Sqlite Package For Dev C++
After compiling and linking you should have an a.exe that will print out the SQLite version and generate the empty database file. Conclusion After following these steps you should be able to compile a C application that uses the C library SQLite3 using gcc and g.
- Can someone please tell me how do i make SQLite to connect with my C program. I am a complete beginner in programming and is trying to make a very basic project on a banking system. I thought of storing the transactions made by the account holders in a sql database and came across sqlite.
- Dec 19, 2017 SQLite for C is a wrapper around the SQLite C API which makes it easier and safer to use. Key features of this library are: No manual memory management needed Easy to use interface, inspired by the JDBC (but with less verbose names).
- Feb 19, 2015 Learn everything you need to know to make great use of this incredible little database engine with modern C.
SQLite is a C-language library that implements a small, fast, self-contained, high-reliability, full-featured, SQL database engine. SQLite is the most used database engine in the world. SQLite is built into all mobile phones and most computers and comes bundled. A complete VSIX package with an extension SDK and all other components needed to use SQLite for application development with Visual Studio 2012 targeting Windows Phone 8.0. Wp81-winrt-3310100.vsix (4.79 MiB) A complete VSIX package with an extension SDK and all other components needed to use SQLite for application development with Visual. May 12, 2017 Installing Sonarr - Issues with sqlite3-dev. Hey Pi users. I'm trying to install Sonarr using this guide. I have no problems until I have to install the sqlite3-dev package. When I attempt to run. Sudo apt-get install nzbdrone sqlite3-dev -y. I get the following response. E: Unable to locate package sqlite3-dev.
You can use SQLite to store and retrieve data in a light-weight database on the user's device. This guide shows you how.
Some benefits of using SQLite for local storage
✔️ SQLite is light-weight and self-contained. It's a code library without any other dependencies. There's nothing to configure.
✔️ There's no database server. The client and the server run in the same process.
✔️ SQLite is in the public domain so you can freely use and distribute it with your app.
✔️ SQLite works across platforms and architectures.
You can read more about SQLite here.
Choose an abstraction layer
We recommend that you use either the Entity Framework Core or the open-source SQLite library built by Microsoft.
Entity Framework Core
Entity Framework (EF) is an object-relational mapper that you can use to work with relational data by using domain-specific objects. If you've already used this framework to work with data in other .NET apps, you can migrate that code to a UWP app and it will work with appropriate changes to the connection string.
To try it out, see Getting started with EF Core on Universal Windows Platform (UWP) with a New Database.
SQLite library
The Microsoft.Data.Sqlite library implements the interfaces in the System.Data.Common namespace. Microsoft actively maintains these implementations, and they provide an intuitive wrapper around the low-level native SQLite API.
The rest of this guide helps you to use this library.
Set up your solution to use the Microsoft.Data.SQlite library
We'll start with a basic UWP project, add a class library, and then install the appropriate Nuget packages.
The type of class library that you add to your solution, and the specific packages that you install depends on the minimum version of the Windows SDK that your app targets. You can find that information in the properties page of your UWP project.
Use one of the following sections depending on the minimum version of the Windows SDK that your UWP project targets.
The minimum version of your project does not target the Fall Creators Update
If you're using Visual Studio 2015, click Help->About Microsoft Visual Studio. Then in the list of installed programs, make sure that you have NuGet package manager version of 3.5 or higher. If your version number is lower than that, install a later version of NuGet here. On that page, you'll find all of the versions of Nuget listed beneath the Visual Studio 2015 heading.
Next, add class library to your solution. You don't have to use a class library to contain your data access code, but we'll use one our example. We'll name the library DataAccessLibrary and we'll name the class in the library to DataAccess.
Right-click the solution, and then click Manage NuGet Packages for Solution.
If you're using Visual Studio 2015, Choose the Installed tab, and make sure that the version number of the Microsoft.NETCore.UniversalWindowsPlatform package is 5.2.2 or higher.
If it isn't, update the package to a newer version.
Choose the Browse tab, and search for the Microsoft.Data.SQLite package. Install version 1.1.1 (or lower) of that package.
Move onto the Add and retrieve data in a SQLite database section of this guide.
The minimum version of your project targets the Fall Creators Update
There's a couple of benefits to raising the minimum version of your UWP project to the Fall Creators update.
