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Warning:
CockroachDB v20.1 is no longer supported as of November 12, 2021. For more details, refer to the Release Support Policy.
The examples in this section show you how to build simple "Hello World" applications using CockroachDB.
Apps
Click the links in the table below to see simple but complete example applications for each supported language and library combination.
If you are looking to do a specific task such as connect to the database, insert data, or run multi-statement transactions, see this list of tasks.
Note:
Applications may encounter incompatibilities when using advanced or obscure features of a driver or ORM with beta-level support. If you encounter problems, please open an issue with details to help us make progress toward full support.
| App Language | Drivers | ORMs | Support level |
|---|---|---|---|
| Python | psycopg2 | SQLAlchemy Django peewee |
Full |
| Java | JDBC | Hibernate jOOQ |
Full |
| Go | pgx pq |
GORM upper/db |
Full |
| Ruby | pg | ActiveRecord | Full |
| Node.js | pg | Sequelize | Beta |
| C | libpq | No ORMs tested | Beta |
| C++ | libpqxx | No ORMs tested | Beta |
| C# (.NET) | Npgsql | No ORMs tested | Beta |
| Clojure | java.jdbc | No ORMs tested | Beta |
| PHP | php-pgsql | No ORMs tested | Beta |
| Rust | postgres | No ORMs tested | Beta |
| TypeScript | No drivers tested | TypeORM | Beta |
See also
Reference information:
- Client drivers
- Third-party database tools
- Connection parameters
- Transactions
- Performance best practices
Specific tasks:
- Connect to the Database
- Insert Data
- Query Data
- Update Data
- Delete Data
- Optimize Query Performance
- Run Multi-Statement Transactions
- Error Handling and Troubleshooting
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