Database Administrator Database AdministratorRelational DatabasesDatabase Management Systems (DBMS)Oracle DatabaseMicrosoft SQL ServerMySQLPostgreSQLIBM Db2Database Design and ModelingEntity-Relationship Diagrams (ERD)NormalizationIndexing and Query OptimizationPerformance TuningData PartitioningDatabase Backup and RecoveryBackup StrategiesRecovery ModelsPoint-in-Time RecoveryDisaster Recovery PlanningDatabase CloningDatabase SecurityUser and Access ManagementRoles and PermissionsAuthentication and AuthorizationEncryption and Data MaskingAuditing and ComplianceDatabase Monitoring and MaintenancePerformance MonitoringDatabase Health ChecksSpace ManagementDatabase OptimizationPatching and UpgradesDatabase High Availability and ReplicationClusteringReplicationMirroringLog ShippingAlways On Availability GroupsDatabase Migration and IntegrationData Migration StrategiesETL (Extract, Transform, Load) ProcessesData Integration ToolsData SynchronizationSchema EvolutionBusiness and Technical SkillsTroubleshooting and Problem SolvingSQL (Structured Query Language)Scripting Languages (e.g., Shell Scripting, Python)Backup and Recovery StrategiesProject ManagementCommunication and Collaboration Skills