scalikejdbc/scalikejdbc

Health v2 · maintenance only

Adoption not part of the score

1281 stars · 227 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

ScalikeJDBC is a tidy SQL-based database access library for Scala that wraps JDBC APIs with easy-to-use, flexible APIs and a type-safe QueryDSL. It includes connection pooling, an optional ActiveRecord-inspired ORM extension, testing support, and a mapper-generator sbt plugin for reverse engineering Scala code from existing databases.

Use cases

• write type-safe SQL queries in Scala
• access PostgreSQL, MySQL, or H2 from a Scala app
• avoid heavyweight ORM while keeping reusable DB code
• manage JDBC connection pools in Scala
• generate Scala model classes from an existing database schema
• query ClickHouse or Redshift via JDBC from Scala

When to choose

• you prefer writing SQL over a full ORM in Scala
• you want a production-ready, low-dependency JDBC wrapper with QueryDSL
• you need ActiveRecord-style associations without N+1 queries via scalikejdbc-orm
• your app runs on the JVM and blocking IO is acceptable

When to avoid

• you need non-blocking/async database access (JDBC blocks on socket IO)
• you are not using Scala or the JVM
• you want a fully automatic ORM with schema migrations out of the box

Facets

library · maturity stable

database orm database-driver databases backend developer-tools jvm scala jdbc sql querydsl connection-pool activerecord-inspired

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