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Ok, In that case can you please answer my question if entity and record are the same or two different concept altogether. If no, how are they different ???

I guess I have some idea about those terminologies. But what about the following one !!!

Can anyone tell me the basic difference in the above mentioned terminologies, to be precise that between record and entity. I would like to know if they are the same or different thing ???

"A man would do nothing, if he waited until he could do it so well that no one would find fault with what he has done"

-Cardinal Newman

As we know unix system uses inode number to uniquely identify a file in a file system, and these inode numbers are generated by the system. My question is what if the system runs out of inode number....

You can use both head as well as tail command to open a file. The point to notice is that in both the cases a default value of 10 is taken i.e.
head filename: Will display first 10 lines from the...

I am not so sure if you know this or not, but just in case you don't know there is a small difference in the option part of these commands i.e.

head -n filename: Displays first 'n' lines from the...

Hi

Though I couldn't get your question clearly still am trying to answer it.

To get the PID of a process in Windows you can use tasklist in the command prompt. To kill a specific process use...

One thing you can do in regard to this is that, Like Debasis has mentioned save the file with SQL extension and at the SQLPLUS prompt give @filename.

Else you can use get filename to write the...

printf returns the number of characters that it prints, whereas scanf returns the number of format specifiers being passed to it in the format string.

Correct me if i am wrong...

I hope i got the answer now i.e. since there is nothing listed in the replacement list or string, so there will be nothing that would get replaced with the blank space ...

Thanks Debasis for your reply, like your reply made things more clear to me, still i have a doubt regarding TRANSLATE function i.e. if it is possible to remove a special character with TRANSLATE...

If i try the following query it works fine in replacing the spaces between two words i.e.

SELECT REPLACE('Hi All',' ','')
FROM DUAL;

O/P: HiAll

But if i try the same query with translate...

I guess in the second case the column to be modified needn't be empty i.e. till the moment the new precision value isn't less than the existing column values we can modify that column.

Correct me...

Though what many of you have suggested i.e. to update the values to NULL sounds fine, but the problem will arise while updating the primary key column value, since a NULL value in that case isn't...