Questions -need answer

Hi,
Here are some of the questions i would like to know answers, need your answers.
How do u identify  the problematic sql statements
What is the process followed to tune sql statements
What is explain plan
What do u look for in explain plan
I have 20 lines of code in plsql block, I got exception at 9 line,but still I want to continue from 10th line. How to achieve this
How do u move your code from development to production
What tools do u use to move your code from development to production
Thanks...

Hi,
1) AWR (Identifying High-Load SQL Statements)
2) There are might be more process. Beginning with validation /cretion index, gather_stats, rewriting query, etcc. ending changing database parameters
3) Plan how ORACLE will execute the query
4) i couldn't exactly understand it ??? what do you mean?
5) catching exception block.
6) it is depended company political
7) SVN, batch file, copy/paste, etc. look "6"
Ramin Hashimzade

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