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Top 10 Free Relational Database Management Systems (RDBMS)
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Top 10 Free Relational Database Management Systems (RDBMS)

Top 10 Free Relational Database Management Systems (RDBMS)
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Companies handle data and need to utilize an effective database management system (DBMS) to organize their data on a daily basis. The best DBMS allows users to keep accurate records of data, organize, manipulate, and retrieve data. Companies need a system that allows them to access the information they want at the right time, identify and manage relationships between different sets of data, update existing data, delete unwanted or outdated data, and perform search queries at any given moment. There are different types of database management systems, but the relational database management system (RDBMS) is the most popular type of DBMS. The RDBMS has been the predominant DBMS for more than 40 years. With the right RDBMS, companies can create and manage relational databases with all kinds of structured data such as employee data, customer data, sales data, phone numbers, census records, legal records, and library catalogs.

Top Free Relational Database Management System (RDBMS): Db2 Express-C, SQLite, CUBRID, Firebird, Oracle Database XE, MariaDB, Sequel Pro, PostgreSQL, MySQL, SQL Server Express are some of the Top Relational Database Management System (RDBMS).

What are Relational Database Management System (RDBMS)?

In 1970, Edgar Codd wrote a paper that established the theoretical basis for modern-day relational databases. These databases are based on the relational model, structured query language (SQL), and ACID transactions. Relational databases organize data into tables with rows and columns. The term relational means that values within each table are related to each other. Rows are also known as records and one table can have hundreds, thousands or millions of them. Columns or fields have a descriptive name and a specific data type.

Relational database users use a relational database management system to manage these databases. An RDBMS can be defined as a database program that allows database users to perform different queries on relational database data. It’s the software that allows you to add data, update the database, search for values, and retrieve information. RDBMSs can also provide visual representations of data. RDBMSs use structured query language to execute queries.

  • Data Storage – One of the key features of an RDBMS is the ability to store data in tables. Each table consists of many rows and columns that store the actual values. Tables provide a rigid structure for storing structured data.
  • SQL Commands – An RDBMS allows users to perform queries with the help of SQL commands. The system uses different commands to store new data, modify existing data, perform searches, and retrieve data based on the user’s input.
  • ACID Transactions – Another important feature of an RDBMS is the ability to ensure ACID (atomicity, consistency, isolation, durability) transactions. This feature ensures that all transactions are complete, consistent based on all defined rules, and free from any problems associated with errors, system crashes, and power loss.
  • Cross-Platform Use – Some RDBMSs are available on multiple platforms including Android, iOS, Solaris, Linux, Mac, VxWorks, Windows, and Unix. This means RDBMSs are available on smartphones, PDAs, MP3 players, tablets, computers, and set-top boxes.
  • Replication and Partitioning – The best RDBMSs include a feature that allows users to partition tables and replicate data. Database users can subdivide tables and indexes into smaller pieces that are easy to manage.

Some of the benefits include:

  • Partitioning and replication schemes help businesses to improve their overall performance by meeting every business need.
  • ACID transactions ensure data integrity, completeness, and accuracy.
  • Multiple users can use the system simultaneously.
  • Easy to understand and use – SQL uses simple English language keywords.
  • Availability and affordability.

Top Relational Database Management System (RDBMS)

Db2 Express-C, SQLite, CUBRID, Firebird, Oracle Database XE, MariaDB, Sequel Pro, PostgreSQL, MySQL, SQL Server Express are some of the Top Relational Database Management System (RDBMS).
Top Relational Database Management System (RDBMS)
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1

Db2 Express-C

Db2 Express-C

Db2 Express-C is a free community edition of Db2 database software which provides the core features of more scalable Db2 editions. It has a fast set setup, easy to use, ideal for academia, small businesses and multi-branch companies. It’s ideal for most startups and small/medium sized businesses. It’s very fast, secure, reliable and very scalable. It can be run on either 32-bit or 64-bit systems with Linux or Windows operating systems. It has a memory limit of 4GB but there are no limits on the size of database or even number of users. Data that is in transit or resting…

Bottom Line

Db2 Express-C is a free community edition of Db2 database software that has a fast setup, easy to use, ideal for academia, small businesses and multi-branch companies.

7.6
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7.5
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5 ratings
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Db2 Express-C

2

SQLite

SQLite

SQLite is a the most widely deployed database in the world with very many applications which includes very many high-profile projects. It implements a self-contained, server less, zero configuration and transactional SQL database engine. It’s free to use for any purpose, commercial or private. SQLite is embedded into the end program. It’s not a client-server database engine. SQLite stores its entire database as a single cross-platform file on a host machine. It’s an SQL database engine that is embedded. It doesn’t have a separate server process. It reads and writes to ordinary disk files directly. A complete SQL database with…

Bottom Line

SQLite is a the most widely deployed database in the world with very many applications which includes very many high-profile projects and it implements a self-contained, server less, zero configuration and transactional SQL database engine.

