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dataframe/docs/StardustDocs/topics/dataSources/sql/Custom-SQL-Source.md

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+# Custom SQL Source
+
+<web-summary>
+Connect Kotlin DataFrame to any JDBC-compatible database using a custom SQL source configuration.
+</web-summary>
+
+<card-summary>
+Easily integrate unsupported SQL databases in Kotlin DataFrame using a flexible custom source setup.
+</card-summary>
+
+<link-summary>
+Define a custom SQL source in Kotlin DataFrame to work with any JDBC-based database.
+</link-summary>
+
+
+If your SQL database is not officially supported, you can either
+[create an issue](https://github.com/Kotlin/dataframe/issues)
+or define a simple, configurable custom SQL source.
+
+See the [How to Extend DataFrame Library for Custom SQL Database Support guide](readSqlFromCustomDatabase.md)
+for detailed instructions and an example with HSQLDB.
+