Solaris, Data Modelling, Erwin, Pl Sql, Shell Scripting, Windows, Database Design, Aix, Linux, MySQL, Sql Scripting, Performance Tuning and Optimization, DB2 Version 10 onwards, SQL Database Servers, Backup Restore Recovery Processes, PostgreSQL Version 14 onwards, Stored Procedures, Cloud Database Environments, Automation using Scripts, Oracle Database Version 11 onwards