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How to compare Hexadecimal values in oracle SQL


How to compare Hexadecimal values in oracle SQL

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How to compare Hexadecimal values in oracle SQL
Tag : sql , By : meehan
Date : November 29 2020, 04:01 AM

This might help you Use TO_NUMBER( hex_value, , 'xxxxxxxxxx' ) (where the number of xs is the maximum length of your hexadecimal VARCHAR2 column):
Oracle Setup:
CREATE TABLE ok_dc.gms3_vc_mme_vin_si_detail ( vc_vin_vis_start_range ) AS
  SELECT '1'      FROM DUAL UNION ALL
  SELECT 'FFFFF'  FROM DUAL UNION ALL
  SELECT '100001' FROM DUAL UNION ALL
  SELECT '100002' FROM DUAL UNION ALL
  SELECT NULL     FROM DUAL;
SELECT vc_vin_vis_start_range
FROM ok_dc.gms3_vc_mme_vin_si_detail
WHERE TO_NUMBER(vc_vin_vis_start_range, 'xxxxxxxxxx') >= TO_NUMBER('100001', 'xxxxxxxxxx');
VC_VIN_VIS_START_RANGE
----------------------
100001
100002

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how does the computer compare the hexadecimal and decimal values


Tag : c , By : Bimal Poudel
Date : March 29 2020, 07:55 AM
With these it helps int x = 0x1fe; and int x = 510; are the exact same thing to the computer (or more specifically, to the compiler -- the actual hardware will never see "0x1fe" or "510" -- it will only see the binary version) so your question doesn't make much sense.
Changing the base only changes the representation of a value; it doesn't change the actual value. If you have 1012 apples, and you have 510 apples, you still have the same amount of apples.

Compare raw hexadecimal values in Qt?


Tag : qt , By : Anand
Date : March 29 2020, 07:55 AM
To fix this issue Below a QbyteArray is created and it contains a byte with the hexadecimal value 49. 49 is one byte of data written in memory, it isn't an ASCII string representation of 49 (which is 2 bytes) , In C/C++, a hexadecimal integer literal is prefixed with 0x. So:
if (data.at(0) == 0x49)
  qDebug() << "true";

Can XPath compare hexadecimal attribute values?


Tag : .net , By : toki
Date : March 29 2020, 07:55 AM
hope this fix your issue XPath 2.0:
Yes. In your scenario you are comparing two strings. This is legal to do and should work fine. If its not working then you are most likely using xpath 1.0.

How to compare number values with varchar2 containing decimal (both positive and negative) values in oracle


Tag : java , By : DicksGarage
Date : March 29 2020, 07:55 AM
this one helps. Hi thank you for all your ideas, I try everything and manage to get some results, but not the best results, so I convince the costumer to let me create another table to relate the coordinates with the id on the original table on a number format, i will do this tomorrow and change all the related code to work with the new table. But still thank you a lot, and for me the correct answer was to change the type of the column but ...

Compare hexadecimal and decimal values


Tag : java , By : user186435
Date : March 29 2020, 07:55 AM
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