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DBAs

Database Administrator (DBA) is an information technology professional responsible for managing and maintaining database management systems (DBMS). They ensure performance, integrity, security, and availability of databases and the data they hold. Tasks include installation, configuration, upgrades, patching, and capacity planning.

Core duties include data modeling and schema design, performance tuning and query optimization, implementing backup and

DBAs often support multiple environments: production, development, and test. Some organizations distinguish production DBAs from development

Qualifications: typically a bachelor's degree in computer science or related field; strong knowledge of SQL, data

In many organizations, DBAs are part of IT operations, development, or data management teams. The role is

recovery
strategies,
setting
and
enforcing
access
controls,
auditing,
encryption,
and
logging.
They
configure
high
availability,
replication,
clustering,
and
failover;
monitor
systems
and
respond
to
incidents;
manage
changes
and
release
processes.
DBAs.
Common
database
platforms
include
Oracle,
Microsoft
SQL
Server,
MySQL,
PostgreSQL,
and
IBM
Db2,
as
well
as
cloud-native
services
such
as
AWS
RDS/Aurora,
Azure
SQL
Database,
and
Google
Cloud
SQL.
Responsibilities
may
vary
by
platform
and
environment.
modeling,
and
database
design;
scripting
skills
(PowerShell,
Bash,
Python);
familiarity
with
monitoring,
backup/recovery
tools,
security
practices,
and
disaster
recovery.
Certifications
such
as
Oracle
Certified
Professional,
Microsoft
Certified:
SQL
Server,
or
vendor-specific
credentials
are
common.
evolving
with
trends
in
automation,
cloud
migration,
database
as
a
service
(DBaaS),
and
DevOps/SRE
practices,
emphasizing
reliability,
automation,
and
scalable
architectures.