To_Char Time Calculations
Hi
My DB version
===============
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - Production.
Issue
================
i have a table in which a column of current time stamp data. im trying to take the time part out of the time stamp fileld using to_char function.
But the out put differs.
select a.object_name,a.refresh_start,to_char(a.refresh_start,'HH:MM:SS:FF') Time_Begin
from OUKC_Refresh_runtime aOutput of the above SQL
================
object_name refresh_start Time_Begin
ILA_PERFORMANCE_MV 11-MAY-10 02.03.07.100278000 PM 02:05:07:100278
OLN_USER_OFFERING_ENROLL_MV 11-MAY-10 04.27.13.936347000 PM 04:05:13:936347
OLN_REPORT1_MV 11-MAY-10 04.32.17.378745000 PM 04:05:17:378745
ILA_CATEGORY_MV 14-MAY-10 02.02.56.423235000 PM 02:05:56:423235
ILA_CLASSROOM_CATEGORY_MV 14-MAY-10 02.02.56.908533000 PM 02:05:56:908533
ILA_PERFORMANCE_MV 14-MAY-10 02.03.03.601787000 PM 02:05:03:601787
Please note the time of refresh_start and the converted filed it differs ????
thanks
Regards
Raj
The MM is for month, use MI for minutes!
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I have a proceudre which update the tables data and it will capture the execution time for each and every table.
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PFB code(Line nos 25,26,33,73,7679,80 code for exeution time calculation) and output.
1 CREATE OR REPLACE PROCEDURE my_proc
2 IS
3 CURSOR c
4 IS
5 SELECT tablename, TYPE
6 FROM table_list;
7
8 TYPE emp_record IS RECORD (
9 empkey tab1.pkey%TYPE,
10 rid ROWID,
11 ID tab_join.ID%TYPE,
12 dt tab_join.dt%TYPE
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14
15 TYPE emp_type IS TABLE OF emp_record
16 INDEX BY BINARY_INTEGER;
17
18 v_emp emp_type;
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20 TYPE emp_type_rowid IS TABLE OF ROWID
21 INDEX BY BINARY_INTEGER;
22 tab_no Number:=0;
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24 r_cur sys_refcursor;
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28 string2 VARCHAR2 (1000) := ' b WHERE a.empkey = b.empkey';
29 rowcnt Number;
30BEGIN
31 FOR c1 IN c
32 LOOP
33 tab_no:=tab_no+1;
34 v_start_time := SYSTIMESTAMP; /** Added for time calculation*/
35 BEGIN
36 string_d := string1 || c1.tablename || string2;
37
38 OPEN r_cur FOR string_d;
39
40 LOOP
41 FETCH r_cur
42 BULK COLLECT INTO v_emp LIMIT 50000;
43
44 IF v_emp.COUNT > 0
45 THEN
46 FOR j IN v_emp.FIRST .. v_emp.LAST
47 LOOP
48 emp_rowid (j) := v_emp (j).rid;
49 END LOOP;
50
51 upd_string := ' UPDATE ' || c1.tablename || ' SET id = ' || v_emp (1).ID || 'WHERE ROWID = :emp_rowid';
52 FORALL i IN emp_rowid.FIRST .. emp_rowid.LAST
53 EXECUTE IMMEDIATE upd_string
54 USING emp_rowid (i);
55 rowcnt := rowcnt + emp_rowid.COUNT;
56 END IF;
57
58 EXIT WHEN v_emp.COUNT < 50000;
59 v_emp.DELETE;
60 emp_rowid.DELETE;
61 END LOOP;
62
63 v_emp.DELETE;
64 emp_rowid.DELETE;
65
66 CLOSE r_cur;
67 EXCEPTION
68 WHEN OTHERS
69 THEN
70 DBMS_OUTPUT.put_line (SQLERRM);
71 END;
72
73 v_end_time := SYSTIMESTAMP; /** Added for time calculation*/
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77
78 COMMIT;
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80 v_end_time := NULL; /** Added for time calculation*/
81 rowcnt := 0;
82 END LOOP;
83END;
Output :
TableName: exec_time
"TABLE_NAME" "START_TIME" "END_TIME" "EXCUTION_TIME" "NO_OF_RECORDS_PROCESSED"
TAB7 5/29/2013 10:52:23.000000 AM 5/29/2013 10:52:24.000000 AM +00 00:00:00.521707 773
TAB5 5/29/2013 10:52:18.000000 AM 5/29/2013 10:52:15.000000 AM -00 00:00:03.381468 56525
TAB6 5/29/2013 10:52:15.000000 AM 5/29/2013 10:52:23.000000 AM +00 00:00:08.624420 49078
TAB2 5/29/2013 10:51:54.000000 AM 5/29/2013 10:51:42.000000 AM -00 00:00:11.932558 529
TAB4 5/29/2013 10:51:47.000000 AM 5/29/2013 10:52:18.000000 AM +00 00:00:31.208966 308670
TAB1 5/29/2013 10:51:45.000000 AM 5/29/2013 10:51:54.000000 AM +00 00:00:09.124238 65921
TAB3 5/29/2013 10:51:42.000000 AM 5/29/2013 10:51:47.000000 AM +00 00:00:04.502432 12118
Issue: I am getting execution time in negitive values because end_time<start_time coming.
