Download SQL Express 2017: A Free and Feature-Rich Database System
If you are looking for a free, reliable, and powerful database system for your desktop, web, or small server applications, you might want to consider downloading SQL Express 2017. SQL Express 2017 is a free edition of SQL Server that offers many features and benefits for developers, hobbyists, and independent software vendors. In this article, we will explain what SQL Express 2017 is, why you should use it, how to download and install it, and how to use it.
What is SQL Express 2017?
SQL Express 2017 is a free edition of Microsoft SQL Server, a popular relational database management system that is used by millions of applications worldwide. SQL Server is known for its performance, security, scalability, and compatibility with various platforms and languages. SQL Server has different editions that cater to different needs and budgets of users. SQL Express 2017 is the entry-level edition that is ideal for learning and building data-driven applications that do not require a large amount of data or resources.
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Features of SQL Express 2017
While SQL Express 2017 is the "lite" version of SQL Server, it still has an impressive range of features that you would have to pay for with other systems. Some of the features of SQL Express 2017 are:
Full-Text Search: This feature allows you to perform fast and flexible text searches on large amounts of unstructured data, such as documents, emails, or web pages.
Native XML: This feature allows you to store and query XML data in your database, as well as integrate with XML web services.
SQL Common Language Runtime (CLR): This feature allows you to write and execute code in .NET languages, such as C# or VB.NET, within your database.
Reporting Services: This feature allows you to create and deliver interactive reports from your data, using a web-based report designer and a report server.
In-Memory OLTP: This feature allows you to improve the performance and concurrency of your transactions by storing and processing data in memory.
Columnstore Indexes: This feature allows you to improve the performance and compression of your analytical queries by storing data in a columnar format.
Data Compression: This feature allows you to reduce the storage space and improve the performance of your data by applying various compression algorithms.
Stretch Database: This feature allows you to migrate your historical or cold data to Azure cloud storage, while keeping it accessible from your local database.
Limitations of SQL Express 2017
Before deploying SQL Express 2017, you should be aware of its limitations which include:
Maximum database size: The maximum size of each relational database is 10 GB.
Maximum memory used: The maximum memory used by the database engine is 1 GB per instance.
Maximum processor cores: The database engine is restricted to the lesser of one socket or four cores.
No SQL Agent: The SQL Agent service, which allows you to schedule and automate tasks, is not included in SQL Express 2017.
No No High Availability or Disaster Recovery: The SQL Express 2017 edition does not support features such as Always On Availability Groups, Database Mirroring, Log Shipping, or Failover Clustering, which provide high availability and disaster recovery for your databases.
No Business Intelligence: The SQL Express 2017 edition does not include the Analysis Services, Integration Services, or Master Data Services components, which provide business intelligence and data integration capabilities.
Despite these limitations, SQL Express 2017 is still a great choice for many scenarios where you need a free and feature-rich database system.
Why use SQL Express 2017?
There are many reasons why you might want to use SQL Express 2017 for your applications. Here are some of the benefits and use cases of SQL Express 2017:
Benefits of SQL Express 2017
Some of the benefits of SQL Express 2017 are:
Free: You can download and use SQL Express 2017 for free, without any licensing fees or restrictions.
Easy to install and use: You can download and install SQL Express 2017 in minutes, using a simple wizard or command-line interface. You can also use the same tools and languages that you are familiar with from other SQL Server editions, such as SQL Server Management Studio, Visual Studio, or PowerShell.
Compatible with other SQL Server editions: You can easily migrate your data and applications from SQL Express 2017 to other SQL Server editions, such as Standard, Enterprise, or Azure SQL Database, if you need more features or scalability in the future.
Secure and reliable: You can benefit from the same security and reliability features that SQL Server offers, such as encryption, auditing, backup and restore, and error handling.
Up-to-date and supported: You can get the latest updates and patches for SQL Express 2017 from Microsoft, as well as technical support from the community or Microsoft partners.
Use cases of SQL Express 2017
Some of the common use cases of SQL Express 2017 are:
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Learning and development: You can use SQL Express 2017 to learn and practice SQL Server skills, such as querying, programming, administration, or reporting. You can also use it to develop and test your applications that use SQL Server as a backend.
Desktop or web applications: You can use SQL Express 2017 to power your desktop or web applications that do not require a large amount of data or resources. For example, you can use it for personal projects, hobby websites, blogs, forums, or small business applications.
Small server applications: You can use SQL Express 2017 to run your small server applications that do not have high availability or disaster recovery requirements. For example, you can use it for internal applications, branch offices, remote locations, or embedded systems.
Independent software vendors (ISVs): You can use SQL Express 2017 to distribute your applications that use SQL Server as a backend to your customers. You can also use it to provide a free or low-cost option for your customers who do not need the full features or scalability of other SQL Server editions.
How to download and install SQL Express 2017?
If you are convinced that SQL Express 2017 is the right database system for you, you might be wondering how to download and install it on your computer. Here are the steps you need to follow:
Download link for SQL Express 2017
You can download the installation file for SQL Express 2017 from the official Microsoft website: . The file name is SQLEXPR_x64_ENU.exe, which is for the 64-bit version of Windows. If you have a different operating system or architecture, you can choose a different file from the list. The file size is about 250 MB.
Installation steps for SQL Express 2017
Once you have downloaded the installation file, you can run it by double-clicking on it. This will launch the SQL Server Installation Center, which will guide you through the installation process. Here are the main steps you need to follow:
Select New SQL Server stand-alone installation or add features to an existing installation: This will start the setup wizard, which will check the system requirements and install the necessary files.
