happy to hear that ur problem is solved now.
did understood what is `` for?
don't know what is the actual definition. But it works like escape character. ie like we use slashes in string.
Bcoz the names u were using are reserved ones (table,name). May be we can call them as keywords.
There are also many others like date, time, timestamp, desc, asc
If u use any good mysql client (like sqlyog) it will show these reserved names in different color, so that u can identify them.
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Thanks a lot to all! 
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