get my head wrapped around the LAG function

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• Grouping and the LAG function

  Oracle 10.2.0.4 SE - One on OL 5 x 86-64
  
  Trying to write reports on statspack tables. In view of this query

  select     
  --     s1.ucomment
       w1.event
  ,     s1.snap_id
  ,     to_char(s1.snap_time,'dd-Mon-yyyy hh24:mi:ss') snap_time
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        w1.total_waits - lag(w1.total_waits)
                          over (order by s1.snap_id) delta_val
  ,     lag(w1.time_waited_micro)
  over (order by s1.snap_id) prev_val,
        w1.time_waited_micro - lag(w1.time_waited_micro)
                          over (order by s1.snap_id) delta_val
  from      stats$snapshot s1
  ,     stats$system_event w1
  where s1.snap_id = w1.snap_id
    and w1.event = 'db file sequential read'
  order by w1.event
  ,     s1.snap_id
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  EVENT                                                               SNAP_ID SNAP_TIME              PREV_VAL  DELTA_VAL   PREV_VAL  DELTA_VAL
  ---------------------------------------------------------------- ---------- -------------------- ---------- ---------- ---------- ----------
  db file sequential read                                                   1 25-Apr-2013 11:00:51
  db file sequential read                                                   2 25-Apr-2013 12:00:51     959235      39179  949588625   29088092
  db file sequential read                                                   3 25-Apr-2013 13:00:51     998414      29632  978676717   24938574
  db file sequential read                                                   4 25-Apr-2013 14:00:52    1028046      21547 1003615291   23101379
  
  4 rows selected.

  Works perfectly. But I would like to delete the ' where... w1.event = 'db file sequential read' and get a report on all events. Of course, simply commenting on this condition means that the first occurrence of an event is "shifted" against the last occurrence of the previous event. Can not find a way to get the logic that do break and start the 'delay' all over again.

  You use lag (...) over (partition by the order of the events of snap_id), i.e. "partition by the event" will do lag a ' star on "for each different event

• Wrap around the text - illustrator CS6

  Hi all

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• I get an incorrect value for the MIN function?

  Hello
  
  I get an incorrect value when I run the query below. Here, I'm getting the minimum of the two values. I use the function table of pipeline. This split function the comma separates into single value string. Actuatlly of the sub query min value is 956.23. But he's back 1002.56 as min value. How is it possible?
  
  Other wise, is there another way to get the min of comma-separated string value?
  

  SELECT  MIN(COLUMN_VALUE)
  FROM    TABLE(get_string_comma('956.23,1002.56',','));

  Hello

  I understand your situation, try:

  SELECT  MIN(to_number(COLUMN_VALUE))
  FROM    TABLE(get_string_comma('956.23,1002.56',','));
  

  Kind regards

• Using the LAG function to find a previous record

  Hey,.
  
  I tried searching the forum for this, but I didn't actually even know what to look for, so I create a new thread.
  
  The SQL below displays a list of prices:

  WITH T AS (
    SELECT 1  AS ID, 'PERM' AS TYPE, 100 AS PRICE, SYSDATE + 1 AS START_DATE FROM DUAL UNION
    SELECT 3  AS ID, 'TEMP' AS TYPE, 90  AS PRICE, SYSDATE + 2 AS START_DATE FROM DUAL UNION
    SELECT 7  AS ID, 'TEMP' AS TYPE, 80  AS PRICE, SYSDATE + 3 AS START_DATE FROM DUAL UNION
    SELECT 8  AS ID, 'PERM' AS TYPE, 75  AS PRICE, SYSDATE + 4 AS START_DATE FROM DUAL UNION
    SELECT 16 AS ID, 'TEMP' AS TYPE, 70  AS PRICE, SYSDATE + 5 AS START_DATE FROM DUAL UNION
    SELECT 20 AS ID, 'TEMP' AS TYPE, 60  AS PRICE, SYSDATE + 6 AS START_DATE FROM DUAL UNION
    SELECT 34 AS ID, 'TEMP' AS TYPE, 50  AS PRICE, SYSDATE + 7 AS START_DATE FROM DUAL
  )
    SELECT T.ID
         , T.TYPE
         , T.PRICE
         , TRUNC (T.START_DATE) AS START_DATE
         , CASE 
             WHEN T.TYPE = 'PERM' 
               THEN T.ID 
               ELSE LAG (T.ID, 1, NULL) OVER (PARTITION BY NULL ORDER BY T.ID)
           END AS BASE_ID
      FROM T
  ORDER BY T.START_DATE

