Harlequin
The SQL IDE for Your Terminal.
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  • Getting Started
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  • Selecting an Adapter
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  • Viewing Files
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  • Local Files
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  • Remote Objects (S3)
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  • Choosing a Theme
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  • Using Config Files
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  • Customizing Key Bindings
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  • Creating a Keymap
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  • Selecting Keymaps
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  • Managing Transactions
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  • Adapter: DuckDB
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  • Initialization Scripts
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  • Loading Extensions
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  • Transaction Handling
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  • MotherDuck
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  • Adapter: SQLite
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  • Initialization Scripts
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  • Loading Extensions
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  • Transaction Handling
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  • Adapter: Postgres
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  • Multiple Databases
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  • Transaction Handling
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  • Adapter: MySQL
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  • Adapter: ODBC
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  • Adapter: BigQuery
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  • Auth and Permissions
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  • Adapter: Trino
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  • Adapter: Databricks
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  • Adapter: ADBC
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  • Adapter: RisingWave
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  • Adapter: Wherobots
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  • Adapter: Cassandra
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  • Adapter: NebulaGraph
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  • Reference: Default Bindings
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  • Troubleshooting
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  • Key Bindings
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  • Copying and Pasting
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  • Appearance
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  • Locale
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  • Windows Timezone Database
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  • DuckDB Version Mismatch
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  • Terminal Recommendations
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  • Contributing to Harlequin
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  • Creating an Adapter
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Terminal Recommendations

If you are using the default Mac Terminal or Windows Command Prompt, you may want to switch to a more modern terminal. The following terminals are free and come highly recommended:

  • Windows (native or WSL2): Windows Terminal
  • Mac: iTerm2
  • Linux: Gnome, Alacritty

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DuckDB Version Mismatch

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Contributing to Harlequin

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