Get the number of the month

DB version: 10 gr 2

I was asked to give a slow query performance.

I think that he is trying to get the number of months (as of June 6, July 7) after a few months to add logic. I replaced the column date with sysdate.

The query looks like
SELECT TO_NUMBER(TO_CHAR(ADD_MONTHS(TO_DATE('01-'||TO_CHAR(sysdate,'MON-RRRR'),'DD-MON-RRRR'),3),'MM')) from dual
Is there room for improvement?

Hello

What is

select EXTRACT(MONTH FROM sysdate) from dual;

Concerning
Peter

Tags: Database

Similar Questions

  • Is there one way other than to_char to get the month of the date field

    Is there one way other than to_char to get the month of the date field

    Hello

    raj4tech wrote:

    Is there one way other than to_char to get the month of the date field

    EXTRACT is one:

    SELECT INTERESTED (SYSDATE MONTHS) AS curr_month

    DOUBLE;

  • get the month and year of date type

    Hi all
    I need to get the month and year of type date.

    For example
    select to_date('2011-01-17', 'yyyy-mm-dd') from dual;
    Required result:
    01-2011
    Any ideas?

    Thanks in advance,
    Bahchevanov. 
    select to_char(to_date('2011-01-17', 'yyyy-mm-dd'),'mm-yyyy') from dual;

    HTH

  • How to get the month previous year?

    Hello

    I have to get the previous year three-months of the effective date, but I have a problem since the beginning of the year and it's because I set the incorrect query.

    I mean:

    I wrote this query

    SELECT TO_CHAR(SYSDATE,'YYYYMM')-1, 2-TO_CHAR(SYSDATE,'YYYYMM'), TO_CHAR(SYSDATE,'YYYYMM')-3

    FROM DUAL;

    in order to get (on mars):

    201502, 201501, 201412

    but unfortunately, I get:

    201502, 201501, 201500

    Can you help me?

    Thanks in advance!

    Hello

    Here's one way:

    SELECT TO_CHAR (ADD_MONTHS (SYSDATE-1), "YYYYMM") AS the m1

    , TO_CHAR (ADD_MONTHS (SYSDATE-2), "YYYYMM") AS m2

    , TO_CHAR (ADD_MONTHS (SYSDATE,-3), "YYYYMM") M3

    DOUBLE;

  • to get the month and year separated

    Hello

    I have the entry_date_fin of column (type of data-varchar2 (8))

    with values like Apr.-2008
    Feb-2009 etc.

    can I get the distinct month and year separated
    i tried select to_date(entry_date_fin,'MM') FROM  xyz  doesnt wrk
    kindly guide me

    Although you are (wrongly, IMO) storage of dates as strings, just use string manipulation...

    SQL> with t as (select 'FEB-2008' as txt from dual)
  2  --
  3  select substr(txt,1,3) as mnth
  4        ,substr(txt,5) as yr
  5  from t
  6  /

MNT YR
--- ----
FEB 2008

SQL>

  • GET THE MONTH

    Hello

    I need to generate months between two bays. Last span should be up to sysmonth. I appreciate your time.

    With the help of 10g or 11g
    EFFECTIVE_MONTH     DIST_ID     SHOP_ID     SHOP_NAME
01/01/2008     P00112     PFR00809     TOKEN GLASSES
06/01/2009     P00112     PFR00536     MAVALI GLASSES
    Required result
    EFFECTIVE_MONTH     DIST_ID     SHOP_ID     SHOP_NAME     SHOP_MONTH
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Jan-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Feb-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Mar-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Apr-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-May-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Jun-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Jul-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Aug-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Sep-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Oct-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Nov-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Dec-2008
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Jan-2009
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Feb-2009
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Mar-2009
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-Apr-2009
1-Jan-2008     P00112     PFR00809     TOKEN GLASSES     1-May-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jun-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jul-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Aug-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Sep-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Oct-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Nov-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Dec-2009
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jan-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Feb-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Mar-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Apr-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-May-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jun-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jul-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Aug-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Sep-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Oct-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Nov-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Dec-2010
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jan-2011
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Feb-2011
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Mar-2011
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Apr-2011
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-May-2011
1-Jun-2009     P00112     PFR00536     MAVALI GLASSES     1-Jun-2011

    Hello

    Here's one way:

    WITH     got_month_cnt     AS
(
     SELECT     effective_month
     ,     dist_id
     ,     shop_id
     ,     shop_name
     ,     MONTHS_BETWEEN ( LEAD ( effective_month
                              , 1
                          , ADD_MONTHS ( TRUNC (SYSDATE, 'MONTH')
                                       , 1
                                 )
                          ) OVER ( PARTITION BY  dist_id
                                ORDER BY      effective_month
                              )
                    , effective_month
                    )     AS month_cnt
     FROM    table_x
)
SELECT       c.effective_month
,       c.dist_id, c.shop_id, c.shop_name
,       ADD_MONTHS ( c.effective_month
                 , m.column_value - 1
               ) AS shop_month
FROM             got_month_cnt       c
CROSS JOIN      TABLE ( CAST ( MULTISET ( SELECT  LEVEL
                                          FROM    dual
                                CONNECT BY     LEVEL     <= c.month_cnt
                            ) AS sys.odcinumberlist
                 )      ) m
;

    I'm just guessing at what role (if any) dist_id, shop_id and shop_name play in this issue.

    I hope that answers your question.
    If not, post a small example data (CREATE TABLE and only relevant columns, INSERT statements) and also publish outcomes from these data.
    Explain, using specific examples, how you get these results from these data.
    Always tell what version of Oracle you are using.

    Published by: Frank Kulash, June 8, 2011 17:38

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    I have a column in my form which lists the days in a month. I want to configure a hidden field that calculates the total number of days in a month, based on the month and year of the field inputs. The number of days will determine what appears on the column. For example, if I put 4 months, and 2016 in the field of the year, I get 30 in the hidden field. Thus, on the column 'Day', I'll have numbers 1-30. Or if I put 2 months and 2016 in the field of the year, I get the 29 in the hidden field. If the numbers 1-29 appears in the column 'day '.

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    //February
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    I would like to consider making more general code, so if you have a date string that includes at least the month and year we could just call the function and get the number of days for that month.

    The following script will calculate the number of days in a month, by using at least the month and year values can display the result on the JavaScript console and all of the value field for the field that has this code as the custom calculation Script.

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    1 jan
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    August 0
    2 sep
    Oct 0
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    SQL >

    SY.

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    For example, if I choose to Jan & 2011, I'd get 31 and 356. And if I choose Feb & 2011, I would get 28 and 356.

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    I have something more good option here... Try to use this

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    Hi I need to get the exact number of months between the dates. So if I'm Sysdate - to_date(31-JAN-2011) I should get something like 8.4 months. Months_between function doesn't quite give me what I need. Is it possible that I can do this?

    876056 wrote:
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---------- ----------
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    Hello

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 10  ------------ Sample data -------------
 11  )
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 15          , greatest(trunc(to_date(yr,'yyyy'),'year') , trunc(startdt,'month'))
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 17  from s;

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---------- ---------- ---------- ----------
01/03/2009 28/02/2010       2009         10
01/03/2009 28/02/2010       2010          2
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