First off, you can use .NET Standard 2.0 libraries instead of regular class libraries. That means that you can share your data access code with any other .NET-based app such as a WPF, Windows Forms, Android, iOS, or ASP.NET app.
Secondly, your app does not have to package SQLite libraries. Instead, your app can use the version of SQLite that comes installed with Windows. This helps you in a few ways.
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✔️ Reduces the size of your application because you don't have to download the SQLite binary, and then package it as part of your application.
✔️ Prevents you from having to push a new version of your app to users in the event that SQLite publishes critical fixes to bugs and security vulnerabilities in SQLite. The Windows version of SQLite is maintained by Microsoft in coordination with SQLite.org.
✔️ App load time has the potential to be faster because most likely, the SDK version of SQLite will already be loaded into memory.
C# Sqlite Example
Lets start by adding a .NET Standard 2.0 class library to your solution. It's not necessary that you use a class library to contain your data access code, but we'll use one our example. We'll name the library DataAccessLibrary and we'll name the class in the library to DataAccess.
Right-click the solution, and then click Manage NuGet Packages for Solution.
At this point, you have a choice. You can use the version of SQLite that is included with Windows or if you have some reason to use a specific version of SQLite, you can include the SQLite library in your package.
Let's start with how you use the version of SQLite that included with Windows.
C++ Sqlite Library
To use the version of SQLite that is installed with Windows
Choose the Browse tab, and search for the Microsoft.Data.SQLite.core package, and then install it.
Search for the SQLitePCLRaw.bundle_winsqlite3 package, and then install it only to the UWP project in your solution.
To include SQLite with your app
You don't have to do this. But if you have a reason to include a specific version of SQLite with your app, choose the Browse tab, and search for the Microsoft.Data.SQLite package. Install version 2.0 (or lower) of that package.
Add and retrieve data in a SQLite database
We'll do these things:
1️⃣ Prepare the data access class.
2️⃣ Initialize the SQLite database.
3️⃣ Insert data into the SQLite database.
4️⃣ Retrieve data from the SQLite database.
5️⃣ Add a basic user interface.
Prepare the data access class
From your UWP project, add a reference to the DataAccessLibrary project in your solution.
Add the following using statement to the App.xaml.cs and MainPage.xaml.cs files in your UWP project.
Open the DataAccess class in your DataAccessLibrary solution and make that class static.
Note
While our example will place data access code in a static class, it's just a design choice and is completely optional.
Add the following using statements to the top of this file.
Initialize the SQLite database
Add a method to the DataAccess class that initializes the SQLite database.
This code creates the SQLite database and stores it in the application's local data store.
In this example, we name the database sqlliteSample.db but you can use whatever name you want as long as you use that name in all SqliteConnection objects that you instantiate.
In the constructor of the App.xaml.cs file of your UWP project, call the InitializeDatabase method of the DataAccess class.
Insert data into the SQLite database
Add a method to the DataAccess class that inserts data into the SQLite database. This code uses parameters in the query to prevent SQL injection attacks.
Retrieve data from the SQLite database
Add a method that gets rows of data from a SQLite database.
The Read method advances through the rows of returned data. It returns true if there are rows left, otherwise it returns false.
The GetString method returns the value of the specified column as a string. It accepts an integer value that represents the zero-based column ordinal of the data that you want. You can use similar methods such as GetDataTime and GetBoolean. Choose a method based on what type of data the column contains.
The ordinal parameter isn't as important in this example because we are selecting all of the entries in a single column. However, if multiple columns are part of your query, use the ordinal value to obtain the column you want to pull data from.
Add a basic user interface
In the MainPage.xaml file of the UWP project, add the following XAML.
This basic user interface gives the user a TextBox that they can use to type a string that we'll add to the SQLite database. We'll connect the Button in this UI to an event handler that will retrieve data from the SQLite database and then show that data in the ListView.
Sqlite Cpp
In the MainPage.xaml.cs file, add the following handler. This is the method that we associated with the Click event of the Button in the UI.
That's it. Explore the Microsoft.Data.Sqlite to see what other things you can do with your SQLite database. Check out the links below to learn about other ways to use data in your UWP app.
Next steps
Sqlite C++ Api
Connect your app directly to a SQL Server database
See Use a SQL Server database in a UWP app.
Share code between different apps across different platforms
See Share code between desktop and UWP.
Add master detail pages with Azure SQL back ends
See Customer Orders Database sample.