7.6
Editor Rating
8.8
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2 ratings
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SQLite

3

CUBRID

CUBRID

CUBRID is an open source and free database engine that provides built-in enterprise grade features. CUBRID provides a high level of SQL compatibility along with MySQL and other known databases. The main features of CUBRID are; data sharing, high performance data caching, object oriented database elements relations, a native middleware broker, extendible and customizable globalization support. CUBRID provides an open source software that is powerful and enables stable and high performance without any limitations. CUBRID provides a platform for users to build a custom database solution for their website by contacting CUBRID core dev team who will analyze the project…

Bottom Line

CUBRID is an open source and free database engine that provides high level of SQL capability along with MySQL and also features built-in enterprise grade features such as high performance data caching.

7.6
Editor Rating
8.4
Aggregated User Rating
2 ratings
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CUBRID

4

Firebird

Firebird

Firebird is a relational and open source database that provides many SQL and ANSI features that are able to perform on Windows, Linux, and several UNIX platforms. Firebird provides excellent concurrency, powerful language support, and high performance support for stored procedures and triggers. Firebird simply provides an open source relational database management system that provides excellent performance and scales impressively by use of an embedded and single user model to enterprise wide deployments. The main features provided by Firebird are; multi-generation architecture, support of all major platforms and operation systems, SQL language that is powerful and friendly, monitoring and logging,…

Bottom Line

Firebird is an open source and relational database that provides excellent performance and scales impressively by use of embedded and single user model that provides many SQL and ANSI features.

7.6
Editor Rating
8.6
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1 rating
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Firebird

5

Oracle Database XE

Oracle Database XE

Oracle database XE is an entry-level, small-footprint database on the Oracle Database 11g Release 2 code base. It’s free to develop, deploy, and distribute, fast to download and simple to administer. With Oracle Database XE, you can now develop and deploy applications with a powerful, proven, industry-leading infrastructure, and then upgrade when necessary without costly and complex migrations.Oracle Database XE can be installed on any size host machine with any number of CPUs (one database per machine), but XE will store up to 11GB of user data, use up to 1GB of memory, and use one CPU on the host…

Bottom Line

Oracle database XE is an entry-level, small-footprint database on the Oracle Database 11g Release 2 code base.

7.6
Editor Rating
7.7
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4 ratings
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Oracle Database XE

6

MariaDB

MariaDB is a powerful database server that is made from MySQL developers. MariaDB provides a platform for getting structured information from given data by use of a broad range of applications that range from websites to banking. MariaDB is simply a placement for MySQL that is enhanced. MariaDB provides a fast, robust, and scalable database server with a full grained ecosystem of plugins, storage engines, and several other database tools that enable MariaDB to be versatile for a wide range of uses cases. MariaDB provides an excellent platform for a SQL interface for data accessing as it is developed as…

Bottom Line

MariaDB is an enhanced drop-in replacement for MySQL and a powerful database server made for MySQL developers providing a platform for turning data into structured information by using a wide array of features.

7.6
Editor Rating
6.1
Aggregated User Rating
4 ratings
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MariaDB

7

Sequel Pro

Sequel Pro

Sequel Pro is a fast, easy to use Mac database management application that works with MySQL databases. It’s open source. It gives an organization direct access to its MySQL databases on local and remote servers. It provides a perfect web development companion. Mac Web developers, programmers or software developers get their workflow streamlined with a native mac OS X application. It very easy to install, all that needs to be done is to just download, connect to an organizations database and then use the provided guides to get started. Sequel Pro allows an organization to manage its databases and tables.…

Bottom Line

Sequelpro is a fast, easy to use Mac database management application that works with MySQL databases.

7.6
Editor Rating
8.0
Aggregated User Rating
1 rating
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Sequel Pro

8

PostgreSQL

PostgreSQL

PostgreSQL is a powerful open source object-relational database system. It has a strong reputation in terms of reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, macOS, Solaris, Tru64) and Windows. It is a development platform which allows developing in-house, web, or commercial software products that require a capable RDBMS. It is highly scalable both in the sheer quantity of data it can manage and in the number of concurrent users it can accommodate. It has a fully relational system catalog that supports multiple schemas per database. It also…

Bottom Line

PostgreSQL is a powerful open source object-relational database system.

7.6
Editor Rating
8.2
Aggregated User Rating
2 ratings
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PostgreSQL

9

MySQL

MySQL

MySQL is the world’s most popular open source database. It’s the leading database choice for web-based applications. It supports SQL as its database language. It has views that relate to an SQL query that is viewed as a distinct database object and makes it possible for one to view a particular part of a database. It also has stored procedures that are simply SQL codes that are stored in the database system. These stored procedures are used to simplify certain steps like inserting or deleting a data record. It has triggers which are SQL commands that are automatically executed by…

Bottom Line

MySQL is the world’s most popular open source database.

7.6
Editor Rating
8.5
Aggregated User Rating
4 ratings
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MySQL

10

SQL Server Express

SQL Server Express

SQL Server Express is a free database software that works great with any web application framework like PHP, including applications such as WordPress, and Drupal. It can be used to store and access the information stored in many different databases. It is a full database engine that can be deployed to a server or embedded into an application. It comes with a lot of free storage with three online encyclopedias that are free to distribute and even comes with reporting and online backup plus other great capabilities. It allows for 10GB of storage. It has the drivers that are needed…

Bottom Line

SQL Server express is a free database software that works great with any web application framework like PHP, and applications such as WordPress, and Drupal and can be used to store and access the information stored in many different databases.

7.6
Editor Rating
7.4
Aggregated User Rating
3 ratings
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SQL Server Express

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