06 · Databases
Database Administrator (DBA)
Guardian of the one thing a company cannot lose
- Fresher (India)
- ₹3.5 – 7 LPA
- Demand
What it is
You keep the database alive, fast and recoverable: installation, users and permissions, backups, replication, upgrades and performance tuning. Banks, hospitals, ERPs and government systems all need this role permanently.
What you actually do all day
- 1Configure backups and actually test restores
- 2Tune slow queries, indexes and server parameters
- 3Manage users, roles, replication and failover
- 4Plan capacity, upgrades and migrations
Core tech stack
Databases
- Oracle
- PostgreSQL
- MySQL
- SQL Server
Skills
- Advanced SQL
- Indexing
- Backup & recovery
Around it
- Linux
- Shell scripting
- Monitoring
Reality check: Fewer openings than dev roles, but far less competition and very stable careers.
Good fit if: You are careful, methodical and comfortable being responsible for critical data.
Your first step
Install PostgreSQL, load a million rows, break it, then practise backup, restore and query tuning.