How to switch OR logic in DECODE function?

Similar Questions

• Logical operations in SQL decode function?

  Hello
  Is it possible to perform logical operations in SQL decode function
  
  as
  ' > '
  ' < '
  ' > ='
  ' < ='
  '<>'.
  not in
  in
  non-null
  a null value
  
  for example...
  
  Select col1, order_by, decode (col1, > 10, 0, 1)
  tab;
  
  Select col1, order_by, decode (col1, <>0, 10, 1)
  tab;
  
  Select col1, order_by, decode (col1, not in (10,11,12), 0, 1)
  tab;
  
  Select col1, order_by, decode (col1, is set to null, 0, 1).
  tab;
  
  
  
  
  Kind regards
  
  infantry
  
  Published by: user780731 on April 30, 2009 12:07 AM
  
  Published by: user780731 on April 30, 2009 12:07 AM
  
  Published by: user780731 on April 30, 2009 12:08 AM
  
  Published by: user780731 on April 30, 2009 12:08 AM
  
  Published by: user780731 on April 30, 2009 12:09 AM

  example:

  select col1 ,order_by,case when col1 > 10 then 0 else 1 end
  from tab;
  
  select col1 ,order_by,case when col1 <> 10 then 0 else 1 end
  from tab;
  
  select col1 ,order_by,case when col1 not in (10,11,12) then 0 else 1 end
  from tab;
  

  Regarding testing for null, decode the handles which, by default, anyway, so that you can get decode or case easily...

  select col1 ,order_by,decode (col1, null , 0 , 1)
  from tab;
  
  select col1 ,order_by,case when col1 is null then 0 else 1 end
  from tab;
  

• How to switch between two keyboards (Japanese keyboards have the double function of "direct entry"

  I have a laptop with keys 'English' and 'Japanese' on the same key board.  For example "A" key is also 'CHI' in Japanese, 'B' is also "KO" in Japanese.  How to switch between the two.  It changes itself.  This seems to happen after the mail in Hotmail changed in Outlook.

  Thank you

  Tomoko

  Hello

  Please go to the Microsoft Community Forums.

  From the description of the question, we understand that you want to switch between two keyboards entries.

  Let me go ahead and help you with the issue.

  Here are some steps you can follow to resolve the problem:

  Step 1:

  To change the default language, follow these steps:

  a. Click Start and then click Control Panel.
  b. double-click regional and Language Options.
  c. click on the languages tab, click details and then click Add.
  d. under input language, add the language that you want to use.
  e. under Configuration keyboard/IME, click the keyboard layout that you want, and then click OK.
  Note: Only users who have permissions on the local computer can configure the following options on the languages tab in the regional and Language Options.

  Step 2:

  To resolve this problem, change the hot key settings in your computer system. To do this, follow these steps:

  a. right click on the language bar and then click settings.
  b. in the Text Services and input languages window, click the Advanced Settings button select an action and then click Change Key Sequence.
  c. set keys and then save the settings.

  Hope that answers your query. You can write back to us for other queries/problems related to windows and we will be happy to help you further.

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  I no longer get suggested words when composing a message text on my iphone 5.  How to get back to get this function works

  Make sure that the text is on. You can do this on the keyboard (if you have several) by pressing and holding down the button to change between them.

  

  Alternatively you can go to settings > general > keyboard and make sure predictive is turned on (the switch must be green).

  If you see the image below, press the small white bar above the buttons T and Y and slide upward slightly.

  

• Decode function in the Update statement

  Hi all
  
  I'm writing a query where I can update a pastdue_fees column in a table of book_trans based on a difference between the return_dte and due_dte columns.
  
  I use Oracle SQL. That's what I have so far for my decoding function:
  
  SQL > SELECT
  2 DECODE (SIGN ((return_dte-due_dte) * 2),)
  3 '-1 ', ' 0',
  4 '1', '12', 'Null')
  5 FROM book_trans;
  
  DECO
  ----
  Null value
  12
  Null value
  0
  
  If the logic is that, if the sign is - 1, the value in the return_dte column must be 0; If it is + 1, then it has 12 and everything else is Null.
  
  So now, I have to conclude my function of decoding of the update statement to update the columns. However, I get the error messages.
  
  The logic should be:
  UPDATE book_trans SET PastDue_fees = decode (expression)
  
  I gave him a few different tests with the following results:
  
  SQL > UPDATE book_trans
  2 SET pastdue_fees = SELECT
  3 DECODE (SIGN ((return_dte-due_dte) * 2),)
  4 '-1 ', ' 0',
  5 '1', '12', 'Null')
  6 FROM book_trans.
  SET pastdue_fees = SELECT
  *
  ERROR on line 2:
  ORA-00936: lack of expression
  
  
  SQL > UPDATE book_trans
  2 SET pastdue_fees =
  3 DECODE (SIGN ((return_dte-due_dte) * 2),)
  4 '-1 ', ' 0',
  5 '1', '12', 'Null')
  6 FROM book_trans.
  OF book_trans
  *
  ERROR on line 6:
  ORA-00933: SQL not correctly completed command.
  
  Any help or advice would be greatly appreciated I got SQL for about six weeks and not very competent!
  
  Thank you!

  882300 wrote:
  Hi all

  I'm writing a query where I can update a pastdue_fees column in a table of book_trans based on a difference between the return_dte and due_dte columns.

  I use Oracle SQL. That's what I have so far for my decoding function:

  SQL > SELECT
  2 DECODE (SIGN ((return_dte-due_dte) * 2),)
  3 '-1 ', ' 0',
  4 '1', '12', 'Null')
  5 FROM book_trans;

  DECO
  ----
  Null value
  12
  Null value
  0

  If the logic is that, if the sign is - 1, the value in the return_dte column must be 0; If it is + 1, then it has 12 and everything else is Null.

  So now, I have to conclude my function of decoding of the update statement to update the columns. However, I get the error messages.

  The logic should be:
  UPDATE book_trans SET PastDue_fees = decode (expression)

  I gave him a few different tests with the following results:

  SQL > UPDATE book_trans
  2 SET pastdue_fees = SELECT
  3 DECODE (SIGN ((return_dte-due_dte) * 2),)
  4 '-1 ', ' 0',
  5 '1', '12', 'Null')
  6 FROM book_trans.
  SET pastdue_fees = SELECT
  *
  ERROR on line 2:
  ORA-00936: lack of expression

  SQL > UPDATE book_trans
  2 SET pastdue_fees =
  3 DECODE (SIGN ((return_dte-due_dte) * 2),)
  4 '-1 ', ' 0',
  5 '1', '12', 'Null')
  6 FROM book_trans.
  OF book_trans
  *
  ERROR on line 6:
  ORA-00933: SQL not correctly completed command.

  Any help or advice would be greatly appreciated I got SQL for about six weeks and not very competent!

  Thank you!

  If you really really really want to update the entire table, the syntax would be...

  UPDATE book_trans
     SET
        pastdue_fees  = DECODE(SIGN((return_dte - due_dte)*2), -1, 0, 1, 12, Null);
  

  I took out all the single quotes. If you actually have a string column and store all numbers in there so it must be reported as a NUMBER column and not a column of type character (varchar2).

  ALWAYS use the appropriate data type, it will save you a ton of headaches in the future.

  Also, since you are new to the forum, please read the FAQ to learn etiquette and what not.

  http://wikis.Sun.com/display/Forums/Forums+FAQ

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