LAST_UPDATE_DATE audit column (sysdate times)
HelloI have an interactive report + page of form on a table (with the attribute called LAST_UPDATE_DATE). I am populating this column by using the element in the form of
TO_DATE(SYSDATE, 'DD-MON-RRRR HH24:MI:SS') Tried workaround solutions:
1. Instead of TO_DATE(SYSDATE, 'DD-MON-RRRR HH24:MI:SS'), I used the expression
TO_DATE(TO_CHAR(SYSDATE, 'DD-MON-RRRR HH24:MI:SS'), 'DD-MON-RRRR HH24:MI:SS')
which works fine when executing directly in DB.
2. Altering the session by : alter session set nls_date_format = 'DD-MON-YYYY HH24:MI:SS';Thank you
Mary
Good then build something hidden with the default value being generated by:
Select systimestamp
Double;
have a page that updates the column in the table was updated with this value if the registration key...
Thank you
Tony Miller
Webster, TX
Tags: Database
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SELECT
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|| ' '
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I can reproduce the effect in 11.2.0.1 - but not in 12.1.0.1.
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create table tbl_1
as
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, lpad ('* ', 50,' *') padding
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connect by level<=>
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Update 'TBL_1"set"COL_4"= 100
call the query of disc elapsed to cpu count current lines
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.02 0 1 0 0
Run 1 11,63 33.56 8336 1016125 2053531 1000000
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Total 2 11,63 33,58 8336 1016126 2053531 1000000
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Hello world
I have a small question, but I can't find the answer. Can someone help me with this one? Look at this example:
This returns:WITH T AS ( SELECT 'a' as Name, 1 as v FROM DUAL UNION ALL SELECT 'a' as Name, 2 as v FROM DUAL UNION ALL SELECT 'a' as Name, 2 as v FROM DUAL UNION ALL SELECT 'b' as Name, 1 as v FROM DUAL UNION ALL SELECT 'b' as Name, 1 as v FROM DUAL UNION ALL SELECT 'b' as Name, 2 as v FROM DUAL ) SELECT DISTINCT name, COUNT(DECODE(v, 1, 1, null)) OVER (PARTITION BY name ORDER BY v) as v1, COUNT(DECODE(v, 2, 1, null)) OVER (PARTITION BY name ORDER BY v) as v2 FROM T ORDER BY 1;
But what I need in a single row with the count of 1 and 2 by name. How can I get without using subqueries as (the following query returns the correct result)NAME V1 V2 ---- ---------------------- ---------------------- a 1 0 a 1 2 b 2 0 b 2 1
The table I'm working on that has millions of records with subqueries it takes forever to run. The one with the analytical function takes less than 3 seconds.WITH T AS ( SELECT 'a' as Name, 1 as v FROM DUAL UNION ALL SELECT 'a' as Name, 2 as v FROM DUAL UNION ALL SELECT 'a' as Name, 2 as v FROM DUAL UNION ALL SELECT 'b' as Name, 1 as v FROM DUAL UNION ALL SELECT 'b' as Name, 1 as v FROM DUAL UNION ALL SELECT 'b' as Name, 2 as v FROM DUAL ) SELECT DISTINCT t.name, (SELECT COUNT(*) FROM T z WHERE z.name = t.name and z.v = 1), (SELECT COUNT(*) FROM T z WHERE z.name = t.name and z.v = 2) FROM T t ORDER BY 1;
Thanks for your help!If I understand correctly, you need a global tally, not an analytical account. Something like:
SQL> WITH T AS ( 2 SELECT 'a' as Name, 1 as v FROM DUAL 3 UNION ALL 4 SELECT 'a' as Name, 2 as v FROM DUAL 5 UNION ALL 6 SELECT 'a' as Name, 2 as v FROM DUAL 7 UNION ALL 8 SELECT 'b' as Name, 1 as v FROM DUAL 9 UNION ALL 10 SELECT 'b' as Name, 1 as v FROM DUAL 11 UNION ALL 12 SELECT 'b' as Name, 2 as v FROM DUAL) 13 SELECT name, COUNT(DECODE(v, 1, 1, null)) v1, 14 COUNT(DECODE(v, 2, 1, null)) v2 15 FROM T 16 GROUP BY name 17 ORDER BY 1; N V1 V2 - ---------- ---------- a 1 2 b 2 1John
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Made with multi date columns to the dimension of time
Hello world
First let see my script:
I have the control panel with these columns
order_no (int),
create_date (date),
approve_date (date)
close_Date (date)
----
I have a time hierarchy dimension: time
I want to see at the time of the hierarchy, how many orders created, approved and closed for each time part(year,quarter,month,..) as below:
Date | created | approved | closed
————————————————------------------------
2007-1st quarter | 50. 40 | 30
2007 - q2 | 60. 20 | 10
Q3-2007 | 10. 14 | 11
2007-4th quarter | 67. 28 | 22
Q1-2008 | 20. 13 | 8
Q2-2008 | 55. 25 | 20
Q3-2008 | 75. 35 | 20
Q4-2008 | 90. 20 | 2
…
My solution:
Physical layer;
1. I create an order f alias as the fact table for the roll of the order
2 i joined f-ordered with d-time (time alias) on f_order.created_Date = d - time.day_id
3 - I added 2 logical column with the formula of the measures:
Sum aggregation is_approved(If approve_date= THEN 0 else 1)
Sum aggregation is_closed(If closed_date= THEN 0 else 1)
order_no (will use to measure aggregation created County
When I create the report in analytics in the generated query he used created_date and this isn't what I expected!
What is the best solution?
