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The Weird and The Wonderful

   

The Weird and The Wonderful forum is a place to post Coding Horrors, Worst Practices, and the occasional flash of brilliance.

We all come across code that simply boggles the mind. Lazy kludges, embarrassing mistakes, horrid workarounds and developers just not quite getting it. And then somedays we come across - or write - the truly sublime.

Post your Best, your worst, and your most interesting. But please - no programming questions . This forum is purely for amusement and discussions on code snippets. All actual programming questions will be removed.

 
PraiseRe: What use are foreign keys anyway? Pin
RJOberg28-Feb-18 3:41
professionalRJOberg28-Feb-18 3:41 
GeneralRe: What use are foreign keys anyway? Pin
#realJSOP7-Mar-18 2:07
professional#realJSOP7-Mar-18 2:07 
GeneralRe: What use are foreign keys anyway? Pin
PIEBALDconsult10-Mar-18 16:26
mvePIEBALDconsult10-Mar-18 16:26 
GeneralRe: What use are foreign keys anyway? Pin
Bohdan Stupak5-Mar-18 22:20
professionalBohdan Stupak5-Mar-18 22:20 
GeneralRe: What use are foreign keys anyway? Pin
txmrm13-Feb-18 4:41
txmrm13-Feb-18 4:41 
GeneralRe: What use are foreign keys anyway? Pin
Rob Grainger13-Feb-18 7:50
Rob Grainger13-Feb-18 7:50 
GeneralRe: What use are foreign keys anyway? Pin
David O'Neil14-Feb-18 17:12
professionalDavid O'Neil14-Feb-18 17:12 
GeneralRe: What use are foreign keys anyway? Pin
Duke Carey19-Feb-18 8:35
professionalDuke Carey19-Feb-18 8:35 
GeneralRe: What use are foreign keys anyway? Pin
PIEBALDconsult10-Mar-18 16:28
mvePIEBALDconsult10-Mar-18 16:28 
GeneralRe: What use are foreign keys anyway? Pin
raddevus13-Feb-18 7:20
mvaraddevus13-Feb-18 7:20 
GeneralRe: What use are foreign keys anyway? Pin
Eddy Vluggen13-Feb-18 11:03
professionalEddy Vluggen13-Feb-18 11:03 
GeneralRe: What use are foreign keys anyway? Pin
Ravi Sant13-Feb-18 21:37
Ravi Sant13-Feb-18 21:37 
GeneralRe: What use are foreign keys anyway? Pin
Nathan Minier15-Feb-18 2:12
professionalNathan Minier15-Feb-18 2:12 
GeneralRe: What use are foreign keys anyway? Pin
wout de zeeuw13-Feb-18 22:22
wout de zeeuw13-Feb-18 22:22 
GeneralRe: What use are foreign keys anyway? Pin
User 5924113-Feb-18 22:46
User 5924113-Feb-18 22:46 
GeneralRe: What use are foreign keys anyway? Pin
Slacker00715-Feb-18 6:21
professionalSlacker00715-Feb-18 6:21 
GeneralRe: What use are foreign keys anyway? Pin
PIEBALDconsult16-Feb-18 12:40
mvePIEBALDconsult16-Feb-18 12:40 
GeneralRe: What use are foreign keys anyway? Pin
Gary Huck19-Feb-18 3:22
Gary Huck19-Feb-18 3:22 
GeneralRe: What use are foreign keys anyway? Pin
Craig Boyd19-Feb-18 4:37
Craig Boyd19-Feb-18 4:37 
GeneralRe: What use are foreign keys anyway? Pin
Nagy Vilmos19-Feb-18 5:38
professionalNagy Vilmos19-Feb-18 5:38 
GeneralRe: What use are foreign keys anyway? Pin
OriginalGriff19-Feb-18 6:22
mveOriginalGriff19-Feb-18 6:22 
GeneralRe: What use are foreign keys anyway? Pin
Rob Grainger19-Feb-18 11:00
Rob Grainger19-Feb-18 11:00 
GeneralRe: What use are foreign keys anyway? Pin
Kirk 1038982119-Feb-18 7:24
Kirk 1038982119-Feb-18 7:24 
I was brought in to "improve" a system that had horrible performance.
They were not sure why... It was an Industry Product that had been around for decades.

One of their (20+) Goals:
When creating a new XXX, have it take 90 seconds or less to add a new blank row to the grid that the user can then edit. Currently taking 4 minutes on average.

Of course, my first assumption was "What type of grid, and how many rows..."

Then I got access to the DB... They were, in fact, PROUD of not having ANY FK relationships. In fact, they had leaned away from INDEXING as space wasting... Of course, I considered NOT having them as TIME WASTING (per user, for every user)... They had plenty of space to waste...

Upon reviewing the slowest requests, 80% were fixed simply by indexing things properly. They still refused to declare FK relationships (because good data should be avoided at all costs!)...

Oh, and the company had NO IDEA why they were so slow. It literally took someone else (us) to look at their system and ask a few questions... Nobody thought it could be the DB, because it was fast for everyone else... (all much smaller companies).

Ughhh...

GeneralRe: What use are foreign keys anyway? Pin
Rob Grainger19-Feb-18 10:59
Rob Grainger19-Feb-18 10:59 
JokeRe: What use are foreign keys anyway? Pin
phil.o19-Feb-18 12:15
professionalphil.o19-Feb-18 12:15 

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