Updated single Timestamp column

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• Update a BLOB column

  Hello

  I have Oracle XE 11.2.0 loaded on a Windows Server.  It works very well.  I use Apex 4.1 on break as well.

  In a table, I have a column (LIST_FILE) that contains the name of a file and does not include the file extension.  Recently, I added a BLOB (LIST_PDF) column to this table.

  I would like to create SQL to update each row of this table by inserting PDF file into the blob.  For each row in the table, there is a file beginning with value in LIST_FILE and followed by a period and PDF (.) (PDF).  File1.PDF, File2, PDF, etc.  The windows directory that contains the PDF files can be moved anywhere on the windows server.

  How to build the SQL to update the BLOB column?

  Thanks for your help.

  Hi, PhilMan2

  You cannot load the PDF by single SQL. It must be the script on PL/SQL. Visit this link to find out how you can make your task How to insert blob in the database file

  ---

  English is not my mother tongue; Please forgive my faults

• update of two columns at once

  HI can update us two columns at once by the regular update by mentioning two where clauses with respect to columns

  The where clause decide which set of lines will be updated.
  For example, if the set of rows is not the same for your two columns you must use two sentences--update.
  If the rowset is the same for your two columns you can use a single update statement (but then the where clause will be the same).

  Published by: 87076 on 31.01.2011 02:52

• ORA-1866 when you try to change the precision of the timestamp column

  Hello
  
  I use Oracle XE. I have a table that contains a Timestamp column. "Fractional precision" is 6 and "Time zone" has the value of HOURS LOCAL time ZONE.
  If I try to change the precision of the timestamp column (set to 2 for example), I get the following error:
  
  Error ORA-1866: the dattime class is not valid.
  The following SQL statement failed:
  ALTER TABLE CLIENTS
  CHANGE ("TIME_STAMP" TIMESTAMP (2) WITH THE LOCAL TIME ZONE)
  
  Please notify.
  Thank you
  MR. R.

  The column is empty? It should be just by reducing the precision.
  Try to run the command in the SQL Plus tool if you have not already done.

  The following should do the job

  ALTER TABLE CLIENTS ADD TEMPCOL TIMESTAMP (2);
  UPDATE CUSTOMER SET TEMPCOL = "TIME_STAMP";
  ALTER TABLE CLIENTS REMOVE THE COLUMN "TIME_STAMP";
  ALTER TABLE CLIENTS RENAME COLUMN TEMPCOL TO "TIME_STAMP";

  Concerning

  Published by: thriller on April 7, 2009 17:22

• Update Skype timestamp in 7.17 problem

  Hello, I'm not sure if I'm posting in the right place or not, but here is my problem

  I've recently updated Skype to 7.17 and after updating the timestamp for cat started coming wrong by about three hours, I checked my time Office to make sure it wasn't buggy (3 hours on his own return value) as he does sometimes, and he wasn't, I uninstalled Skype and reinstalled in the hope to fix it and it does not work. If you have a solution please help and thank you

  P.S. once again sorry if this is the wrong place for this post

  http://community.Skype.com/T5/Windows-desktop-client/Skype-chat-messages-are-in-the-wrong-place/m-p/...

• A statement UPDATE changes the line if the update changes the column even value?

  HI -.

  I have a main classification and the corresponding audit table. I have a trigger. I created using the suggestion:http://www.runningoracle.com/product_info.php?products_id=211

  Now the problem that I am facing is that: if I run the same query (same value) update on the main table for n times (with the same data)... my audit table is updated with a new record every time. He is not able to determine that the value is the same.

  My goal is to load the audit table data if the value in a cell in the main table is really have changed.

  A statement UPDATE changes the line if the update changes the column even value?

  Best regards

  I have a main Table and the corresponding Audit Table. I have a trigger. I created using the suggestion:http://www.runningoracle.com/product_info.php?products_id=211

  Why?

  You try to resolve what made you what are the PROBLEM that select as the solution?

  Now the problem that I am facing is that: if I run the same query (same value) update on the main table for n times (with the same data)... my audit table is updated with a new record every time.

