Shell Programming and Scripting

I have been asked to create a shell script that accepts a number of SQL select queries as input, runs them in sequence, spools the output to an EXCEL workbook, where, each worksheet is an output of a Select statement run above.
The workbook should be in a .XLS format. If a particular select statement retrieves more than a 500,000 rows, the script should notify user to revisit the statement.

I need urgent help to implement this ... and my efforts to write one has stopped at one point...Just getting the input{see below}...dnt know how to implement the execution and formatting as required above....

Code:

#!/bin/bash
# Number=0

echo "Welcome !!! Do you wish to run a select query?"
select yn in "Yes" "No"; do
    case $yn in
        Yes ) break;;
        No ) exit;;
    esac
done

echo "Enter the number of queries to be run : "
read Number
echo "Enter the schema owner name: "
read user
echo "Enter the password: "
stty_orig=`stty -g`
stty -echo
read paswd
stty $stty_orig

LOWER_LIMIT=1
UPPER_LIMIT=20

declare -a Queries

echo "Enter the queries in sequence to be run \n"

# Initialize the array.
i=0
while [ "$i" -lt "$Number" ]

do

echo " Enter query$LOWER_LIMIT : "
read query  
Queries[i]=$query 
let "i += 1" 
let "LOWER_LIMIT += 1"  
done

\n\n\n
echo "Query execution in progress... Please be patient"

KINDLY HELP FROM HERE.....................

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