Enter the product key or select a free edition: You can enter the product key if you have purchased a license for SQL Server, or you can select Express as the free edition.
Accept the license terms and privacy statement: You need to read and accept the terms and conditions of using SQL Server, as well as the privacy statement.
Select the features to install: You can choose which components of SQL Server you want to install, such as the database engine, reporting services, or tools. You can also change the default installation paths if you want.
Select the instance name and ID: You can specify the name and ID of the SQL Server instance that you are installing. An instance is a copy of the SQL Server software that runs as a service on your computer. You can have multiple instances of SQL Server on the same computer, but they must have different names and IDs. The default name and ID for SQL Express 2017 is SQLEXPRESS.
Configure the server: You can configure various settings for your SQL Server instance, such as the service accounts, collation, authentication mode, data directories, and tempdb files. The default settings are usually fine for most scenarios, but you can change them if you have specific requirements.
Complete the installation: The setup wizard will install and configure your SQL Server instance, which may take several minutes. Once it is done, you will see a summary of the installation results and any errors or warnings that occurred.
Installation options for SQL Express 2017
Besides the standard installation option, there are other ways to install SQL Express 2017 on your computer. Some of them are:
Download Media: This option allows you to download an ISO file or a CAB file that contains all the installation files for SQL Express 2017. You can use this option if you want to install SQL Express 2017 on multiple computers or offline.
Basic: This option allows you to install SQL Express 2017 with minimal configuration and user input. You can use this option if you want to install SQL Express 2017 quickly and easily.
Custom: This option allows you to customize your installation by choosing which features and components to install, as well as where to download them from. You can use this option if you want to have more control over your installation.
Command Prompt: This option allows you to install SQL Express 2017 using command-line parameters and switches. You can use this option if you want to automate or script your installation.
How to use SQL Express 2017?
After installing SQL Express 2017 on your computer, you might be wondering how to use it for your applications. Here are some of the basic steps you need to follow:
Connect to SQL Express 2017
To connect to your SQL Express 2017 instance, you need to know its name and credentials. The name of your instance is usually in the format of <computer_name>\<instance_name>, where <computer_name> is the name of your computer and <instance_name> is the name of your SQL Server instance. For example, if your computer name is LAPTOP-1234 and your instance name is SQLEXPRESS, then your instance name is LAPTOP-1234\SQLEXPRESS. The credentials are the username and password that you use to log in to your SQL Server instance. Depending on how you configured your authentication mode during installation, you can use either Windows authentication or SQL Server authentication. Windows authentication uses your Windows account credentials, while SQL Server authentication uses a separate username and password that you created during installation.
To connect to your SQL Express 2017 instance, you can use various tools and applications that support SQL Server connections. One of the most common tools is SQL Server Management Studio (SSMS), which is a graphical user interface that allows you to manage and query your databases. You can download SSMS for free from . To connect to your SQL Express 2017 instance using SSMS, follow these steps:
Launch SSMS: You can launch SSMS from the Start menu or the desktop shortcut. You will see the Connect to Server dialog box.
Enter the server name: In the Server name box, enter the name of your SQL Express 2017 instance, such as LAPTOP-1234\SQLEXPRESS.
Select the authentication mode: In the Authentication box, select either Windows Authentication or SQL Server Authentication, depending on how you configured your instance. If you select SQL Server Authentication, you also need to enter the username and password that you created during installation.
Click Connect: Click the Connect button to establish a connection to your SQL Express 2017 instance. You will see the SSMS main window, which shows the Object Explorer on the left and the Query Editor on the right.
Manage SQL Express 2017 databases
To manage your SQL Express 2017 databases, you can use the Object Explorer in SSMS, which shows a hierarchical view of your server objects, such as databases, tables, views, stored procedures, and so on. You can perform various tasks on your databases and objects, such as creating, modifying, deleting, backing up, restoring, importing, exporting, and more. To perform a task on a database or an object, you can right-click on it and select an option from the context menu. For example, to create a new database, you can right-click on the Databases node and select New Database.... To modify a table, you can right-click on the table name and select Design. To delete a view, you can right-click on the view name and select Delete. To backup a database, you can right-click on the database name and select Tasks > Back Up.... To restore a database, you can right-click on the database name and select Tasks > Restore > Database.... To import data from another source, you can right-click on the database name and select Tasks > Import Data.... To export data to another destination, you can right-click on the database name and select Tasks > Export Data.... And so on.
Develop applications with SQL Express 2017
To develop applications with SQL Express 2017, you can use the Query Editor in SSMS, which allows you to write and execute SQL queries and scripts. You can also use other tools and languages that support SQL Server connections, such as Visual Studio, .NET Framework, Java, Python, PHP, Ruby, and more. You can use these tools and languages to create various types of applications that interact with your SQL Express 2017 databases, such as desktop applications, web applications, mobile applications, or cloud applications. To connect to your SQL Express 2017 instance from your application code, you need to use a connection string that specifies the server name, authentication mode, database name, and other parameters. For example, a connection string for SQL Express 2017 using Windows authentication might look like this:
Server=LAPTOP-1234\SQLEXPRESS;Database=MyDatabase;Trusted_Connection=True;
A connection string for SQL Express 2017 using SQL Server authentication might look like this:
Server=LAPTOP-1234\SQLEXPRESS;Database=MyDatabase;User Id=MyUser;Password=MyPassword;
You can find more examples of connection strings for different tools and languages at .
Conclusion
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