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Welcome to DBA Master – Database Tips, Tricks, and Tutorials

Welcome to DBA Master ! This blog is dedicated to all things related to database administration , SQL optimization , and performance tuning . Whether you're a beginner or a seasoned DBA, you'll find practical guides, troubleshooting tips, and real-world tutorials to help you work smarter with data. What to Expect: SQL performance tuning tips Indexing strategies Backup and recovery best practices High availability and replication techniques Database creation, configuration, and setup Monitoring queries and scripts for proactive performance management Migration guides across different database platforms Security essentials and best practices Recommended tools for DBAs Real-world error fixes and how to solve them Stay tuned — exciting content is coming soon. Feel free to bookmark and share: www.dbamaster.com ! Thanks for visiting!
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Job Scheduling Command

 crontab -e     //create & edit the crontab jobs

1st * set to minutes 0-59
2nd * set to hour 0-23
3rd * set to day of month 1-31
4th * set to month 1-12
5th * set to day of week 0-6

*/1 * * * * /root/backup.sh     //Run Cron Job Every 1 Minutes
30 * * * * /root/backup.sh     //Run Cron Job Every 30 Minutes
0 4 * * 1-5 /root/backup.sh     //run cron job monday to friday
0 4 * * 1,5 /root/backup.sh     //run cron job monday and friday only

crontab -l     //list all crontab jobs
crontab -r     //remove all jobs

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