UNIX for Beginners Questions & Answers

#!/bin/ksh
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# File Name  : counts.sh
# Created    : 2019/27/19
# Author     : 
#-----------------------------------------------------------------------
# $Revision: 1.0 $
# $Date: 2019/01/27 08:00:00 $
#-----------------------------------------------------------------------
# Modification History:
# No      Date       Author         Note
#
#-----------------------------------------------------------------------
#
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DB_USERNAME=$1
DB_PASSWORD=$2
DB_DBASE=$3

#------------------------------------------------------------
# Start Log
#------------------------------------------------------------
DB_CONN=${DB_USERNAME}/${DB_PASSWORD}@${DB_DBASE}
LOG_DATETIME=`date +%Y-%m-%d:%H:%M:%S`
LOG_FILE=/tmp/$LOG_DATETIME.log
EGREP=/bin/egrep
ORA_ERR_STR=ORA

#==Start Counting ========================================

sqlplus -S ${DB_CONN} > $LOG_FILE << ORAEND

set serveroutput on;
set feedback off
SPOOL /tmp/counts.txt
PROMPT COUNTS

SELECT COUNT(*) FROM schema.db;

spool off;
ORAEND


mailx -s "Counts on $DB_DBASE is" user@gmail.com < /tmp/counts.txt		
#===end of script=========#

cat /tmp/counts.txt

./counts.sh