Database Administrator

Database Administrator balances multiple duties and these 20 real tasks show how your day is divided across priorities. You’ll see which activities take most time and which decisions you make quickly. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

20evidenced tasks
20ready prompts
7tools of the trade
15-1242.00O*NET-SOC code
69,990hold this job (US, BLS 2025)
$104,620median pay/yr (US)
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What it pays

Government survey numbers — not estimates, not ads.

Half of all Database Administrators in the U.S. earn more than $104,620 a year — the middle 80% land between $60,230 and $163,320. About 69,990 people in the U.S. do this work. Figures are for the U.S. occupation group “Database Administrators”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Professionals earn about ₹38,298 a month on average — around ₹4.6 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$104,620typical pay / year
69,990people in this work
$163,320+top 10% earn
₹4.6 lakha year in India (family avg)
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The work, task by task

These are the real jobs-to-be-done, not a wish list. Each task shows where we found it, and the prompt underneath is written for that exact task.

Protecting2

Secure database access

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Audit all production accounts and revoke unused logins, enforce role-based policies for developers and…
Audit all production accounts and revoke unused logins, enforce role-based policies for developers and analysts, rotate the service credentials used by ETL jobs, and run an access report for compliance by Friday afternoon.
The tools that do the workAnsibleESCOjob descriptionsO*NETWikipedia

Manage computer databases

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Reconcile table growth and index usage across the primary cluster, compress cold partitions, apply the…
Reconcile table growth and index usage across the primary cluster, compress cold partitions, apply the planned patch to the maintenance node, and update the database inventory and capacity forecasts for next quarter.
The tools that do the workApache HadoopESCOO*NETWikipedia
Keeping the record2

Test computer databases

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Run the full integration test suite against the nightly build including failover, replication lag, and…
Run the full integration test suite against the nightly build including failover, replication lag, and transaction integrity checks, capture performance metrics, fix any regression, and approve the build only when all tests pass.
The tools that do the workApache KafkaESCOjob descriptions

Install database software

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Install the new database engine on the two production servers, configure storage paths and memory settings…
Install the new database engine on the two production servers, configure storage paths and memory settings for the customer_orders cluster, run the post-installation schema validation, and report completion to Maya by Friday afternoon.
The tools that do the workAmazon Elastic Compute Cloud EC2job descriptionsWikipedia
Fixing2

Perform database tuning and indexing

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Analyze the slow queries on the sales reporting instance, add or rebuild indexes on the top three offending…
Analyze the slow queries on the sales reporting instance, add or rebuild indexes on the top three offending tables, adjust memory and parallelism settings, run the regression test workload, and log the changes in the DBA ticket for Paul.
The tools that do the workApache Cassandrajob descriptionsO*NET

Backup database data

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Create a full backup of the inventory database to the archival storage location, verify checksums, rotate the…
Create a full backup of the inventory database to the archival storage location, verify checksums, rotate the daily backup set keeping seven versions, and email the backup report and restoration test results to Operations.
The tools that do the workApache Hadoopjob descriptionsWikipedia
The daily work14

Plan capacity for databases

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Estimate storage, IOPS and CPU headroom for the three production clusters for the next 12 months based on…
Estimate storage, IOPS and CPU headroom for the three production clusters for the next 12 months based on last 18 months' growth, include monthly projected thresholds that trigger shard addition or instance resize, and produce an action timeline for procurement and migration.
The tools that do the workApache CassandraWikipedia

Recover data after failures

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Restore the latest validated full backup and apply incremental logs to rebuild the sales and ledger tables to…
Restore the latest validated full backup and apply incremental logs to rebuild the sales and ledger tables to the point-of-failure, verify row counts and checksum against the pre-failure snapshot, then document the steps and hours for postmortem.
The tools that do the workApache HadoopWikipedia

Design database structures

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Design normalized and partitioned schema for the customer orders system to support 200 million rows, include…
Design normalized and partitioned schema for the customer orders system to support 200 million rows, include indexing strategy, retention policy, and a migration plan that keeps nightly ETL windows under two hours.
The tools that do the workApache CassandraO*NETWikipedia

Troubleshoot database issues

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Investigate the weekend slowdowns on the reporting cluster: gather recent query plans, top wait events, node…
Investigate the weekend slowdowns on the reporting cluster: gather recent query plans, top wait events, node resource stats, and the error logs, then propose immediate mitigation and a durable fix for next sprint.
The tools that do the workApache Hivejob descriptionsWikipedia

Monitor database performance

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Set up a daily performance dashboard that tracks query latency percentiles, node CPU and I/O, cache hit…
Set up a daily performance dashboard that tracks query latency percentiles, node CPU and I/O, cache hit ratios and growth of table sizes, with alerts for sustained latency above the 95th percentile.
The tools that do the workApache Kafkajob descriptionsWikipedia

Develop standards and guidelines for the use and acquisition of software and to protect vulnerable information.

