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Pondra
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Install
Your first lake
The SQL shell
A ten-minute tour
The console
Guides
Tables
Load data
Query
Files and other lakes
Change rows
Streaming
Flows
DataFrames
PySpark
Functions and procedures
Run files as jobs
Branches and environments
Other engines
Kafka
Vectors, files and models
Clusters
Upgrades and stopping nodes
Object storage
Deploy
Notebooks
dbt and BI tools
Security
Share a table
Many databases
Overview
Reference
SQL statements
SQL functions
Table options
Names for reading and writing
Python client
Frames
JavaScript client
HTTP API
Postgres port
Arrow Flight
Kafka protocol
Iceberg REST catalog
MCP
Command line
Environment variables
System columns and tables
Concepts
How Pondra works
The lake format
Keyed tables
What Pondra survives
Freshness and guarantees
Performance
Pondra compared
Design notes
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