Please suggest me how to resolve this.
Thanks.Welcome to the forum!!
Please read {message:id=9360002} from the FAQ to know the list of details (WHAT and HOW) you need to specify when asking a question.
I primarily hate 3 things in your code
1. The way you have used BULK update which is totally unnecessary
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Your code can be simplified like this
create or replace procedure my_proc
is
v_start_time timestamp;
v_end_time timestamp;
v_rowcnt integer;
begin
for c1 in (
select rownum tab_no
, tablename
, type
from table_list
loop
sql_string := q'[
merge into #tablename# a
using (
select id, dt
from emp_base
) b
on (
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when matched then
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values
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, v_start_time
, v_end_time
, v_end_time - v_start_time
, v_rowcnt
end loop;
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321B 3/5/2010 0.00000Is this possible? (Please note, if the workstation was not used on a particular day, I want it to show 0 hours for that workstation for that day). Another thing to note is that I'm working with Oracle 8i.
Thanks in advance for the help!Thanks, Frank, your explanation helped. My main problem was just that I couldn't picture what that line of the query was doing, even working from the inside out. I learn better through visual and hands-on methods, so to really understand, I had to look at the cross-join of a and h and go line by line. (In case there's anybody who looks at this post in the future and learns like I do, I've posted that data below).
This definitely solves my problem!
>
By the way, this query is full of things that could be done better in later versions of Oracle. Generating table a is just one of them. Starting in Oracle 9, you can do a CONNECT BY query on dual to generate exacly how many rows you need. You never have to worry about an upper bound, and it's much faster than using ROWNUM. From time to time you might gently remind the people who decide these things that you're using a very old, unsupported version of Oracle, and that everyone could be more productive if you upgraded.
>
I could go on and on on this topic.... we have tried and continue to try to convince the powers that be to pay for the upgrades... if it were just Oracle that needed to be upgraded, we might actually have a chance at succeeding. As it is, ...ha.
