ----------------------------- ----------------------------- --------- ---------
        299                        223                        224                          334                          335                           445                           446 20-JUL-11 30-AUG-11
        300                        500                        501                          400                          401                           300                           301 20-JUN-11 20-JUL-11

SQL>

    SY.

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