sql sql-server sql-server-2005 sql-server-2008 share|improve this question edited Jan 6 at 19:50 Hooper 4241525 asked May 14 '09 at 6:06 Henrik Staun Poulsen 4,89331220 4 Perhaps some data validation is performance hit from UDF in persisted computed column definition20When are computed columns computed?1Use a scalar hashing function in a computed column - non-deterministic?14Is it legal for SQL Server to fill PERSISTED Not sure about ISNULL(). Just wondering what do you think about it?Reply Abhinav Pandey August 17, 2016 3:45 pmSELECT (10000)/(17.0/17/17) AS Result2;ReplyLeave a Reply Cancel reply Pinal Dave is a technology enthusiast and an independent get redirected here
Day of year calculation method How do I debug an emoticon-based URL? select itnbr, Amount, Quantity, case when Quantity <> 0 then Amount / Quantity else 1 end from SomeTable The other way to prevent division by zero is to use the NULLIF If the value of AttTotal or ClubTotal are NULL this will now also return 0. –Martin Smith Oct 28 '13 at 9:25 1 Agree, I like the one by @Dommer, That doesn't answer the question though as it only results in a more meaningful error (closer to the source of the problem) rather than avoiding an error completely. –David Spillett Jan
Thank you very much. –Henrik Staun Poulsen Dec 17 '13 at 20:01 It works on complex queries! more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed I was looking for a solution solving divide by zero problem without using case (the query was already too complex) and this is THE solution!
Oct 14, 2010 at 11:07 AM Oleg @Håkan Winther I did not know how to test performance of the functions for that very reason (if the number of records is huge Oct 14, 2010 at 09:30 AM Håkan Winther Good question Fatherjack - I've got CASE statments all through my code because of this. But, just a guess. Divide By Zero Error Encountered Excel For any SQL Server Performance Tuning Issue send email at pinal @ sqlauthority.com .
But this,time, let's provide a default value if the division isnot valid.--->
Inside () if we start calculating from left to right we first have 17/17 which gives 1 (division is for integers), now the resultant equation is something like this (1/17) which Msg 8134 Level 16 State 1 Line 1 Divide By Zero Error Encountered up vote 188 down vote favorite 46 I have this error message: Msg 8134, Level 16, State 1, Line 1 Divide by zero error encountered. ANSWER: I think there's an underlying issue here, which is that division by 0 is not legal. select itnbr, Amount, Quantity, case when Quantity <> 0 then Amount / Quantity else 0 end from SomeTable If Quantity is not zero, the division takes place.
Making the initial query a subselect and then doing a GROUP BY on the outer query also changes the results because there is division involved. –Andrew Steitz Mar 1 '13 at http://www.sql-server-helper.com/error-messages/msg-8134.aspx Oct 14, 2010 at 11:42 AM Håkan Winther I generally use this for percentages where zero is required. Divided By Zero Error In Sql Server How to prove that there is no regular parametrized curve whose image is a semicubical parabola? How To Handle Divide By Zero Error In Sql What is this red X icon showing in Thunderbird?
Starting hit points for Arcane Ward How do hackers find the IP address of devices? http://applecountry.net/by-zero/divided-by-zero-error-encountered-sql.php Let's do the Wave! Or someone cloaned my code (that never happens, right?) and did not think about the warnings? By automatically letting 0 be the default for nulls you are introducing potentially quite significant bias into your data sets.So, without labouring the point, I recommend that you reconsider this last How To Fix Divide By Zero Error In Sql
experimentation is certainly in order.HTHMarc Ben Nadel May 7, 2010 at 9:15 PM 12,873 Comments @Marc, Oh cool. SET ARITHABORT OFF SET and ANSI_WARNINGS OFF do it work - after 2 days of fighting with divide by zero at WHERE clause. Suppose you want to calculate the male–female ratios for various school clubs, but you discover that the following query fails and issues a divide-by-zero error when it tries to calculate ratio useful reference Topics: t-sql x1068 error-message x86 zero x5 asked: Oct 14, 2010 at 08:54 AM Seen: 21276 times Last Updated: Jan 20, 2015 at 10:35 AM Rewrite the query as: SELECT club_id, males, females, males/NULLIF(females, 0) AS ratio FROM school_clubs; Any number divided by NULL gives NULL, and no error is generated. Oracle Sql Divide By Zero NULLIF() takes two arguments and returns NULL if the two values are the same and can be used to turn the divisor from a zero into a NULL which, in turn, Even if you write your query differently using ISNULL or NULLIF at the end it will likely execute the same. –Nenad Zivkovic Oct 28 '13 at 9:34 As has
Some of my answer was addressed to concerns like that of Edwardo, in the comments, who seemed to be advocating returning a 0.
Rewrite the query as: SELECT club_id, males, females, males/NULLIF(females, 0) AS ratio FROM school_clubs; Any number divided by NULL gives NULL, and no error is generated. Oracle Sql Divide By Zero NULLIF() takes two arguments and returns NULL if the two values are the same and can be used to turn the divisor from a zero into a NULL which, in turn, Even if you write your query differently using ISNULL or NULLIF at the end it will likely execute the same. –Nenad Zivkovic Oct 28 '13 at 9:34 As has
This will of course differ depending on how you are accessing the database and what language you are using but you should always be able to get an error message that This yields an infinite number of turns. share|improve this answer answered Aug 25 '09 at 22:10 finnw 32k1398176 I start to like CHECK constraints more and more. –Henrik Staun Poulsen Aug 16 '10 at 18:05 add Sql Nullif COALESCE is more complex function and capable to accept any number of parameters while isnull/nvl are tailored to replace NULL value from one single column with something different and do it
Is there a way to view and/or calculate the value of all utxo's? Browse other questions tagged sql sql-server sql-server-2005 sql-server-2008 or ask your own question. Polfer May 14 '09 at 19:21 4 A much nicer Way of doing it "Select dividend / nullif(divisor, 0) ..." breaks if divisor is NULL. –Anderson Dec 1 '14 at this page NULL might be more appropriate.
Management is interested in the percentage of zeros out of the total number of cases. Oh my chickens, this post is old! Copyright © 1996-2010 Guild Companies, Inc. Division by zero is UNDEFINED and should NEVER return ZERO!
I dont want to lose rows where it is zero so, I cant accept a NULL in its place or to filter out those rows with a WHERE @int20 I simply I keep meaning to just read through the docs. Share|Share on twitter Share on facebook Share on google Share on email✉ Other Things You Might LikeData at Work: Best practices for creating effective charts and information graphics in Microsoft Excel