TABLE A (FROM SUB-QUERY)
a_date next_date
3/1/2010 3/2/2010
3/2/2010 3/3/2010
3/3/2010 3/4/2010
3/4/2010 3/5/2010
3/5/2010 3/6/2010
TABLE H (MY_HRS)
record_id sdatetime edatetime workstation
10000 2/28/2010 18:00 3/1/2010 5:30 123A
12345 3/1/2010 8:00 3/1/2010 13:35 123A
13427 3/1/2010 8:10 3/1/2010 10:02 321B
21543 3/1/2010 14:07 3/1/2010 16:30 123A
22412 3/1/2010 10:15 3/1/2010 15:30 321B
11976 3/1/2010 17:00 3/2/2010 2:30 123A
34215 3/1/2010 22:10 3/2/2010 4:30 321B
24789 3/2/2010 13:00 3/5/2010 2:30 123A
31542 3/2/2010 21:30 3/4/2010 10:30 321B
CROSS-JOIN TABLE A WITH TABLE H (and calculations done by the query below)
record_id sdatetime edatetime workstation a_date next_date LEAST (h.edatetime, a.next_date) GREATEST (h.sdatetime, a.a_date) GREATEST(TO_NUMBER(L-G),0)
10000 2/28/2010 18:00 3/1/2010 5:30 123A 3/1/2010 3/2/2010 3/1/2010 5:30 3/1/2010 0:00 0.229166667
10000 2/28/2010 18:00 3/1/2010 5:30 123A 3/2/2010 3/3/2010 3/1/2010 5:30 3/2/2010 0:00 0.00000
10000 2/28/2010 18:00 3/1/2010 5:30 123A 3/3/2010 3/4/2010 3/1/2010 5:30 3/3/2010 0:00 0.00000
10000 2/28/2010 18:00 3/1/2010 5:30 123A 3/4/2010 3/5/2010 3/1/2010 5:30 3/4/2010 0:00 0.00000
10000 2/28/2010 18:00 3/1/2010 5:30 123A 3/5/2010 3/6/2010 3/1/2010 5:30 3/5/2010 0:00 0.00000
12345 3/1/2010 8:00 3/1/2010 13:35 123A 3/1/2010 3/2/2010 3/1/2010 13:35 3/1/2010 8:00 0.23264
12345 3/1/2010 8:00 3/1/2010 13:35 123A 3/2/2010 3/3/2010 3/1/2010 13:35 3/2/2010 0:00 0.00000
12345 3/1/2010 8:00 3/1/2010 13:35 123A 3/3/2010 3/4/2010 3/1/2010 13:35 3/3/2010 0:00 0.00000
12345 3/1/2010 8:00 3/1/2010 13:35 123A 3/4/2010 3/5/2010 3/1/2010 13:35 3/4/2010 0:00 0.00000
12345 3/1/2010 8:00 3/1/2010 13:35 123A 3/5/2010 3/6/2010 3/1/2010 13:35 3/5/2010 0:00 0.00000
13427 3/1/2010 8:10 3/1/2010 10:02 321B 3/1/2010 3/2/2010 3/1/2010 10:02 3/1/2010 8:10 0.07778
13427 3/1/2010 8:10 3/1/2010 10:02 321B 3/2/2010 3/3/2010 3/1/2010 10:02 3/2/2010 0:00 0.00000
13427 3/1/2010 8:10 3/1/2010 10:02 321B 3/3/2010 3/4/2010 3/1/2010 10:02 3/3/2010 0:00 0.00000
13427 3/1/2010 8:10 3/1/2010 10:02 321B 3/4/2010 3/5/2010 3/1/2010 10:02 3/4/2010 0:00 0.00000
13427 3/1/2010 8:10 3/1/2010 10:02 321B 3/5/2010 3/6/2010 3/1/2010 10:02 3/5/2010 0:00 0.00000
21543 3/1/2010 14:07 3/1/2010 16:30 123A 3/1/2010 3/2/2010 3/1/2010 16:30 3/1/2010 14:07 0.09931
21543 3/1/2010 14:07 3/1/2010 16:30 123A 3/2/2010 3/3/2010 3/1/2010 16:30 3/2/2010 0:00 0.00000
21543 3/1/2010 14:07 3/1/2010 16:30 123A 3/3/2010 3/4/2010 3/1/2010 16:30 3/3/2010 0:00 0.00000
21543 3/1/2010 14:07 3/1/2010 16:30 123A 3/4/2010 3/5/2010 3/1/2010 16:30 3/4/2010 0:00 0.00000
21543 3/1/2010 14:07 3/1/2010 16:30 123A 3/5/2010 3/6/2010 3/1/2010 16:30 3/5/2010 0:00 0.00000
22412 3/1/2010 10:15 3/1/2010 15:30 321B 3/1/2010 3/2/2010 3/1/2010 15:30 3/1/2010 10:15 0.21875
22412 3/1/2010 10:15 3/1/2010 15:30 321B 3/2/2010 3/3/2010 3/1/2010 15:30 3/2/2010 0:00 0.00000
