RE: Do programmers tune SQL?

Greg,

The reason may be driven by the requirement of 'develop-within-this-deadline' for Developers, and 'get-this-query-to-respond-within-1-sec' for DBAs. The DBA's responsibility (among others) is to run a well tuned system, the Developers' responsbility is to develop a working product, and the two goals twain meet! Also, most of the older DBAs - at least I can speak for myself - grew out of Development, basically because we showed some troubleshooting abilities and were curious about the innards of Oracle and the OS, and this development experience helps in tuning. I have known a few developers who knew how to tune SQL, but I do admit, they are rare...

John Kanagaraj
Oracle Applications DBA
DBSoft Inc
(W): 408-970-7002

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• The opinions and statements above are entirely my own and not those of my employer or clients **

> What percent of developers know how to explain and trace SQL,
> interpret
> these reports and tune?
>
> In my experience it's about 10%, so most SQL tuning is done
> by DBA's. Is
> that about right?

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Author: John Kanagaraj
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