  Yes - it is EXACTLY what you say that you wanted to do and EXACTLY what the code does in this article.

  He is not able to determine that the value is the same.

  I think you mean that the code does NOT check if the value is the same. You can certainly change the code to do this check. But I have a question to start with your need for such a solution.

  My goal is to load the audit table data if the value in a cell in the main table is really have changed.

  OK - then modify the code to check EACH COLUMN and compare its NEW value to the OLD value and insert only the table of audit if SOME (or columns you care specifically) have changed.

  A statement UPDATE changes the line if the update changes the column even value?

  It depends on what you mean by 'change the line '. Of course to update a column with the SAME value does not change the resulting data value.

  But the physical structure of the line, the location of the pieces of line and information in the header block (YVERT, etc.) will change. And, as others have said Oracle doesn't know and doesn't care, so if the new value of a column is the same as the old value will create redo, undo and the rest.

  Start over and tell us what PROBLEM you're trying to solve. Then we can help you find the best way to solve it.

• Loading data: formatting of data for the timestamp column

  Hi all

  I have a table with a timestamp column, named created_date. I want to download this table data using load data page. but there is a problem when downloading data, I have a csv file in which data column created_date in two different format as follows,

  03/09/2013-03:33

  02/09/2013-15:24

  the above data throws an error ORA-01821: date format not recognized.

  In Data / Table Mapping page, I tried with HH12:MI MM/DD/YYYY: SS AM. What format should I use for am and pm?

  
  

  Please help me solve...
  

  Thanks in advance

  Lacombe

  I solved it by using the format MM/DD/YYYY HH:MIAM.

  Thank you

  Lacombe

• Disable the update on a column

  Hi all
  
  11g
  
  Is there a "constraint" database that will prevent the update on a column of some? Something like to create table t1 (c1 number no_update);
  Trigger is large enough resource.
  
  
  Thank you
  
  Kins

  If it is completely controlled on the applications side, then just do your app render the field read-only.

  However, what is painful on the creation of patterns - it's no more difficult than creating users in your application. Why do you need to create a lot of synonyms and views (you do not have)?

  I think we can agree that you have been given a few solutions, and you've also got advice on which of them would be considered best practice. What you choose to do with this review, it is now your own question.

  JOhn

• access to update only one column in the table?

  Hi all
  
  My need is to grant access to update only one column c1 in table t1.
  I guess I should use view, could you please give me some examples? Maybe other ideas?

  Hello

  You can grant privileges on individual columns.

  GRANT   UPDATE (c1)
  ON      t1
  TO      grantee_name;
  

  Look in the manual of the SQL GRANT language. Annoyingly, in editions recent manual, GRANT is not indexed, but it is in alphabetical order with all other instructions:
  http://docs.Oracle.com/CD/E11882_01/server.112/e26088/statements_9013.htm#i2155015

• Identify the weekend and the days of the week a date and update the empty column

  Hi, I look at previous posts that are similar to my question, but nothing helps.
  
  I have a column called incident_date that is in this format and comes from the Nov_Final table
  

  01-JUL-2009 20.10
  04-NOV-2009 17.00
  16-DEC-2009 16.00

  In Nov_Final, I created a column called weekend
  
  What I want to do is to perform an update, something like this:
  

  Update Nov_Final
  
  SET Weekend=(case when Incident_date ='WEEKEND' THEN 'Y' ELSE 'N' END)

  Banner:
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  NLSRTL Version 11.2.0.2.0 - Production
  

  Weekend would be Saturday or Sunday. 
  In short I need to find out if the incident_date falls on a weekend and if it does update the weekend column as 'Y' else 'N' if it's not.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

  You can use TO_CHAR function with a format mask as "fmDAY" to your needs:

  with t_data
  as
  (
  select sysdate + level as col1 from dual connect by level <= 7
  )
  SELECT
      col1,
      TO_CHAR(col1,'fmDAY') col_day,
      CASE
          WHEN TO_CHAR(col1,'fmDAY') IN ('SATURDAY','SUNDAY')
          THEN 'Y'
          ELSE 'N'
      END AS weekend_ind
  FROM
      t_data;
  