22412 3/1/2010 10:15 3/1/2010 15:30 321B 3/3/2010 3/4/2010 3/1/2010 15:30 3/3/2010 0:00 0.00000
22412 3/1/2010 10:15 3/1/2010 15:30 321B 3/4/2010 3/5/2010 3/1/2010 15:30 3/4/2010 0:00 0.00000
22412 3/1/2010 10:15 3/1/2010 15:30 321B 3/5/2010 3/6/2010 3/1/2010 15:30 3/5/2010 0:00 0.00000
11976 3/1/2010 17:00 3/2/2010 2:30 123A 3/1/2010 3/2/2010 3/2/2010 0:00 3/1/2010 17:00 0.29167
11976 3/1/2010 17:00 3/2/2010 2:30 123A 3/2/2010 3/3/2010 3/2/2010 2:30 3/2/2010 0:00 0.10417
11976 3/1/2010 17:00 3/2/2010 2:30 123A 3/3/2010 3/4/2010 3/2/2010 2:30 3/3/2010 0:00 0.00000
11976 3/1/2010 17:00 3/2/2010 2:30 123A 3/4/2010 3/5/2010 3/2/2010 2:30 3/4/2010 0:00 0.00000
11976 3/1/2010 17:00 3/2/2010 2:30 123A 3/5/2010 3/6/2010 3/2/2010 2:30 3/5/2010 0:00 0.00000
34215 3/1/2010 22:10 3/2/2010 4:30 321B 3/1/2010 3/2/2010 3/2/2010 0:00 3/1/2010 22:10 0.07639
34215 3/1/2010 22:10 3/2/2010 4:30 321B 3/2/2010 3/3/2010 3/2/2010 4:30 3/2/2010 0:00 0.18750
34215 3/1/2010 22:10 3/2/2010 4:30 321B 3/3/2010 3/4/2010 3/2/2010 4:30 3/3/2010 0:00 0.00000
34215 3/1/2010 22:10 3/2/2010 4:30 321B 3/4/2010 3/5/2010 3/2/2010 4:30 3/4/2010 0:00 0.00000
34215 3/1/2010 22:10 3/2/2010 4:30 321B 3/5/2010 3/6/2010 3/2/2010 4:30 3/5/2010 0:00 0.00000
24789 3/2/2010 13:00 3/5/2010 2:30 123A 3/1/2010 3/2/2010 3/2/2010 0:00 3/2/2010 13:00 0.00000
24789 3/2/2010 13:00 3/5/2010 2:30 123A 3/2/2010 3/3/2010 3/3/2010 0:00 3/2/2010 13:00 0.45833
24789 3/2/2010 13:00 3/5/2010 2:30 123A 3/3/2010 3/4/2010 3/4/2010 0:00 3/3/2010 0:00 1.00000
24789 3/2/2010 13:00 3/5/2010 2:30 123A 3/4/2010 3/5/2010 3/5/2010 0:00 3/4/2010 0:00 1.00000
24789 3/2/2010 13:00 3/5/2010 2:30 123A 3/5/2010 3/6/2010 3/5/2010 2:30 3/5/2010 0:00 0.10417
31542 3/2/2010 21:30 3/4/2010 10:30 321B 3/1/2010 3/2/2010 3/2/2010 0:00 3/2/2010 21:30 0.00000
31542 3/2/2010 21:30 3/4/2010 10:30 321B 3/2/2010 3/3/2010 3/3/2010 0:00 3/2/2010 21:30 0.10417
31542 3/2/2010 21:30 3/4/2010 10:30 321B 3/3/2010 3/4/2010 3/4/2010 0:00 3/3/2010 0:00 1.00000
31542 3/2/2010 21:30 3/4/2010 10:30 321B 3/4/2010 3/5/2010 3/4/2010 10:30 3/4/2010 0:00 0.43750
31542 3/2/2010 21:30 3/4/2010 10:30 321B 3/5/2010 3/6/2010 3/4/2010 10:30 3/5/2010 0:00 0.00000
(Then, the query sums up the last column in the "table" above, grouped by a_date and workstation). -
Time - Calculating "Minutes Per MIle"
For years, I have using an Excel spreadsheet to input my running times. I have a column for "miles", one for "Time" (hours, minutes, second using a "date" cell format) and a column entitled "Minutes per Mile." The formula for obtaining the Minutes per Mile is simple: Miles/Time or "=D15/D14" for example. But when I import my Excel file into Numbers, it cannot correctly populate the "Minutes per Mile" cell. A warning message states: "the Operator "/" expects a number, but cell D14 contains a date."
