Scalar Functions are performance destroyers! What precisely differentiates Computer Science from Mathematics in theoretical context? This error is not encountered when the denominator or divisor is NULL because this will result to a NULL value. Steve May 5, 2010 at 2:02 PM 1 Comments I just updated my script with this code and it worked like a clock. weblink
This is the case I was railing against. when I fill this form and submit. In this case it might not. asked 7 years ago viewed 357750 times active 30 days ago Linked 1 How to avoid dividing by zero in SQL query? -1 Sql error “Divide by zero error encountered” when http://stackoverflow.com/questions/861778/how-to-avoid-the-divide-by-zero-error-in-sql
DECLARE @iter FLOAT; DECLARE @num FLOAT; SET @num = 10; SET @iter = 5; WHILE @iter > -5 BEGIN SELECT @num / NULLIF(@iter,0); SET @iter = @iter I find this to be much more straight forward and readable. Mike Henke Oct 8, 2009 at 3:28 PM 10 Comments For Oracle, you might try something like this: columnname1/decode(columnname2,0,null) Tammy Jan 22, 2010 at 10:54 AM 1 Comments Thanks!!! I am finding values 0,0,0,0 in all fields.for example.I have 6 fields created in my form.1 NAME 2.CITY NAME 3.E-mail id 4.Contact No 5.Pass and 6.Comments Area in my form.
However, COALESCE is in the standards so is more portable. –Paul Chernoch Jul 12 '12 at 14:29 16 If someone else doesn't instantly get why this works, NULLIF(d,0) will return Is my teaching attitude wrong? That's a subtle difference, but it's important...because the next time someone calls your function and expects it to do the right thing, and it does something funky that isn't mathematically correct, Tsql Divide By Zero Error Encountered Guild Companies, Inc., 50 Park Terrace East, Suite 8F, New York, NY 10034 Privacy Statement Publishers of technology books, eBooks, and videos for creative peopleHome > Blogs > Avoiding division by
Site Author Thanks for visiting! Divide By Zero Error Encountered In Sql Server 2012 Viewable by all users 0 You have to be careful with constructions like NULLIF and COALESCE. In other words, behind the schenes SQL Server rearranges the logic to: SELECT col1, col2, col3 FROM T1 WHERE col1 > 0 AND col2/col1 > 0.1; And we already know https://www.bennadel.com/blog/984-using-nullif-to-prevent-divide-by-zero-errors-in-sql.htm DECLARE @iter FLOAT; DECLARE @num FLOAT; SET @num = 10; SET @iter = 5; WHILE @iter > -5 BEGIN SELECT ISNULL(@num / NULLIF(@iter,0),@num); SET @iter = @iter
I've been using MySQL a lot lately and there's even more stuff in there than I realize. Divide By Zero Error Encountered Excel I received values 0,0,0,0,0, in all fields. Or someone cloaned my code (that never happens, right?) and did not think about the warnings? Reply to Topic Printer Friendly Author Topic rookie_sql Constraint Violating Yak Guru Ireland 443 Posts Posted-09/26/2008: 11:13:23 Am getting a Divide by zero error I know there is
Rock On! my company Except it's really there and it's just that I was passing in a bad value...but I have no idea. Divide By Zero Error Encountered In Sql Server If they are not equal, NULLIF returns the first value. Divide By Zero Error Encountered Sql Server 2008 Is it a fallacy, and if so which, to believe we are special because our existence on Earth seems improbable?
The actuall NULLIF function definition is simply a case statement under the hood, but it has this nice compact form :) nullif (@a, @b) means case when @a = @b then http://darrenmanning.com/divide-by/divide-by-zero-error-in-sql-2005.html But, I wanted to be able to easily take it down to refill/reprogram/change the batteries, so I used Velcro instead of the tape. I would like to have that in all our UDFs. –Henrik Staun Poulsen Sep 9 at 8:24 add a comment| Your Answer draft saved draft discarded Sign up or log Some of my answer was addressed to concerns like that of Edwardo, in the comments, who seemed to be advocating returning a 0. Sql Divide By Zero Error Encountered Nullif
Writing referee report: found major error, now what? I recommend you read this article: http://www.sqlmag.com/Articles/ArticleID/9148/pg/2/2.html share|improve this answer answered May 14 '09 at 15:49 Remus Rusanu 206k25267405 3 There is such a "Magic global setting";SET ARITHABORT OFF. –David Division by zero is UNDEFINED and should NEVER return ZERO! check over here And for more on SQL, be sure to check out my book SQL: Visual QuickStart Guide, 3rd Edition.
Oct 14, 2010 at 12:42 PM Oleg add new comment (comments are locked) 10|1200 characters needed characters left ▼ Everyone Moderators Original poster and moderators Other... Msg 8134 Level 16 State 1 Line 1 Divide By Zero Error Encountered 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 In that case I wrap whole expression in ISNULL.
Therefore, running this code:
The simple fix is to use a CASE expression (or variants like ISNULL, etc.), which have more rigid physical evaluation order in SQL Server. If I change it like this: SELECT * FROM ( SELECT 20 AS Overdue_Amount, 100 AS Credit_Amount UNION ALL SELECT 0 AS Overdue_Amount, 0 AS Credit_Amount ) T WHERE Credit_Amount=100 OR Needed it in a query that does aggregation and use CASE statement was not an option because then I had to add that column to the GROUP BY which totally changed http://darrenmanning.com/divide-by/divide-by-zero-error-encountered-sql-server-2005.html Here's my code: Percentage = CASE WHEN AttTotal <> 0 THEN (ClubTotal/AttTotal) * 100 ELSE 0 END sql sql-server-2008 tsql sql-server-2005 share|improve this question asked Oct 28 '13 at 9:22 Denys
Filed under TSQL Related Posts: SQL Server For Each Row Next SQL Server Begin Try Concatenate Rows Using Coalesce Alter Index All Tables How to Concatenate SQL Rank SQL Replace Compare SQL Server Forums Profile | ActiveTopics | Members | Search | ForumFAQ Register Now and get your question answered! CASE fails to use order of operations): DECLARE @TblTest TABLE (N INT); INSERT INTO @TblTest VALUES (1), (1); --SELECT N FROM @tblTest; SELECT CASE WHEN N=1 THEN AVG(1) Browse other questions tagged sql sql-server sql-server-2005 sql-server-2008 or ask your own question.
Wednesday, September 15, 2010 4:56 AM Reply | Quote 1 Sign in to vote As Ben-Gan later reports, it turns out that the order of operations in "CASE"expressionsisNOT guaranteed: when usingaggregates These kind of things are at the root when it comes to short cut in SQL Server, and "predicate pushing" (like pushing a condition in an outer query to an inner Not the answer you're looking for? my form submited well without any error.
SQL Server does support a short-circuit, only it won't necessarily evaluate the leftmost expression first.