  The challenge is to produce this output:

  ID TYPE PRICE BASE_ID
   1 PERM   100       1
   3 TEMP    90       1
   7 TEMP    80       1
   8 PERM    75       8
  16 TEMP    70       8
  20 TEMP    60       8
  34 TEMP    50       8

  What I want to achieve is to bring a column with the ID of the most recent prices of TEMP PERM price.
  and it's own ID of prices of PERM.
  
  My attempt using LAG to browse the set of records, but it uses 1 statically. If there was a way to arrive at a number
  for each TEMP price say to what extent is the most recent Perm, then I could use that number instead of 1.
  
  Something like:

  ID TYPE PRICE DISTANCE_FROM_PREV_PERM
   1 PERM   100                       0
   3 TEMP    90                       1
   7 TEMP    80                       2
   8 PERM    75                       0
  16 TEMP    70                       1
  20 TEMP    60                       2
  34 TEMP    50                       3

  Any help will be greatly appreciated.
  
  Thank you.

  Maybe

  select id,type,price,
         last_value(base_id) ignore nulls over (order by the_row) base_id
  /*     last_value(base_id ignore nulls) over (order by the_row) base_id  -- old way */
    from (select id,type,price,start_date,
                 case type when 'PERM' then id end base_id,
                 row_number() over (order by start_date) the_row
            from t
         )
  

  Concerning

  Etbin

• CS5 - label Wrap around a cylinder (as the label of wine or pop can)

  [This is not a question specific to Windows, I do not exclude this response Mac users, but there is no platform neutral forum here]

  In Photoshop CS3 and earlier, taking a layer, such as a label of a bottle of wine or a jar, wrapping around a cylinder 3D and compositing of a picture (of the real jar or bottle) was almost trivially easy.

  Unfortunately, with the 3D tools made available in CS4 +, the simplicity of the scarf > cylinder option seems to have been lost.

  Wrapping a complex texture around a cylinder (full coverage, up and down) is possible, but what about a packaging label (especially one that has a cut that is to say: not a full coverage)?

  A few quick searches have surprisingly turned up no tutorials on the subject. What was once a simple technique became so technical and obscure?

  Can someone point me to a tutorial (video or written), or provide a list of steps here on this forum?

  Thank you!

  Hello

  Sketch for this exercise is to generate a 3D cylinder, creating illustrations to wrap around the cylinder, duplicate, then modify this work to be used as a mask and then reorganize the 3D on a composite element together.

  Then the basic steps, I used to do this:

  (1) new 1024px x 512px, RGB doc/white background.

  (2) 3D > new mesh from grayscale > cylinder.

  (3) window > 3D. Choose the material 'Background '.

  (4) in the bottom of the 3D Panel, select the texture of contextual opacity and choose 'Remove Texture' (you will add back to step 10).

  (5) in the same box, select texture broadcasts pop up and choose "OpenTexture"... »

  (6) here's where you add the label icon you want to bend around the cylinder. I used a layer style of text layer w/race for this example.

  (7) when you work as you want, layer > duplicate layer to a new file.  This new file will be used for the texture of opacity that masks the area of the label to give you irregular shapes (ie. cut).

  (8) to select all the pixels in the layer and edit them to white, and then on a new layer under black fill. It's your new card of the opacity. Save it in a working directory for use in the next step, and close the file. Also, save and close the file of the work of stage 5/6 (it is stored as a smart object in the original of the stage 1 file)

  (10) back with the original file from step 1 (with the selected 3D layer) in the bottom of the 3D Panel, select the texture of contextual opacity and choose "Load Texture... ». Go to the texture of opacity to step 8 and choose 'open '.

  (11) you should now see just your dress-up work of label in a cylindrical shape. You can use the tool rotation of the 3D camera to visualize the different angles.

  (12) now bring your jar for compositing image. Where is manipulating the 3D layer to align the scale and perspective can get complicated. I try to use the tools of camera 3D for this work (with the object overall scaling an exception). I also use the "Illustration" rendered preset Shaded to help visualize.

