How to debugg and find wrong statements and correct in Oracle PL/SQL

Hi friends,
Any1 can guide me, how to debug oracle PL/SQL package, and have to fix bugs or changing the requirement by using toad, sometimes i resolve the problem, and i take backup in notepad, after sometime if i use the same notepad contents, the something changed, i dont no how to keep the "IF loop" correctly, Sometimes while editing, the loop nevigation changes, so that i am getting more confusions. I dont no how to correct the packages already written, and how to solve problems, i use anonymous for seeing output. Dont no how to identify and fix the bug or requirement changes,. I am not sure where the code need changes. How to test properly for fixing the bugs, and how to change the logic, any1 help me out from this,... kindly give me good solution.. thnak you in advance

Hi,
you seem a little confused with your previous posts:
956684 wrote:
Hi, Friends,
I have 4+ years experience in oracle plsql developer,
956684 wrote:I am newly changed the technology into oracle PL/SQL developer,In one (3-Sep-2012) you said you have 4+ years experienced in PL/SQL developer, in the other (17-Nov-2012) you said you are new to PL/SQL developer.
The kind of question you are posting shows that you have little experience and you have been thrown in a sort of "training on the job" which is a bit scary to my opinion.
Other users have already posted their opinion. Oracle documentation, available online is a good source of information. I've learnt a lot reading it.
But what is really important it try to work in a rational way:
a) understand business , business requirement and data model.
b) organize your job in a "safe" way. Version control is mandatory!! You cannot avoid it.
c) Be clean and organized in your coding. Spaghetti coding doesn't lead you anywhere. And never miss documenting your code.
d) Whenever you have a question constantly check Oracle documentations, Oracle forums, internet. Having web access is a great advantage of our days, you have all you need on your fingertips.
If I can give you my humble opinion, learning is a slow path. You don't become expert in one day. It's a matter of learning and experiencing day by day.
One last thing. Writing message like this:
Any1 can guide me, how to debug oracle PL/SQL package, and have to fix bugs or changing the requirement by using toad, sometimes i resolve the problem, and i take backup in notepad, after sometime if i use the same notepad contents, the something changed, i dont no how to keep the "IF loop" correctly, Sometimes while editing, the loop nevigation changes, so that i am getting more confusions. I dont no how to correct the packages already written, and how to solve problems, i use anonymous for seeing output. Dont no how to identify and fix the bug or requirement changes,. I am not sure where the code need changes. How to test properly for fixing the bugs, and how to change the logic, any1 help me out from this,... kindly give me good solution.. thnak you in advanceis not nice. Your message looks confusing, a single paragraph, approximate English.
Being clean and organized in your job is shown also in your messages. If you post your message in a clear and well written (and formatted) way you will have more chances to get an answer.
Regards.
Al

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Thanks in adance
Arun M M

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