Saving Your Work Saving Your Work You could argue that this is a complete “hello, world” program of sorts. However, it still has a problem. If you exit Lisp and restart, the fu...

SQL-based ingestion concepts Multi-stage query task engine SQL extensions Read external data with EXTERN Load data with INSERT Overwrite data with REPLACE Write to an externa...

Group Commit Group Commit Mode Basic operations Use JDBC INSERT INTO VALUES Stream Load Http Stream Group commit condition Modify the time interval condition Modify the dat...

SQL-based ingestion concepts Multi-stage query task engine SQL extensions Read external data with EXTERN Load data with INSERT Overwrite data with REPLACE Primary timestamp ...

SQL-based ingestion concepts Multi-stage query task engine SQL extensions Read external data with EXTERN Load data with INSERT Overwrite data with REPLACE Primary timestamp ...

Performance Considerations for Join Queries How Joins Are Processed when Statistics Are Unavailable Overriding Join Reordering with STRAIGHT_JOIN Examples of Join Order Optimizat...

Comparison Known Time Series Database Comparison Feature Comparison Basic Features Advanced Features Performance Comparison quick review More details Conclusion Compar...

Benchmarking tool Quickstart Writing benchmarks Async functions Iterations and warmup runs Running benchmarks Filtering Command line filtering Bench definition filtering Fil...

NDV Function NDV Function An aggregate function that returns an approximate value similar to the result of COUNT(DISTINCT col) , the “number of distinct values”. It is much fas...

Production deployment Deployment architecture Load Balancer (LB) EMQ X Cluster Deploying on QingCloud Deploying on AWS Deploying on private network Direct connection of EMQ X ...