  COL1                      COL_DAY                     WEEKEND_IND
  ------------------------- --------------------------- -----------
  08-NOV-11 07:54:12        TUESDAY                     N
  09-NOV-11 07:54:12        WEDNESDAY                   N
  10-NOV-11 07:54:12        THURSDAY                    N
  11-NOV-11 07:54:12        FRIDAY                      N
  12-NOV-11 07:54:12        SATURDAY                    Y
  13-NOV-11 07:54:12        SUNDAY                      Y
  14-NOV-11 07:54:12        MONDAY                      N           
  
  7 rows selected
  

• updating single line!

  Hello
  
  I have table with 3 records with 3 columns, I have updated a record
  
  
  Test name brands
  
  A 19 10
  A 19 10
  69 10 B
  
  
  
  I wnt to put updated the second 'A' for 'X' not the first 'A'
  
  
  
  Thank you

  Check out the identifier of this line, by practice:

  select rowid,t.*
  from your_table t
  /
  

  Can only update this line by doing:

  update your_table
  set column = ...
  where rowid = the-rowid-of-the-row
  /
  

• How can I insert data from another table into a table containing a timestamp column

  How you insert data from another table in a table if the target table contains a timestamp column. I tried to set the default value of GETDATE() column in the target table, but it does not work.
  
  
  I use MS SQL

  Sorry, I managed to get around this by inserting null as the value

• Update of table column in this table corresponds with another table

  UPDATE of table column where this table corresponds to a column with another table of columns,
  Example:
  
  I need to update column in the table SIEBEL_ASSETS MATACH_FLAG = 'Yes' when less than the conditions of the
  Select a.*, SIEBEL_ASSETS a, gis_cad, c
  where upper (a.Province) = upper (c.province)
  and upper (a.TOWNSHIP_NAME_EXT) = upper (c.suburb)
  and a.Stand_ # = c.ERF_NO

  update siebel_assets a
  set    match_flag = 'yes'
  where  exists (select 1
                 from   gis_cad c
                 where  upper(a.Province) = upper(c.province)
                 and    upper(a.TOWNSHIP_NAME_EXT) = upper(c.suburb)
                 and    a.Stand_# = c.ERF_NO
                )
  ;
  

• How to create a default value for the timestamp column?

  I am trying to create a table with a default value to a timestamp column, can it be done?
  
  
  CREATE TABLE matbl
  (
  Default TIMESTAMP WITH time ZONE SCHEDULE date FutureDateTime ' 23:23:59.000 2999-12-31'
  )

  incorrect data type. try rather timestamp with time zone.

  CREATE TABLE myTbl
  (
  FutureDateTime TIMESTAMP WITH TIME ZONE  default to_timestamp ('2999-12-31 23:23:59.000','yyyy-mm-dd hh24:mi:ss.ff')
  )
  

• get the name of the update by query column

  Hello
  How can I get the name of the update by request column
  I need to insert the name of the column changed in a query to update a history table by using a trigger created on the main table.
  How can I get the update column name in this trigger
  
  Thanks in advance
  Sicard

  queryguy wrote:
  Thanks for the reply, but wouldn't be an additional burden to compare all values
  what I was looking for was a direct request or variable system oracle for such use

  Comparing the old and new values wud tell me which column is updated then how to get the anme of column

  for example update test set emp_name = "Sicard' where emp_pos = 'President ';

  now I want to insert 'emp_name' in the table test_hist as follows
  ==========================================
  name colmn = old value = new value = update the = updated by
  emp_test = notsapan = sapan = sysdate = syscontext_user

  Published by: queryguy on June 22, 2009 04:06

  Well, since you have a typical requirement (for which Oracle doesn't have a built-in support), you will need to compare the old and new values, and insert the name of the column "manually" in the logging table.

  Little extra processing is indeed (CPU cycles) to find the modified column.