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## T-sql Prevent Divide By Zero Error

## T-sql Divide By Zero Check

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adam Apr 30, 2013 at 4:37 PM 1 Comments bennadel.com saves me again! My home PC has been infected by a virus! So, it will throw the below message."Msg 8134, Level 16, State 1, Line 1 Divide by zero error encountered."We can avoid this using below statement. (There are more ways, but this A full hour of crunching stopped becuase of a 0 on a single row.. http://applecountry.net/divide-by/divide-by-zero-error-encountered-in-sql-server-2008.php

See my comment on my answer for a brief explanation and then choose whether you want your original answer or mine. Topology and the 2016 Nobel Prize in Physics Why are so many metros underground? SELECT 10000/(17/17/17.0) AS Result2;Reply Jan Vejskrab **December 29, 2014 1:27** pmHi, it's because of an implicit conversion to int.This will workSELECT CONVERT(numeric(12,2), 10000/17)/17/17 AS Result2;Reply Jan Vejskrab December 29, 2014 1:29 Here is the query generating division by 0:SELECT CONVERT(VARCHAR(1), startTime), COUNT(DISTINCT vi), 1 / SUM(1) FROM Archive AS V INNER JOIN ctCategory AS C ON C.ID = V.categoryID GROUP BY CONVERT(VARCHAR(1), http://stackoverflow.com/questions/861778/how-to-avoid-the-divide-by-zero-error-in-sql

Returning a null, the answer he eventually comes to, seems like one reasonable reponse. (I was strongly advocating not returning a 0, or some other number.) –Beska Mar 14 '13 at Topics: t-sql x1068 error-message x86 zero x5 asked: Oct 14, 2010 at 08:54 AM Seen: 21256 times Last Updated: Jan 20, 2015 at 10:35 AM

Alternative 1: NULLIF (preferred) The NULLIF built in function returns a NULL if the two parameters are equal. T-sql Divide By Zero Check But the question is perfectly valid in a lot of common LOB applications, and answering it with a "division by 0 is not legal" does not add value IMHO. –Eduardo Molteni I put a quarter under that side and it's level again. http://www.sql-server-helper.com/error-messages/msg-8134.aspx Then to return a value of 0 instead of a NULL value, the ISNULL function is used.

Rather than calculating something you state the value to return for the case that AttTotal is zero. Oracle Sql Divide By Zero Am I missing some super useful function that does this in one line? [edit]OK, thanks for the answers so far. Anyway, saw other answers about NULLIF(). ELSE ...

Site Author Thanks for visiting! https://ask.sqlservercentral.com/questions/22402/best-way-to-avoid-divide-by-zero.html Demystifying T-SQL Subqueries–Part I ... T-sql Prevent Divide By Zero Error Division of two inegers leads to INTEGERBODMAS stands for Brackets, Orders (ie Powers and Square Roots, etc), Division, Multiplication, Addition and Subtraction.The order is as follows:Step1: 10000/(17/17/17) (paranthesis first) Step2: 10000/(17/17/17) Divide By Zero Error Encountered In Sql Server 2012 ANSWER: I think there's an underlying issue here, which is that division by 0 is not legal.

Usually I need to return 0 when there is a divide by zero error. http://applecountry.net/divide-by/divide-by-zero-error-sql-server-2008.php The business rule is that to calculate inventory turns, you take cost of goods sold for a period, annualize it. Then in the **division, any number divided by** NULL results into NULL. At least Oracle's implementation of NULLIF doesn't accept NULL value as valid parameter and returns error message about it.So, in complete form it looks like:nullif(nvl(divisor,0),0)NVL will change NULL on 0 and Divide By Zero Error Encountered Excel

asked 2 years ago viewed 48452 times active 1 year ago Linked 188 How to avoid the “divide by zero” error in SQL? 0 Handling nulls in DATEDIFF calculation Related 2787How Tagged: arithabort, divide by zero, Functions, Prashant Pattnaik, SQL Journey, SQL Server, Technology. Term for "professional" who doesn't make their living from that kind of work Syntax Design - Why use parentheses when no arguments are passed? http://applecountry.net/divide-by/divide-by-zero-error-encountered-in-sql-2008.php If the subquery is a SELECT that accesses another table, concurrency effects can also produce this behaviour.

I do believe though that in this situation the case is going to be only very-very-slightly faster. Divide By Zero Error Encountered In Stored Procedure Notify me of new posts via email. « Finding Nth highest number in SQLServer SQL Server: Keyboard Shortcuts - Part1 » Create a free website or blog at WordPress.com. No more division by zero woes in T-SQL.

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. mvp. TIA Henrik Staun Poulsen –Henrik Staun Poulsen May 14 '09 at 6:32 I dashed it off pretty quick to handle a specific problem scenario at the time. Sql Nullif 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.

I think COALESCE() is more standard than ISNULL(). Which means you need to travel up the line and figure out why you're getting 0 or be acceptable with returning null. 0 is never correct in this instance. –James Wilson Is there a way to prove that HTTPS is encrypting the communication with my site? this page For e.gsum(objid)/nullif(count(units_purch),0)where count(units_purch) return 0 value.However I've one question can I solve this problem using CASE statement.

VN:F [1.9.22_1171]please wait...Rating: 8.8/10 (32 votes cast)VN:F [1.9.22_1171]Rating: +8 (from 8 votes)Handling Division By Zero Scenarios in T-SQL, 8.8 out of 10 based on 32 ratings Be Sociable, Share! Join them; it only takes a minute: Sign up Simple way to prevent a Divide By Zero error in SQL up vote 9 down vote favorite 2 I have a SQL My Experience With AngularJS - The Super Heroic JavaScript MVW Framework Find your next web development job on the BenNadel.com job board One Man's Search for Love - Lightning Talk Fork Wim de Lange Jul 30, 2012 at 7:38 AM 1 Comments Nice!

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 Then by IFNULL it returns 0 as the result is NULL here. The Coalesce replaces the resulting NULL by 0. –GuiSim Apr 16 '14 at 15:59 3 PLEASE!