MySQL vs Oracle Database vs SQL Server comparison

MySQL is an open-source relational database management system (RDBMS) owned by Oracle. Before Oracle acquired the product, it was completely free for users. After the merge, the solution started offering paid services with more features, alongside a free version. MySQL can easily integrate with a wide variety of programming languages, which makes it one of the most flexible and reliable products among its competitors. This cost-effective solution helps users deliver high-performance and scalable database applications through several products. They include:

• MySQL HeatWave: This is an in-memory query accelerator for MySQL. It is a parallel, columnar, hybrid query-processing engine with algorithms for distributed query processing. This database service is used for transactions, analytics, and machine learning (ML). It offers simplified, secure real-time analytics. It can be deployed on Oracle Cloud Infrastructure (OCI), Amazon AWS, Azure, and users' data centers.
  
  
• My SQL Enterprise Edition: This edition of the solution includes the most comprehensive set of advanced features, technical support, and management tools. The combination functions achieves security, scalability, reliability, and uptime, while reducing risk, cost, and complexity, in managing MySQL applications.
  
  
• MySQL Standard Edition: This edition utilizes industrial-strength performance and reliability to help users deliver high-performance and scalable Open Transaction Processing (OLTP) applications.
  
  
• MySQL Classic Edition: This is an embedded database for independent software vendors (ISVs), original equipment manufacturers (OEMs), and value-added resellers (VARs), that are developing applications using the MyISAM storage engine.
  
  
• MySQL Community Edition: This is the free version of the product, which is supported by a large active community of open-source developers.
  
  
• MySQL Cluster CGE: This is a distributed database that combines linear scalability and high availability. It offers in-memory real-time access across partitioned and distributed databases.
  
  
• MySQL Embedded: This product offers MySQL as an embedded database and is most widely used by ISVs, OEMs, and VARs. It is utilized for making applications, hardware, and appliances more competitive by bringing them to market faster while lowering their cost of goods sold (COGs).

My SQL Features

The characteristics of each MySQL edition differ depending on what it offers and what clients it is catered towards. But the main features of the product include the following:

• Internals and portability: These capabilities allow MySQL to work on multiple platforms and provide transactional and non-transactional storage engines. This set of features is tested with Purify, Vilgrind, and a broad range of different compilers.
  
  
• Data types: Due to the flexibility of the data types feature of MySQL, the product is compatible with a very wide variety of data types, including fixed-length and variable-length string types.
  
  
• Statements and functions: This feature allows MySQL full operator and function support. It supports a wide variety of functions and allows users to refer to tables from different databases in the same statement.
  
  
• Security: The security features of MySQL provide users with a flexible privileged password system that enables host-based verification. The product offers encryption of all password traffic when users connect to a server.
  
  
• Scalability and limits: MySQL supports large databases with up to approximately 50 million records and up to 64 indexes per table.
  
  
• Connectivity: The connectivity features of the product allow clients to connect to MySQL using several protocols, providing them with freedom of choice in terms of which ones to use.
  
  
• Localization: Through this feature, the product offers availability to users in many languages. The server time zone can be changed dynamically and allows clients to specify their own time zone for their convenience.
  
  
• Clients and tools: The product includes several client and utility programs among its capabilities.

MySQL Benefits

MySQL brings many benefits to organizations that use it for their data. The most common ones include:

• Due to its initial open-source nature, MySQL is an easy to understand and beginner-friendly product.
  
  
• The solution still supports an open-source version as well, which means users can download, use, and modify it based on their requirements.
  
  
• MySQL ensures the consistency of data by storing it efficiently and minimizing redundancy.
  
  
• This is considered one of the fastest solutions on the market, a fact which is backed by many benchmark tests.
  
  
• MySQL is very flexible and supports a large number of embedded applications.
  
  
• The solution is compatible with many operating systems.
  
  
• This product offers clients the option to roll back transactions, as well as commit, and crash recovery.

Reviews from Real Users

According to a database engineer at a retailer with more than 10,000 employees, MySQL is a great open-source product that offers great scalability and compatibility.

Yong S., a solutions specialist, system integration, appreciates this product because it has different licensing options and is easy to set up.

Oracle Database is a top-ranking multi-model database management system by Oracle Corporation. Through Oracle database services and products, clients receive cost-optimized and high-performing versions of Oracle Database, as well as in-memory, NoSQL, and MySQL databases. The solution is available by several service providers on premises, in the cloud, or as a hybrid installation. It can be run on vendor servers as well as on Oracle hardware, including Exadata on-premise, Oracle Cloud, or Cloud at Customer.

Users can select from various types of Oracle Database solutions, depending on what they aim to do with this product. Based on their specific needs, they can choose among options that include:

• Autonomously managed Oracle databases: This type of database eliminates the complexity of operating and securing Oracle Database, while simultaneously ensuring high levels of performance, scalability, and availability for users.
  
  
• Oracle Database on Exadata: Users who seek particularly fast platforms can select this type of running solution. Exadata is a computing platform that is optimized for running Oracle Databases and it serves as the fastest platform for Oracle Database.
  
  
• Oracle Database on-premises deployment: The product allows for deployment on-premises for clients who have data residency and network latency concerns. This option also offers customers the benefit of updated Oracle Cloud technology, including Exadata and Autonomous Database.
  
  
• Oracle Database in the cloud: Organizations can use a specific version of this tool in the cloud, benefiting from complete control over the versions they run and when these versions change.

