The table below lists, for each package, which database testing servers it uses as part of its unit tests.

Package
PostgreSQL
SQL Server
Oracle
Redshift
Snowflake
Spark
BigQuery
SQLite
InterSystems IRIS
Achilles T T T T X X X X X
Andromeda                  
BigKnn                  
BrokenAdaptiveRidge                  
Capr X X X X X X X T X
Characterization T T T T T T T T X
CirceR                  
CohortDiagnostics T T T T X X X T X
CohortExplorer T T T T X X X X X
CohortGenerator T T T T T T T T X
CohortIncidence X X X X X X X T X
CohortMethod T X T X X X X T T
Cyclops                  
DatabaseConnector T T T T T T T T T
DataQualityDashboard T T T T X X X T X
DeepPatientLevelPrediction X X X X X X X T X
EmpiricalCalibration                  
EnsemblePatientLevelPrediction                  
Eunomia X X X X X X X T X
EvidenceSynthesis                  
FeatureExtraction T T T T T T T T X
Hydra X X X X X X X T X
IterativeHardThresholding                  
Keeper X X X X X X X T X
MethodEvaluation X X X X X X X T X
OhdsiSharing                  
OhdsiShinyModules T X X X X X X T X
ParallelLogger                  
PatientLevelPrediction T X X X X X X T X
PhenotypeLibrary                  
PheValuator X X X X X X X T X
ResultModelManager T X X X X X X T X
ROhdsiWebApi                  
SelfControlledCaseSeries T X X X X X X T X
SelfControlledCohort T T T T X X X T X
ShinyAppBuilder X X X X X X X T X
SqlRender                  
Strategus T T T T X X X T X
TreatmentPatterns X X X X X X X T X

This table was constructed simply by looking for the environmental variable names of the test server credentials in each package’s test code, and may therefore not reflect actual testing. Whether a package connects to a database at all was determined by evaluating whether it imports DatabaseConnector.