# ldbc > ldbc - ldbc (Lepus Database Connectivity) is Pure functional JDBC layer with Cats Effect 3 and Scala 3. ## Docs - [Full Docs](https://takapi327.github.io/ldbc/llms-full.txt) Full documentation of ldbc. (without examples) - [Tiny Docs](https://takapi327.github.io/ldbc/llms-small.txt): Tiny documentation of ldbc. (includes only desciption of core) ### Core - [Index](https://takapi327.github.io/ldbc/latest/en/index.html) - [Migration Notes](https://takapi327.github.io/ldbc/latest/en/migration-notes.html) ### Tutorial - [Connection](https://takapi327.github.io/ldbc/latest/en/tutorial/Connection.html) - [Custom Data Type](https://takapi327.github.io/ldbc/latest/en/tutorial/Custom-Data-Type.html) - [Database Operations](https://takapi327.github.io/ldbc/latest/en/tutorial/Database-Operations.html) - [Error Handling](https://takapi327.github.io/ldbc/latest/en/tutorial/Error-Handling.html) - [Logging](https://takapi327.github.io/ldbc/latest/en/tutorial/Logging.html) - [Parameterized Queries](https://takapi327.github.io/ldbc/latest/en/tutorial/Parameterized-Queries.html) - [Query Builder](https://takapi327.github.io/ldbc/latest/en/tutorial/Query-Builder.html) - [Schema Code Generation](https://takapi327.github.io/ldbc/latest/en/tutorial/Schema-Code-Generation.html) - [Schema](https://takapi327.github.io/ldbc/latest/en/tutorial/Schema.html) - [Selecting Data](https://takapi327.github.io/ldbc/latest/en/tutorial/Selecting-Data.html) - [Setup](https://takapi327.github.io/ldbc/latest/en/tutorial/Setup.html) - [Simple Program](https://takapi327.github.io/ldbc/latest/en/tutorial/Simple-Program.html) - [Updating Data](https://takapi327.github.io/ldbc/latest/en/tutorial/Updating-Data.html) - [Index](https://takapi327.github.io/ldbc/latest/en/tutorial/index.html) ## Examples - [HikariCP](https://takapi327.github.io/ldbc/latest/en/examples/HikariCP.html) - [Http4s](https://takapi327.github.io/ldbc/latest/en/examples/Http4s.html) - [Otel](https://takapi327.github.io/ldbc/latest/en/examples/Otel.html) - [Index](https://takapi327.github.io/ldbc/latest/en/examples/index.html) ### QA - [How Do I Add Processing Before And After The Connection Is Established](https://takapi327.github.io/ldbc/latest/en/qa/How-do-I-add-processing-before-and-after-the-connection-is-established.html) - [How Do I Use My Own Type](https://takapi327.github.io/ldbc/latest/en/qa/How-do-I-use-my-own-type.html) - [How Do I Use Nested Models](https://takapi327.github.io/ldbc/latest/en/qa/How-do-I-use-nested-models.html) - [How To Change Column Names In Query Builder](https://takapi327.github.io/ldbc/latest/en/qa/How-to-change-column-names-in-Query-Builder.html) - [How To Change The Format Of Column Names Using The Schema](https://takapi327.github.io/ldbc/latest/en/qa/How-to-change-the-format-of-column-names-using-the-schema.html) - [How To Define Complex Queries With Plain Queries](https://takapi327.github.io/ldbc/latest/en/qa/How-to-define-complex-queries-with-plain-queries.html) - [How To Handle Multiple Databases](https://takapi327.github.io/ldbc/latest/en/qa/How-to-handle-multiple-databases.html) - [How To Perform DDL With Schema](https://takapi327.github.io/ldbc/latest/en/qa/How-to-perform-DDL-with-schema.html) - [How To Use Scala Connector Connection Pool](https://takapi327.github.io/ldbc/latest/en/qa/How-to-use-scala-connector-connection-pool.html) - [Implicit Search Problem Too Large](https://takapi327.github.io/ldbc/latest/en/qa/Implicit-search-problem-too-large.html) - [Is There A Function To Limit The Number Of Concurrent Queries](https://takapi327.github.io/ldbc/latest/en/qa/Is-there-a-function-to-limit-the-number-of-concurrent-queries.html) - [Is There A Way To Stream Query Results Asynchronously](https://takapi327.github.io/ldbc/latest/en/qa/Is-there-a-way-to-stream-query-results-asynchronously.html) - [What Is Ldbc](https://takapi327.github.io/ldbc/latest/en/qa/What-is-ldbc.html) - [What Is The Difference Between A Java Connect And A Scala Connector](https://takapi327.github.io/ldbc/latest/en/qa/What-is-the-difference-between-a-Java-connect-and-a-Scala-connector.html) - [Which Dependencies Should I Set](https://takapi327.github.io/ldbc/latest/en/qa/Which-dependencies-should-I-set.html) - [Index](https://takapi327.github.io/ldbc/latest/en/qa/index.html) ### Reference - [Connector](https://takapi327.github.io/ldbc/latest/en/reference/Connector.html) - [Performance](https://takapi327.github.io/ldbc/latest/en/reference/Performance.html) - [Index](https://takapi327.github.io/ldbc/latest/en/reference/index.html)