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QueryDSL

108
88
+ 1
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Sequel

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QueryDSL vs Sequel: What are the differences?

Developers describe QueryDSL as "Unified queries for Java". It is an extensive Java framework, which allows for the generation of type-safe queries in a syntax similar to SQL. It currently has a wide range of support for various backends through the use of separate modules including JPA, JDO, SQL, Java collections, RDF, Lucene, Hibernate Search, and MongoDB. On the other hand, Sequel is detailed as "The database toolkit for Ruby". It is a simple, flexible, and powerful SQL database access toolkit for Ruby. It includes a comprehensive ORM layer for mapping records to Ruby objects and handling associated records.

QueryDSL and Sequel can be primarily classified as "Database" tools.

Some of the features offered by QueryDSL are:

  • Working with raw SQL
  • Non-persistent collections
  • NoSQL databases

On the other hand, Sequel provides the following key features:

  • Provides thread safety, connection pooling and a concise DSL for constructing SQL queries and table schemas.
  • Supports advanced database features such as prepared statements, bound variables, stored procedures, savepoints, two-phase commit, transaction isolation, primary/replica configurations, and database sharding
  • Includes a comprehensive ORM layer for mapping records to Ruby objects and handling associated records

QueryDSL and Sequel are both open source tools. It seems that Sequel with 4.06K GitHub stars and 890 forks on GitHub has more adoption than QueryDSL with 2.44K GitHub stars and 568 GitHub forks.

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What is QueryDSL?

It is an extensive Java framework, which allows for the generation of type-safe queries in a syntax similar to SQL. It currently has a wide range of support for various backends through the use of separate modules including JPA, JDO, SQL, Java collections, RDF, Lucene, Hibernate Search, and MongoDB

What is Sequel?

It is a simple, flexible, and powerful SQL database access toolkit for Ruby. It includes a comprehensive ORM layer for mapping records to Ruby objects and handling associated records.

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What are some alternatives to QueryDSL and Sequel?
jOOQ
It implements the active record pattern. Its purpose is to be both relational and object oriented by providing a domain-specific language to construct queries from classes generated from a database schema.
Hibernate
Hibernate is a suite of open source projects around domain models. The flagship project is Hibernate ORM, the Object Relational Mapper.
Slick
It is a modern database query and access library for Scala. It allows you to work with stored data almost as if you were using Scala collections while at the same time giving you full control over when a database access happens and which data is transferred.
guava
The Guava project contains several of Google's core libraries that we rely on in our Java-based projects: collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth.
Java 8
It is a revolutionary release of the world’s no 1 development platform. It includes a huge upgrade to the Java programming model and a coordinated evolution of the JVM, Java language, and libraries. Java 8 includes features for productivity, ease of use, improved polyglot programming, security and improved performance.
See all alternatives