Home / Data Platforms / Oracle DWH & SQL
02 / Data Platforms
Oracle Data Warehouse & SQL.
Oracle Database · Enterprise DWH · Oracle SQL Developer · SAP BusinessObjects · Oracle Data Pump
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01 / Engineering activities
Administration, Data Quality & Recovery
Data Warehouse Infrastructure & Administration
- Installed, configured, and maintained an Oracle-based DWH environment supporting analytical reporting.
- Administered a centralized warehouse used as a data source for SAP BusinessObjects.
- Supported availability, operational stability, and data accessibility.
- Investigated database-related reporting and retrieval incidents.
SQL Development & Data Analysis
- Used Oracle SQL Developer for SQL execution, investigation, and data analysis.
- Developed SQL queries for extraction, validation, investigation, and reporting support.
- Verified data completeness, accuracy, and consistency in DWH tables.
- Optimized SQL and investigated execution errors and inefficient queries.
ETL Load Validation & Data Quality
- Monitored and validated warehouse load processes.
- Investigated missing, incomplete, duplicated, or inconsistent data.
- Reconciled loaded datasets against expected reporting results.
- Troubleshot ETL-related data issues affecting SAP BusinessObjects reporting.
Historical Data Reloading & Recovery
- Performed targeted reloads for business dates and historical reporting periods.
- Investigated incomplete historical loads and supported corrective reprocessing.
- Validated reloaded datasets before they were used for analytical reporting.
Database Export, Import & Backup Operations
- Used Oracle Data Pump (expdp/impdp) for export and import.
- Managed data extraction and export for operations and maintenance.
- Performed backup-related tasks and supported data recovery.
- Verified exported dataset availability and integrity.
SQL Query Optimization & Performance Troubleshooting
- Investigated resource-intensive SQL and warehouse performance bottlenecks.
- Optimized inefficient queries used by analytical workloads.
- Troubleshot database-side issues affecting SAP BusinessObjects report execution and retrieval.
SAP BusinessObjects Integration & Reporting Support
- Maintained the Oracle DWH as a source for SAP BusinessObjects reporting.
- Validated data against reporting requirements.
- Investigated discrepancies caused by missing, late, or inconsistent warehouse data.
- Supported reliable analytical data access.
02 / Technology index
Core technical competencies
Oracle DatabaseEnterprise Data WarehouseOracle SQL DeveloperSQL DevelopmentData AnalysisData Pump expdp/impdpExport & ImportBackup & RecoveryData ConsistencyReconciliationHistorical ReloadingSQL OptimizationSAP BusinessObjectsAnalytical Reporting