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Packages 
Package Description
org.h2
Implementation of the JDBC driver.
org.h2.android
This package contains the H2 Android database API.
org.h2.api
Contains interfaces for user-defined extensions, such as triggers and user-defined aggregate functions.
org.h2.bnf
The implementation of the BNF (Backus-Naur form) parser and tool.
org.h2.bnf.context
Classes that provide context for the BNF tool, in order to provide BNF-based auto-complete.
org.h2.build
The pure Java build system and implementation.
org.h2.build.code
Source code checking classes.
org.h2.build.doc
Tools to build the documentation.
org.h2.build.doclet
A Javadoc doclet to build nicer and smaller API Javadoc HTML files.
org.h2.build.i18n
Internationalization tools.
org.h2.build.indexer
A Javadoc indexing mechanism.
org.h2.command
This package contains the parser and the base classes for prepared SQL statements.
org.h2.command.ddl
Contains DDL (data definition language) and related SQL statements.
org.h2.command.dml
Contains DML (data manipulation language) and related SQL statements.
org.h2.compress
Lossless data compression classes.
org.h2.constraint
Database constraints such as check constraints, unique constraints, and referential constraints.
org.h2.dev.cache
A LIRS cache implementation.
org.h2.dev.cluster
A clustering implementation.
org.h2.dev.fs
An encrypting file system.
org.h2.dev.ftp
A simple FTP client.
org.h2.dev.ftp.server
A simple FTP server.
org.h2.dev.hash
A perfect hash function tool.
org.h2.dev.net
A tool to redirect and interpret PostgreSQL network protocol packets.
org.h2.dev.security
Security tools.
org.h2.dev.sort
Sorting utilities.
org.h2.dev.util
Utility classes that are currently not used in the database engine.
org.h2.engine
Contains high level classes of the database and classes that don't fit in another sub-package.
org.h2.expression
Expressions include mathematical operations, conditions, simple values, and functions.
org.h2.ext.pulsar
Extension for platon pulsar
org.h2.fulltext
The native full text search implementation, and the wrapper for the the Lucene full text search implementation.
org.h2.index
Various table index implementations, as well as cursors to navigate in an index.
org.h2.java
A Java parser implementation.
org.h2.java.io
A simple implementation of the java.lang.* package for the Java parser.
org.h2.java.lang
A simple implementation of the java.lang.* package for the Java parser.
org.h2.java.util
A simple implementation of the java.lang.* package for the Java parser.
org.h2.jcr
Utility classes related to the JCR API.
org.h2.jdbc
Implementation of the JDBC API (package java.sql).
org.h2.jdbcx
Implementation of the extended JDBC API (package javax.sql).
org.h2.jmx
Implementation of the Java Management Extension (JMX) features.
org.h2.message
Trace (logging facility) and error message tool.
org.h2.mode
Utility classes for compatibility with other database, for example MySQL.
org.h2.mvstore
A persistent storage for tree maps.
org.h2.mvstore.cache
Classes related to caching.
org.h2.mvstore.db
Helper classes to use the MVStore in the H2 database.
org.h2.mvstore.rtree
An R-tree implementation
org.h2.mvstore.type
Data types and serialization / deserialization
org.h2.result
Implementation of row and internal result sets.
org.h2.samples
Standalone sample applications.
org.h2.schema
Schema implementation and objects that are stored in a schema (for example, sequences and constants).
org.h2.security
Security classes, such as encryption and cryptographically secure hash algorithms.
org.h2.server
A small FTP server.
org.h2.server.pg
PostgreSQL server implementation of this database.
org.h2.server.web
The H2 Console tool.
org.h2.store
Storage abstractions, such as a file with a cache, or a class to convert values to a byte array and vice versa.
org.h2.store.fs
A file system abstraction.
org.h2.table
Classes related to a table and table meta data.
org.h2.test
High level test classes.
org.h2.test.ap
An annotation processor used for testing.
org.h2.test.bench
The implementation of the benchmark application.
org.h2.test.db
Database tests.
org.h2.test.jdbc
JDBC API tests.
org.h2.test.jdbcx
Tests related to distributed transactions.
org.h2.test.mvcc
Multi version concurrency tests.
org.h2.test.poweroff
Multi version concurrency tests.
org.h2.test.recover
Recovery tests.
org.h2.test.rowlock
Row level locking tests.
org.h2.test.scripts
Script test files.
org.h2.test.server
This package contains server tests.
org.h2.test.store
This package contains tests for the map store.
org.h2.test.synth
Synthetic tests using random operations or statements.
org.h2.test.synth.sql
A synthetic test using random SQL statements executed against multiple databases.
org.h2.test.synth.thread
Synthetic tests using random operations in multiple threads.
org.h2.test.todo
Documentation and tests for open issues.
org.h2.test.trace
A player to interpret and execute Java statements in a trace file.
org.h2.test.unit
Unit tests that don't start the database (in most cases).
org.h2.test.utils
Utility classes used by the tests.
org.h2.tools
Various tools.
org.h2.upgrade
Implementation of the database upgrade mechanism.
org.h2.util
Internal utility classes.
org.h2.value
Data type and value implementations.
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