SQL & PL/SQL :: Date Format - Do (ORDER BY) By Concatenating Two Columns?
Jun 26, 2013
I want to do 'ORDER BY' by concatenating the two columns(date +varchar2).But not working and geting the error - ORA-01855: AM/A.M. or PM/P.M. required
SQL> create table dat2 (
mod_date date,
am_pm varchar2 (10) ) ; 2 3
Table created.
SQL> INSERT INTO DAT2 ( MOD_DATE, AM_PM ) VALUES (
TO_Date( '06/05/2003 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'), '7:25AM'); 2
1 row created.
[code]...
ERROR at line 2:
ORA-01855: AM/A.M. or PM/P.M. required
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May 16, 2013
10g- 10.2.0
This is my query
select to_char(exp_Date,'Mon-YYYY') dt, count(*) from exp_main
where exp_type like 'Income%Photo%'
group by to_char(exp_Date,'Mon-YYYY')
order by exp_date
When I run this I get :not a GROUP BY expression
If I remove the order by, it works fine.
Is there a way to order by since the output of the query is character-sorted.
I did search online most have suggested to use order by column_name. But does not work for me.
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May 25, 2011
As we know that date datatype can store both date part and time part. If I specify the Date format for my database as 'DD-MM-YYYY HH@$:MI:SS' can i ensure i anyways for a particular columns in the database containing date values the format is 'DD-MM-YYYY' i.e without the time part.Can we specify seperate date formats for specific columsn in database during table creation?
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Nov 28, 2012
column1 column2 column3 column4
12 Mar-21-2005 BDW blah blah blah
11 Feb-07-2001 ZV ha ha ha
12 Jan-02-2002 YM zuck zuck zuckI want a view that has that data like this:
column1 column2
12 Mar-21-2005 - BDW - blah blah blah; Jan-02-2002 - YM - zuck zuck zuck
11 Feb-07-2001 ZV ha ha haCan you help with SQL ?
I tried to use this Oracle LISTAGG function in the SQL, but got a "string concatenation limit exceeded"
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Jan 25, 2012
I have a field (called Date_Time) which displays for example 1/31/2005 12:00:00 AM. I would like to run a query that converts that value to '200501' in a created field.
I tried the following below but I keep having problems.
select Account_Number, Date_Time,
concat(year(Date_Time), month(Date_Time)) as Date_Time_Modified
from table
where Account_Number = xxxx
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Feb 17, 2011
My requirement is to concatenate two column values and place them in a new column.I have done it using self join but it limits the purpose,meaning when I have more than 2 values for grouped columns then it won't work.How to make this dynamic,so that for any number of columns grouped,I can concatenate.
SELECT a.co_nm, a.mnfst_nr, a.mnfst_qty,
a.mnfst_nr || ':' || a.mnfst_qty || ';' || b.mnfst_nr || ':'
|| b.mnfst_qty
FROM vw_acao_critical a JOIN vw_acao_critical b
ON a.co_nm = b.co_nm AND a.mnfst_nr = b.mnfst_nr
[code]......
What will be the case when I need to concatenate for more number of values.
like when co_nm has three bahs and manfst_nr and manfst_qty has 3 values for each for bah.and if three are having same_mnfst nr then I should use something dynamic.how to achieve this.
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Oct 24, 2013
When I run a query form the the Query Window in Visuial Studios 2012 all the date fields truncated to 'mm/dd/yyyy', but i need the full date returned. I am able to get full date from TO_char(MyDateField, 'yyyy-mm-dd hh24:mi:ss'), but if I do TO_DATE(MyDateField, 'yyyy-mm-dd hh24:mi:ss') it only returns 'mm/dd/yyyy'. I'm sure this is a simple setting in Visual studios but I cant find it to save my life. Is there there a way to have the full date returned by default?
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Oct 3, 2012
A field named xxx_date is a text item which we have to enter manually so as to update a record in that particular date. This is a mandatory field without which we cannot continue the data entry..
