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Quasar documentation
  • Primer
  • Server Administration
    • 1. Installation
    • 2. Configuration
    • 3. Performance tuning
    • 4. Routine maintenance tasks
    • Observability
      • 1. Overview
      • 2. Monitoring QuasarDB Clusters
      • 3. Metrics reference
      • 4. Dashboards
      • 5. Retrieving Statistics from a QuasarDB Cluster
      • 6. Operational Logging
      • 7. Performance Tracing
      • 8. User properties
      • 9. Troubleshooting Guide
      • 10. Prometheus Exporter for QuasarDB metrics
    • 5. Security
    • 6. RocksDB Tuning Guide
  • User Guide
    • 1. Concepts
      • 1.1. Batch inserter
      • 1.2. Async Pipelines
      • 1.3. Compaction and Trimming
      • 1.4. Streaming changes and continuous queries
      • 1.5. Deduplication
      • 1.6. Memtables
      • 1.7. Parallelism
      • 1.8. Shards
      • 1.9. Storage Optimization Techniques
      • 1.10. Symbol columns
      • 1.11. Transactional Guarantees
    • 2. Tools
      • 2.1. quasardb shell
      • 2.2. Quasar OLAP Interface
      • 2.3. quasardb import tool
      • 2.4. quasardb export tool
      • 2.5. quasardb database tool
      • 2.6. quasardb REST API
      • 2.7. quasar cryptocurrency feed handler
    • 3. Integrations
      • 3.1. DBeaver
      • 3.2. Grafana connector
      • 3.3. Kafka connector
      • 3.4. Excel
      • 3.5. ODBC
      • 3.6. Prometheus Remote Storage
      • 3.7. SAS
      • 3.8. Spark connector
      • 3.9. Tableau
    • 4. APIs
      • 4.1. Python
      • 4.2. Java
      • 4.3. Go
      • 4.4. .Net
      • 4.5. C
      • 4.6. REST API
    • 5. Howtos
      • 5.1. Industrial waveform processing with Quasar
      • 5.2. Creating OHLC charts with Quasar
      • 5.3. US treasury yield curves modelization
      • 5.4. Crypto triangular arbitrage using ASOF JOIN
      • 5.5. Flexible sensor data modeling
      • 5.6. How to handle multiple versions of the same data
      • 5.7. How to handle corporate actions
    • 6. Best practices
      • 6.1. Managing tables with Tags
      • 6.2. Reaching your performance goals
      • 6.3. Batch Import Best Practices
  • Query language
    • 1. Aggregated tables
    • 2. Alter table
    • 3. Create table
    • 4. Delete from
    • 5. Drop table
    • 6. User management
    • 7. Import
    • 8. Insert
    • 9. Orderbook
    • 10. Repair table
    • 11. Revoke
    • 12. Select
    • 13. Show disk usage
    • 14. Show grants
    • 15. Show table
    • 16. Show tables
    • 17. Slippage
    • 18. LAG and LEAD
    • 19. Update
    • 20. Functions & Operators
    • 21. Key/value lookups
    • 22. Timestamps
  • Internals
    • 1. Transactions
    • 2. Clustering
    • 3. Data Storage
    • 4. Data Transfer
    • 5. Change Stream
  • Support
    • 1. Contact
    • 2. Change log
    • 3. Upgrading your QuasarDB installation
    • 4. License
    • 5. Credits
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  3. 1. Contact

1. Contact#

Please send an email to support@quasar.ai to raise a support ticket.

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