Inventor

CHENG XUN

US27 patents

⚠️ This page may combine multiple inventors who share the name “CHENG XUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHENG XUN

SYBASE INC

Star and snowflake join query performance

Splitting of a join operation to allow parallelization

Generating a producer-driven execution plan from a consumer-driven iterator-based execution plan

Splitting of a join operation to allow parallelization

Eliminating redundancy when generating intermediate representation code

Generating a native access plan for semi join operators

Generating a native access plan for dynamic entity calling

Native access plan source code generation

GOOGLE LLC

Columnar cache query using hybrid query execution plan

Elastic columnar cache for cloud databases

Columnar cache query using hybrid query execution plan

Elastic columnar cache for cloud databases

Evaluating row-store expressions on a column-store database

Database join operations with early filtering

Late materialization of queried data in database cache

PMC SIERRA INC

Systems and methods for ESD protection

Compact CMOS ESD layout techniques with either fully segmented salicide ballasting (FSSB) in the source and/or drain regions

Semiconductor device for latch-up prevention

Methods for forming fully segmented salicide ballasting (FSSB) in the source and/or drain region

SAP SE

Scaled-out query execution engine

Constraint data statistics for dynamic partition pruning

Synopsis based advanced partition elimination

ANDREI MIHNEA

System and methodology for automatic tuning of database query optimizer

ANDRE MIHNEA

Non-disruptive data movement and node rebalancing in extreme OLTP environments

ZHOU XIAO MING

Maintenance of a pre-computed result set

CHENG XUN

Bloom filter costing estimation

BOYD GRAEME B

Semiconductor device for electrostatic discharge protection