I am getting this error while trying to update the record
FRM-40509 :Oracle error :unable to update record
I have kept the enabled = yes
required=no
data type=Date.. in the property pallet
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Dec 23, 2012
I want to reset my date to this format: 12/31/2012 11:59:59 PM - see code below:
DECLARE
v_latest_close DATE;
BEGIN
v_latest_close := TO_DATE ('12/31/2012 23:59:59 ','MM/DD/YYYY HH24:MI:SS');
DBMS_OUTPUT.PUT_LINE('The new date format is : '|| v_latest_close);
END;
the code above displays only : 12/31/2012 instead of 12/31/2012 11:59:59 PM
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Apr 30, 2012
i have a table test on 4 different-different database, at the starting structure is same in all the database. and now i want to change the datatype of the primary key column named "testid" , then i add a temp column in test table (and it is added at the last in table).
i have copied the data of testid in temp column and renamed it as testid and i dropped the testid column , then the problem is that primary key column will comes at last and i want to make it like previous position so that there will not be any difference in all 4 database as in structure.
is it possible to changing column order as our desire without dropping the table?and i made all the script to changing the datatype of primary key column.
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Oct 9, 2013
I have a query to pull the first contact of students.
The table has all contacts like parent/guardian, friends family, emergency contact etc.
I would like to the first primary contact in this order,
1. initial contact, 2. same as student address and also have to be parents,
3. live with and also a parent, 4. parents 5. friends.
I don't know how to pull 2 and 3 . because it looks like it needs to concatenate the columns.
here is my initial query
Select Min(U2.Id) Keep (Dense_Rank First Order By U2.Initial_Contact Desc, U2.Same_As_Students_Address Desc,u2.lives_with DESC,U2.Guardian Desc)
From Contacts
how to achieve 2 and 3?
The table script is attached. All the above columns are 1 or 0.
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May 8, 2011
I have an Excel spreadsheet that just had a format change. The fourth column is new. Order of columns in Excel is:
oldcol1
oldcol2
oldcol3
oldcol4
newcol
oldcol5
Sqlldr script is in order of the .csv file just listed. Oracle table is in order
oldcol1
oldcol2
oldcol3
oldcol4
oldcol5
newcol
When I run the sqlldr script, the information is loaded:
oldcol1
oldcol2
oldcol3
oldcol4
newcol in oldcol5
so that all the information is loaded incorrectly. Out side of having to change the table, is there anything I can do to make it load correctly?
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Jul 19, 2012
What should be the order of columns while creating b-tree non-unique index.
Low cardinality first
or
Hight cardinality first
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May 20, 2013
I am trying group by count on Monthly basis, entered_timestamp Column is of DATE datatype.
select count(*),to_char(entered_timestamp,'MM-YYYY') MONTHLY from payments
where type = 'BOOK' group by to_char(entered_timestamp,'MM-YYYY') order by MONTHLY DESC
Above SQL doesn't gives the output in proper order ,
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Jan 26, 2011
I have table called INFO and the column called CREATED_DATE . Now the datatype of CREATED_DATE is of varchar2 . Now If I need to query the table through select statement where I need to order the result based on CREATED_DATE , how can i achieve this ?
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Jun 11, 2010
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE 11.1.0.6.0 Production"
I have Event_month, Event_date in SELECT statement. Results of the query has NULL values as well.. I am doing ORDER BY Event_month, and I want NULL values to be at the top..
SELECT d.event_code_dt, count(d.event_number) count1
FROM main_event a,sec_event d
WHERE a.event_id = d.event_id(+)
GROUP BY d.event_code_dt
ORDER BY d.event_code_dt, count(d.event_number) desc
Results are like this
11-MAY-10
21-MAY-10
22-MAY-10
NULL
And I want results to be like this:
NULL
11-MAY-10
21-MAY-10
22-MAY-10
Same thing happens with Event_month
NULL
Feb 2009
Aug 2009
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Nov 18, 2013
How do you setup a default style for displaying the output columns in sqlplus? The columns look clumsy when queried. They display correctly in Toad but, I wanted to learn through sqlplus and I am relatively new to Oracle world. Here is the DESC of table
SQL> DESC EMP.GROUP_TYPE
Name
Null? Type
-------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-------------- -------- --------------------------------------------------------
------------------------------------------------------------
GROUP_TYPE
[code]...
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Nov 3, 2012
Oracle version : 11.2.0.2 Linux EL6 server
I have a query like below:
select col1, col2, col3, col4
from tab1, tab2, tab3
where conditions
union
[Code]...
Now, the col4 is a date column and I have to order by the entire result sets on it. I know I can do it by (order by col4) or by (order by 4) at the end of the entire query.