1-
If I have to create 3 is of the order: f_order_created, f_order_approved, f_order_closed and join each other on these columns d-time?
f_order_created.created_Date = d - time.day_id
f_order_approved.approved_Date = d - time.day_id
f_order_closed.closed_Date = d - time.day_id
2-do you create my fine measure?
Hello anonymous user,.
The approach with three done alias that you then use in three separate sources of logical table for your logical fact is the right one. This way, you keep canonical once and did do the role play.
So you won't need to 3 facts in the layer of logic that you ask above, but only 3 LTS. Physically, you need 3 alias joined the dimension of time with the join specifications you mention of course.
PS: Jeff wrote about this a few years if you want to take a look.
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Hello
I did some research on the internet before this announcement, but I could find enough information.
"One time" column in dbms_xplan.display_cursor is summed up?
(hope this execution plan is reasonably legible)--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | Id | Operation | Name | Starts | E-Rows | A-Rows | A-Time | Buffers | Reads | OMem | 1Mem | Used-Mem | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 | | 155 |00:06:36.28 | 4957K| 34952 | | | | | 1 | SORT ORDER BY | | 1 | 1 | 155 |00:06:36.28 | 4957K| 34952 | 55296 | 55296 |49152 (0)| | 2 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.04 | 4957K| 34952 | | | | | 3 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.04 | 4957K| 34952 | | | | | 4 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.04 | 4957K| 34952 | | | | | 5 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.04 | 4956K| 34952 | | | | | 6 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.04 | 4956K| 34952 | | | | | 7 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4956K| 34952 | | | | | 8 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4956K| 34952 | | | | | 9 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4956K| 34952 | | | | | 10 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4955K| 34952 | | | | | 11 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4955K| 34952 | | | | | 12 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4955K| 34952 | | | | | 13 | NESTED LOOPS | | 1 | 1 | 155 |00:06:30.03 | 4954K| 34952 | | | | |* 14 | HASH JOIN | | 1 | 1 | 155 |00:06:30.03 | 4954K| 34952 | 872K| 872K| 927K (0)| | 15 | VIEW | | 1 | 15 | 8 |00:06:28.63 | 1305K| 34883 | | | | |* 16 | FILTER | | 1 | | 8 |00:06:28.63 | 1305K| 34883 | | | | | 17 | HASH GROUP BY | | 1 | 15 | 8 |00:06:28.63 | 1305K| 34883 | 760K| 760K| 1077K (0)| | 18 | VIEW | | 1 | 15 | 341 |00:00:50.44 | 1305K| 34883 | | | | | 19 | UNION-ALL | | 1 | | 341 |00:00:50.44 | 1305K| 34883 | | | | | 20 | VIEW | V_POSNR_2011000 | 1 | 7 | 303 |00:00:50.44 | 645K| 31282 | | | | | 21 | UNION-ALL | | 1 | | 303 |00:00:50.44 | 645K| 31282 | | | | | 22 | VIEW | V_POSNR_0200011 | 1 | 2 | 20 |00:00:50.42 | 429K| 31244 | | | | | 23 | UNION-ALL | | 1 | | 20 |00:00:50.42 | 429K| 31244 | | | | | 24 | NESTED LOOPS | | 1 | 1 | 20 |00:00:50.42 | 376K| 28979 | | | | |* 25 | HASH JOIN | | 1 | 1 | 20 |00:00:50.42 | 376K| 28979 | 1096K| 1096K| 1348K (0)| |* 26 | TABLE ACCESS BY INDEX ROWID | PROPERTIES | 1 | 6 | 2651 |00:00:00.02 | 2131 | 0 | | | | |* 27 | INDEX RANGE SCAN | P_SETAALDATE_IDX | 1 | 6 | 2651 |00:00:00.01 | 21 | 0 | | | | | 28 | VIEW | VW_JF_SET$7992605D | 1 | 2 | 504 |00:02:30.85 | 374K| 28979 | | | | | 29 | UNION-ALL | | 1 | | 504 |00:02:30.85 | 374K| 28979 | | | |
I thought that the columns A-time indicates the time of the operation in question (summarizing all time from the operation of the child)
but this seems different:
Line 25 is a JOIN hash including a tableTABLE (1) the ACCESS BY INDEX ROWID and (2) the result of a VIEW|* 25 | HASH JOIN | | 1 | 1 | 20 |00:00:50.42 | 376K| 28979 | 1096K| 1096K| 1348K (0)| |* 26 | TABLE ACCESS BY INDEX ROWID | PROPERTIES | 1 | 6 | 2651 |00:00:00.02 | 2131 | 0 | | | | |* 27 | INDEX RANGE SCAN | P_SETAALDATE_IDX | 1 | 6 | 2651 |00:00:00.01 | 21 | 0 | | | | | 28 | VIEW | VW_JF_SET$7992605D | 1 | 2 | 504 |00:02:30.85 | 374K| 28979 | | | |
The Timing of the HASH (line 25) JOIN is 00:00:50.42, but the timing of the VIEW is 00:02:30.85 who ought both to complete before you chop it can happen
So I thought the HASH JOIN would be (at least) a schedule of the 00:02:30.85 of the VIEW, plus the 00:00:00.02 of the TABLE ACCESS BY INDEX ROWID.
But it seems that it is a misconception, can anyone shed light on this?
Best regards
Published by: x45r32 on April 4, 2012 08:25
Published by: x45r32 on April 4, 2012 08:46Hello
How do you collect statistical plan - via STATISTICS_LEVEL = ALL or gather_plan_statistics reference to the declaration?
The indicator is known for producing inaccurate schedules from time to time (has to do with the sampling frequency), STATISTICS_LEVEL = ALL should be more specific.
Best regards
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