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Draft standards for acquiring and deploying database software, covering approved configurations, encryption…
Draft standards for acquiring and deploying database software, covering approved configurations, encryption at rest and in transit, access control, backup frequency, and a third-party risk checklist for procurement to sign off.
The tools that do the workAnsibleO*NET

Train users and answer questions.

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Create a one-hour hands-on session and an FAQ for analysts on how to run ad hoc queries, interpret explain…
Create a one-hour hands-on session and an FAQ for analysts on how to run ad hoc queries, interpret explain plans, and avoid full-table scans, then publish the slides and sample queries to the team wiki.
The tools that do the workApache HiveO*NET

Provide technical support to junior staff or clients.

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Prepare a support ticket bundle for the junior team with step-by-step debugging checklists for connection…
Prepare a support ticket bundle for the junior team with step-by-step debugging checklists for connection failures, replication lag, and failed restores, plus escalation criteria and the on-call rota.
The tools that do the workApache AirflowO*NET

Review workflow charts developed by programmer analyst to understand tasks computer will perform, such as updating records.

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Read the programmer analyst's workflow diagrams for the customer-orders pipeline, verify each automated task…
Read the programmer analyst's workflow diagrams for the customer-orders pipeline, verify each automated task and conditional branch that updates records, annotate unclear steps, and list three questions for the analyst before I sign off on the design.
The tools that do the workApache AirflowO*NET

Revise company definition of data as defined in data dictionary.

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Revise the company definition of data in the enterprise data dictionary: reconcile Sales and Finance…
Revise the company definition of data in the enterprise data dictionary: reconcile Sales and Finance disagreements on customer_id and invoice_date, propose revised definitions with examples, and send the proposed changes to Maria in Data Governance for approval by Friday.
The tools that do the workApache KafkaO*NET

Use high-speed transaction recovery techniques

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Prepare and run the transaction recovery plan using the last nightly backup plus the incremental logs to…
Prepare and run the transaction recovery plan using the last nightly backup plus the incremental logs to restore the payments ledger to a consistent state within 15 minutes, then document the recovery steps and runbook for on-call.
The tools that do the workApache Kafkajob descriptions

Minimize database downtime

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Schedule and test the live failover procedure for the primary database cluster to reduce service…
Schedule and test the live failover procedure for the primary database cluster to reduce service interruption, run the failover during the maintenance window with traffic cutover validation, and report downtime metrics to Ops.
The tools that do the workAmazon Elastic Compute Cloud EC2job descriptions

Install upgrades and patches

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Stage the vendor patch set on the replica nodes, run schema and compatibility checks, roll the patch to…
Stage the vendor patch set on the replica nodes, run schema and compatibility checks, roll the patch to primaries during the approved window, and confirm application connectivity and backup integrity before closing the change ticket.
The tools that do the workAnsiblejob descriptions

Support incident and problem management

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Triage the database incident: capture current error logs and slow query samples, correlate with recent…
Triage the database incident: capture current error logs and slow query samples, correlate with recent deployments, create a prioritized action plan, notify the incident manager and update the problem record with root-cause hypotheses.
The tools that do the workApache Hivejob descriptions

Says who?

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The logs, files & records this job keeps

Shared with other careers — the same record means something different in each.

Related careers

Same family of work — each with its own tasks and prompts.

The LLOS Work Atlas is the world's largest evidenced task library — a map of human work, with a ready prompt behind every task. 1,774 careers · every task named by the sources that witnessed it — O*NET, ESCO, real job descriptions, Wikipedia — and the deepest tasks by several at once. And it is honest about limits: where AI cannot help, the map says so.

The rest of the map

Same library, five ways in.

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Built on public evidence: O*NET®, ESCO, Wikipedia, U.S. Bureau of Labor Statistics, ILOSTAT. All sources & licenses