But the problem is that, the output is coming in dd-Mon-yyyy (i.e 31-Nov-2012).
I want every output in dd/mm/yyyy format so I need to use to_char function.
But in that case, I cant use the order by clause, because in that case it is getting arranged by character i.e by 1,2,3,4,5 like this.
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Mar 29, 2011
i want to add the JCalendar.jar and JCalendarJinit.jar in order to use the date picker on my forms while using a windows environment,what attributes should i change or edit in the forms/server/formsweb.cfg file and what else am i required to add?
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Aug 5, 2011
I have a question regarding a Date field on one of my form.
How do I make a Date field filter in a descending order when the form is opened? Also, can I add a 'when-mouse-doubleclick' trigger to sort the date field in ascending and descending order (this is a client requirement)?
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Apr 19, 2013
In one of the query used like below is it correct or any need to be correct for date format? currently it's returning two tyoe of sets 1.NUll 2.01-JAN-00
SELECT withdrawn_date
FROM
csd where NVL(csd.withdrawn_date,'01-JAN-1900') = '01-JAN-1900';
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Feb 8, 2012
How do I format a date which is this format to 2/18/2012 to 18/2/2012 and still keep the field as Date.
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Sep 6, 2012
i see my dates in Oracle 11g like this: 2012-December-30 (in all my tables)
how to configure Oracle that i can see it like this: 30/12/2012
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Nov 22, 2012
I have a simple question, hope it has a simple answer. I changed the default date format for a SCHEMA using a TRIGGER and AFTER LOGON, so it set the NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'. It does work fine, however, the problem is when I connect using a client with JDBC driver. When using SQL PLUS I get the date in the format specified above YYYY-MM-DD HH24:MI:SS, however, when using a client (Aqua Data 6.5.8 I know it is kinda old) and SQuirrel SQL 3.4.0 I always get the date in the YYYY-MM-DD format. I started to think that the issue is with the JDBC because it works fine when I connect with SQLPLUS.
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Feb 27, 2012
How can I check if date is in correct format ? I have In parameter for function. It is date. Example:
2011-11-01
How can I check this format ?
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Mar 1, 2010
iam having a table A where column ABC is a varchar field with varchar2(50).
currently data stored is like this.
02-27-2009 11:01:33
02-27-2009 11:01:46
03-06-2009 09:07:18
now i want UTC Date time should be in format 2010-02-24T17:08:09Z. in the above format.
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Nov 9, 2010
I want to change the date format at database level in 10g express edition.
When i try to run the command,
ALTER SYSTEM SET NLS_DATE_FORMAT='DD/MM/YYYY',
it throws error like specified initialisation parametr is not modifiabale with this option.
what are the other ways to chnage the database date format to the desired one.?
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May 6, 2010
follwing is my structure and data in table. COLA has datatype varchar2.data in table is date..... now i want to convert all the dates in 'yyyymmdd' format.
IS it possible?
SQL> select * from taba;
COLA
---------------
1944-02-10
1982-07-20
08/24/1974
03/14/1957
22-Nov-79
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Jul 25, 2011
While am working with Decode just found something, why it is returning like this.
I Ran this query where i have used all the date format as DD/MM/YYYY
SELECT DECODE(TO_DATE('25/04/2001','DD/MM/YYYY') ,
TO_DATE('01/01/1900','DD/MM/YYYY'), NULL ,
TO_DATE('25/04/2001','DD/MM/YYYY')) TEST
FROM DUAL
Quote:
TEST
-------------
25-APR-01
But the resule i got in DD-MON-YY
i tried searching this forum with searching strings Decode date format.. or similer i found nothing.
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Feb 18, 2010
I have below data
SQL> desc IMEI
Name Null? Type
----------------------------------------- -------- ----------------------------
MSISDN NOT NULL VARCHAR2(20)
IMEI NOT NULL VARCHAR2(16)
DATE_MOD NUMBER(13)
IMSI VARCHAR2(18)
ICCID VARCHAR2(20)
T_PROF RAW(20)
EXTRA_DATA VARCHAR2(100)
SQL> select DATE_MOD from IMEI;
DATE_MOD
----------
1.2199E+12
1.2348E+12
1.2278E+12
1.2263E+12
1.2278E+12
1.2378E+12
1.2414E+12
How can I change date_mod to normal date format like year/month/day hour:minutes:second ?
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