Table Properties

Complete reference for DeltaForge table properties: 105 entries grouped by category with syntax and semantics. Mirror of the interactive documentation at docs.deltaforge.org.

Auto-Analyze

Name	Summary
`delta.autoAnalyze.columns`
`delta.autoAnalyze.computeHistograms`
`delta.autoAnalyze.enabled`
`delta.autoAnalyze.minChangeRatio`
`delta.autoAnalyze.minNewRows`

Auto-Optimize

Name	Summary
`delta.autoOptimize.autoCompact`
`delta.autoOptimize.enabled`
`delta.autoOptimize.minSmallFiles`
`delta.autoOptimize.optimizeWrite`
`delta.autoOptimize.smallFileThreshold`
`delta.autoOptimize.targetFileSize`
`delta.autoOptimize.useZOrder`
`delta.autoOptimize.zorderColumns`
`delta.targetFileSize`
`delta.tuneFileSizesForRewrites`

Auto-Vacuum

Name	Summary
`delta.autoVacuum.enabled`
`delta.autoVacuum.minOrphanBytes`
`delta.autoVacuum.minOrphanFiles`

Catalog

Name	Summary
`delta.catalogManaged`
`delta.catalogProvider`
`delta.glue.database`

Checkpointing

Name	Summary
`delta.checkpoint.writeStatsAsJson`
`delta.checkpoint.writeStatsAsStruct`
`delta.checkpointInterval`

Clustering

Name	Summary
`delta.clustering`
`delta.clusteringColumns`
`delta.clusteringProvider`
`delta.liquidClustering.enabled`

Column Metadata

Name	Summary
`delta.columnDefault`
`delta.defaultExpression`
`delta.generationExpression`

Constraints

Name	Summary
`delta.constraints.<name>`
`delta.invariants`

Core Features

Name	Summary
`delta.appendOnly`
`delta.cdc.retentionHours`
`delta.columnMapping.maxColumnId`
`delta.columnMapping.mode`
`delta.enableChangeDataFeed`
`delta.enableTypeWidening`
`delta.typeChanges`

Data Skipping

Name	Summary
`delta.bloomFilter.columns`
`delta.bloomFilter.fpp`
`delta.bloomFilter.numItems`
`delta.dataSkipping.bloomFilter.columns`
`delta.dataSkippingNumIndexedCols`
`delta.dataSkippingStatsColumns`

Deletion Vectors

Name	Summary
`delta.enableDeletionVectors`

Feature Flags

Name	Summary
`delta.feature.allowColumnDefaults`
`delta.feature.checkConstraints`
`delta.feature.domainMetadata`
`delta.feature.generatedColumns`
`delta.feature.icebergCompatV1`
`delta.feature.icebergCompatV2`
`delta.feature.icebergCompatV3`
`delta.feature.identityColumns`
`delta.feature.inCommitTimestamp`
`delta.feature.invariants`
`delta.feature.rowTracking`
`delta.feature.timestampNtz`
`delta.feature.typeWidening`
`delta.feature.v2Checkpoint`
`delta.feature.vacuumProtocolCheck`
`delta.feature.variantType`

Graph

Name	Summary
`delta.forge.graph.autoUpdateCsr`

Identity Columns

Name	Summary
`delta.enableIdentityColumns`
`delta.identity.allowExplicitInsert`
`delta.identity.blockAllocationSize`
`delta.identity.start`
`delta.identity.step`

Incremental Loading

Name	Summary
`delta.forge.incremental.columns`
`delta.forge.incremental.dateColumn`
`delta.forge.incremental.dialect`
`delta.forge.incremental.filter`
`delta.forge.incremental.overlapDays`

Log Retention

Name	Summary
`delta.deletedFileRetentionDuration`
`delta.logCompaction.maxLogFiles`
`delta.logCompaction.minLogFiles`
`delta.logCompactionEnabled`
`delta.logRetentionDuration`
`delta.setTransactionRetentionDuration`

Parquet

Name	Summary
`delta.parquet.compression.codec`

Predictive Optimization

Name	Summary
`delta.predictiveOptimization.enabled`
`delta.predictiveOptimization.maxConcurrent`
`delta.predictiveOptimization.minIntervalHours`
`delta.predictiveOptimization.schedule`

Protocol

Name	Summary
`delta.isolationLevel`
`delta.minReaderVersion`
`delta.minWriterVersion`

Row Tracking

Name	Summary
`delta.enableRowLevelConcurrency`
`delta.enableRowTracking`
`delta.rowLevelConcurrency.maxDVBytes`
`delta.rowLevelConcurrency.maxDVsToLoad`
`delta.rowTracking.highWaterMark`
`delta.rowTracking.preserved`

Statistics

Name	Summary
`delta.lastAnalyzeTime`
`delta.lastOptimizeTime`
`delta.lastVacuumTime`
`delta.statistics.histograms`

Universal Format

Name	Summary
`delta.universalFormat.enabledFormats`
`delta.universalFormat.icebergDeleteMode`
`delta.universalFormat.icebergEqualityColumns`
`delta.universalFormat.icebergRelativePaths`
`delta.universalFormat.icebergVersion`

Workload Awareness

Name	Summary
`delta.workloadAware.enabled`
`delta.workloadAware.preferredHours`