  I hope that it becomes to some of your questions. This is a related title of Dr. Brown for CS4 that the interaction of the demos and reinforces aspects of texture mapping: http://tv.adobe.com/watch/the-russell-brown-show/creating-transparent-3d-globe-graphics/

  Kind regards

  Steve

• by using the LAG() and MIN() functions

  So, I try to get the smallest number in a column of an alias I use LAG() in. I know, which makes no sense, so here's what im trying to do with a SQL statement:
  
  Select MIN (NUM1 - lag (num1, 1, 0)) over (ORDER BY NUM1) AS J_LAG ORDER BY HEY HEY
  
  Basically I want the smallest number of the column that I run the lag function on. When I try to it says, ' ORA-30484: lack of specification of the window for this function. I tried to put in brackets the minutes like this: MIN (NUM1 - lag (num1, 1, 0)) and as follows: MIN (NUM1 - lag (num1, 1, 0) over (ORDER BY NUM1)) and none of them does not seem to work.
  
  Any ideas?
  
  -Joshua

  like this ??
  
  Select Min(hey) From (Select num1 - lag(num1,1,0) over(ORDER BY NUM1) As hey From J_LAG)
  

• How to get distinct records by using the ListAgg OBIEE report function?

  Hi all

  I get a correct result as mentioned below. But I don't see duplicates in my result here, in my example, I get duplicate for the name of the employee 'Pat '. So how to get Distinct values by using the LISTAGG function?

  Data set of sample with the Department and its employees

  Service employee

  ----------      ----------

  Marketing Michael

  Pat of marketing

  Pat of marketing

  Pat of marketing

  Purchase of Den

  Purchase of Alexander

  Purchase of Shelli

  Purchase of Sigal

  Guy of purchase

  Purchase of Karen

  Using the ListAgg function, we can convert it to:

  Employees of the Department

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

  Marketing of Pat, Pat, Pat, Michael

  Purchase of Sigal, Shelli, Karen, Guy, Den, Alexander

  I tried a lot of things, but I'm not able to understand how exactly this can be achieved, if anyone has any idea or suggestions please do share, thanks in advance.

  After much research, I found the solution & I want to share what he finds very useful, we can create SQL logic in the Advanced tab, as below and after you click Rescan, and then you will get your desired results.

  SELECT saw_0, Evaluate_Aggr T1.dept ("ListAgg(%1,'' & '') intra group (about 1%)") ("as long as VarChar (1000), T1.emp) saw_1 FROM)

  SELECT 'emp_dept '. "the Department dept,

  'emp_dept '. "' employee ' emp

  IN THE "DOMAIN".

  GROUP BY dept, emp

  ) T1 GROUP FROM T1.dept ORDER BY saw_0

  Also note here that we have good anti-aliasing for columns parent (ex: saw_0, saw_1), another by mistake oracle bi server.

• How can you add code to create the wrapping around an image of the text?

  I have read many responses regarding a text wrapping and padding - but I could not to by adding the code.
  This is one of the pages I work on - Maureen Brouillette: mixed technique: the gallery upstairs
  Thanks for your help!

  Your CSS code already contains classes for floating elements.

  / * ~ ~ various float/clear classes ~ ~ * /.

  .fltrt {/ * This class can be used to float right to the item in your page.} The floating element must precede the element it should be next to the page. */
  float: right;
  left margin: 8px;
  }
  .fltlft {/ * This class can be used to float an element on your page.} The floating element must precede the element it should be next to the page. */
  float: left;
  right margin: 8px;
  }
  .clearfloat {/ * This class can be placed on one}
  or div empty as the final element after the last div floating (in the #container) if the #footer is removed or put out the #container * /.

  Clear: both;
  height: 0;
  font size: 1px;
  line-height: 0px;
  }

  

  Your text will wrap around the floating image...

  

  Your text will wrap around the floating image...

  
  

  Nancy O.

• Partially the text will wrap around multiple aligned images

  I was floating three images on the right side of my site, but the text will only wrap around the bottom image.

  www.insaneskitrain.com/options

  Not sure that I am! I looked at www.insaneskitrain.com/options.html and pictures down further than the text so I t will not wrap until it passes. Maybe I missed your point.