Part of this product is a fully automated database service called Oracle Autonomous Database, which facilitates the development and deployment of application workloads for organizations. It is built on Oracle Database as well as on Oracle Exadata. This service supports various data types and simplifies application development and deployment from modeling and coding to extract, transform, load process (ETL), data analysis, and database optimization. The service achieves high results in:

• Performance
• Availability
• Security for online transaction processing (OLTP)
• Analytics
• Batch
• Internet of Things (IoT) workloads

Oracle Database Features

Oracle Database has various features which users can utilize in their work with the solution. Among these features are the following:

• Backup and recovery: Oracle Database ensures the integrity of users' data in system failure situations. This feature utilizes a tool named Recovery Manager (RMAN), which allows administrators to perform cold, hot, and incremental database backups, as well as point-in-time recoveries.
  
  
• Clustering: This feature enables high availability of systems in order to run without interruption of services on occasions when one or more servers in a cluster fail. Included is a tool called Oracle Real Application Clusters.
  
  
• Data dictionary: Through this set of internal tables and views, Oracle Database can be administered more efficiently.
  
  
• Logical data structure: Through its feature for logical data structure, Oracle Database stores data in a way that allows users to interact with the database without knowing where the physical storage of the data is located.
  
  
• Memory catching: Through the memory caching architecture feature, users can scale up very large databases and still perform at a considerably high speed.
  
  
• Partitioning: This feature allows users to divide large tables into different pieces and store the pieces across storage devices.

Oracle Database Benefits

Oracle Database offers its users various benefits. Some of these include:

• The solution decreases costs for organizations and provides a high return on investment (ROI) through the multiple services and features it offers.
  
  
• Oracle Database has high-security protection which includes encryption, key management, data masking, and activity monitoring, that secures organizations' data within the tool.
  
  
• The tool offers users the ability to use a single database for all data types, simplifying the process for them.
  
  
• Oracle Database can be deployed in multiple places, including data centers and public and private clouds, which allows great flexibility for users.
  
  
• The product allows applications from different platforms to communicate with the database through its networking stack.
  
  
• Oracle Database is ACID-compliant, which helps maintain data reliability and integrity.

Reviews from Real Users

Paul S., president at Advance Consulting Enterprise, likes Oracle Database because it gets the job done, doesn't fail, and suitable for massively scalable applications.

An Oracle DBA at a computer software company describes Oracle Database as reliable with good performance and very good stability.

SQL Server is a relational database management system (RDBMS) by Microsoft. The product's main purposes are to store data and retrieve it as requested by other software applications - on the same computer or on another computer across a shared network. The solution is built on top of Structured Query Language (SQL), which is a standardized programming language used for relational database management.

The product is tied to Transact-SQL (T-SQL), which is an implementation of SQL from Microsoft that adds several proprietary programming extensions to the standard language. SQL Server is built similarly to other RDBMS products, as its structure is a row-based table that connects related data elements in different tables to one another. One of its most important components is the SQL Server Database Engine, as it controls data processing, storage, and security. Beneath the Database Engine is the SQL Server Operating System, which is used for memory and I/O management, locking data to avoid unneeded upgrades, and job scheduling.

The solution has four editions with different sets of services and tools. They include:

• SQL Server Developer
• SQL Server Expression
• SQL Server Standard 
• SQL Server Enterprise

The first two are available for free and are typically utilized by smaller companies, as they work with fewer functions and storage. The second two editions are generally used by bigger organizations and enterprises and offer more features.

The solution has several functions through which users can facilitate different data-related processes. These include:

• Aggregate functions: These functions are used to calculate one or more values and return a single value.
  
  
• Window functions: Window functions calculate an aggregate value based on a group of rows and return multiple rows for each involved group.
  
  
• Date functions: These functions allow clients to handle data and time data efficiently.
  
  
• String functions: Through the string functions, SQL Server processes an input string and returns a string or numeric value.
  
  
• System functions: The system functions of the product return objects, values, and settings.

SQL Server Services

SQL Server has a wide range of add-on services that provide additional benefits beyond database management. These services include:

• Machine learning: SQL Server machine learning services allow users to do machine learning and data analytics within the product.
   
• Service broker: This feature is a part of the database engine and offers messaging and message queuing for applications on the platform.
  
  
• Replication: This feature consists of transaction replication, merge replication, and snapshot replication. 
  
  
• Analysis: SQL Server Analysis Services (SSAS) adds online analytical processing (OLAP) and data mining capabilities to SQL Server databases.
  
  
• Reporting: This feature supports the development of custom reporting applications.
  
  
• Notifications: This feature generates data-driven notifications which are sent to subscribers of Notification Services.
  
  
• Integration: This SQL Server feature provides capabilities for data integration, data import, and data warehousing.
  
  
• Full-text search: Through this feature, users can utilize specialized indexing and query for unstructured text stored in the solution.
  
  
• Visual studio: This feature supports data programming with SQL Server.
  
  
• Azure Data Studio: This is a cross-platform query editor that can be downloaded and used alongside SQL Server.

SQL Server Benefits

The solution has many benefits for users. These include the following:

• The platform ensures a consistent experience across other platforms while being fast and agile.
  
  
• Through the built-in intelligence features, users can understand their data better.
  
  
• The solution has enterprise-level security, which ensures the smooth and safe performance of users' data.
  
  
• SQL Server offers the ability to retrieve large amounts of data quickly and efficiently.
  
  
• The product installation process is fairly easy, and it offers a user-friendly interface.
  
  
• SQL Server offers improved data storage and retrieval functions through frequent upgrades.
  
  
• The solution reduces the risk of database server attacks, since it is not an open-source database.

Reviews from Real Users

A president at a consultancy evaluates SQL Server as a veteran solution with critical log shipping feature. 

Harkamal S., a user at a manufacturing company, rates SQL Server with a high mark because it is a stable, scalable, and easy-to-deploy solution that pretty much covers everything.