How can I make this work in Numbers?Thank you, Terry but it still doesn't work. I had to modify the formula you gave me as follows:
=C15/(TIMEVALUE(D15)*1440)
C15 is the actual number of miles, for example 13.4 (this cell is formatted as a number); D15 is total time of the run (hopefully you refer to this as the Minutes column), 2:37:57 AM (this cell is formated as Time using the cell inspector as you suggested); and E15 is the minutes per mile (this is also formatted as Time). When I insert the formula into cell E15, I receive an answer of 0.09. I don't know what that means; the time should have been 11:47 meaning 11 minutes and 47 seconds per mile. Am I formatting the cells incorrectly or is it the formula? I tried opening the Excel file in a program called NeoOffice and the calculation worked just fine. This is driving me crazy. Can you give me some more assistance? Finally, you are talking about "Numbers" not "Pages", right! -
Numbers: Cell time calculation not adding the correct time
Greetings,
First, thank you in advance for your assistance. I have searched the board and where there are many great formulas, I have not found the answer to this challenge.
Cell A1 has a time for example 5:45 PM
Cell C1 has an amount of minutes for example 40
Cell B1 should be adding 40 minutes to 5:45 PM for result of 6:25 PM
Cell A2 picks up the value of Cell B1 as its starting value so that it can calculate the same formula for the next line.
This document is a schedule so that it adjusts the times based on the amount of minutes a segment is. I can post an excel file if that will assist, the excel formula for this in the B cell is A1+TIME(0,C1,0)
Again thank you in advance for any assistance in solving this challenge.
John=TIME(HOUR(A),MINUTE(A)+C,0)
• Every time I may use them, I uses the "short references", those with no row num embedded.
• The TIME function requires three parameters,
a number of hours,
a number of minutes
a number of seconds
but the formula parser is fair enough to understand that, when the given number of minutes is greater than 59, it means some hours + some minutes.
And of course, mutatis mutandis, it's the same for the number of seconds.
This is why, when I want to display with the current format hh:mm:ss a decimal time value as those resulting of calculations, I don't spent time to isolate the number of hours, the number of minutes, the number of seconds. I just calculate the total number of seconds.
if cell B2 contains 0.1234490740741
I type =TIME(0,0,B24*6060) in cell C2
Then, applying the yy:mm:ss format I get 02:57:46
inserting =TIMEVALUE(C) in D2, I get 0.1234490740741
I know that this behavior is not described in the Help.
I don't feel that it's a sin.
It's for passing this kind of details that the forum exists.
I feel perfectly odd questions whose response is available in the Help but it's always a pleasure to help users to discover features which are only available "between the lines".
Yvan KOENIG (from FRANCE vendredi 4 juillet 2008 14:48:21) -
I am creating a new timesheet Which uses a table with a add time/remove time buttons.
The basic table has a Time In row and a Time Out row. In the footer row Itotal each day. That is no problem as i am using the same script I use in other forms.
The problem occurs is when you click the Add Time button and now another instance of the Time In and Time Out rows are added.
How do I now calculate that time and add the 2 together. I can add up to an additional 2 instances. Below is my script for just calculating the basic time for Sunday.
Thanks,
Craig
var vTime1 = Times.TimeIn.in1Sun1.rawValue;
if (vTime1.length == 4 && vTime2.length == 4) {
var vTime1Minutes = parseInt(vTime1.substring(0, 1))*600 + parseInt(vTime1.substring(1, 2))*60 + parseInt(vTime1.substring(2, 4));
var vTime2Minutes = parseInt(vTime2.substring(0, 1))*600 + parseInt(vTime2.substring(1, 2))*60 + parseInt(vTime2.substring(2, 4));
this.rawValue = (vTime2Minutes - vTime1Minutes)/60;
var vTime2= Times.TimeIn.out1Sun1.rawValue;Hi,
This is the forum to discuss questions and feedback for Microsoft Office, I'll move your question to the Power Pivot forum
http://social.technet.microsoft.com/Forums/sqlserver/en-US/home?forum=sqlkjpowerpivotforexcel
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.
George Zhao
TechNet Community Support
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