\textbf{47.Consider the following relations:\\
Consider the following SQL query.\\ 
SELECT S.Student$_$Name, sum (P.Marks)\\ 
FROM Student S,Performance P\\
WHERE S.Roll$_$No=P.Roll$_$No \\
GROUP BY S.Student$_$Name\\ 
The number of rows that will be returned by the SQL query is .........}\\

Error Missing { inserted.... Please help me out!


_ in math mode expects an argument to put into the subscript position. Use \_ or \textunderscore instead of $_$:

SELECT S.Student\_Name

Or use verbatim:


or package listings for code listings

or ...

File ended while scanning use of \textbf

The closing } is missing in the line with \textbf. Corrected:

\textbf{47.Consider the following relations:}\\
  • ok thanks but then one more error came File ended while scanning use of \textbf . – Dhruv Bhardwaj Aug 19 '15 at 16:38
  • @DhruvBhardwaj I remember that I have upvoted a comment of Stephan Kottwitz to the question addressing this issue exactly. It seems, that the comment was deleted. – Heiko Oberdiek Aug 19 '15 at 16:47

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