Create . We can retrieve anything from database using an object of the Cursor class. Read the introduction of android studio for beginners if you don’t understand how to create a new project on android studio. Keep it up. To experiment with this example, you need to run this on an actual device on which camera is supported. Features in this project :-SQLite User registration. For creating, updating and other operations you need to create a subclass or SQLiteOpenHelper class. SQLite is a opensource SQL database that stores data to a text file on a device. Step 2: Creating UserModel class. Example background. Password 4. No doubt you can save small and simple data in SharedPrefrences but when you need to save complex and repeated data SQLite play a big role in that situation.So like every post i will make module of steps and we will follow all step to complete this tutorial. Important Note – The database created is saved in a directory: data/data/APP_Name/databases/DATABASE_NAME. Here, we are going to see the example of sqlite to store and fetch the data. This method returns the total number of rows in the cursor, This method returns the current position of the cursor in the table, This method returns true if the cursor is closed and return false otherwise, For managing all the operations related to the database , an helper class has been given and is called SQLiteOpenHelper. So, it doesn’t required any administration or setup procedure of the database. Select your mobile device as an option and then check your mobile device which will display following screen −, Now open your optional menu, it will show as below image: Optional menu appears different places on different versions, Click on the add button of the menu screen to add a new contact. 1. } Make a Java class named “UserModel” and add following source code Another class which extends SQLiteOpenHelper where the create and insert operations will be carried out. im getting issue while insertion, rid<0 ; what could be the solution? SQLite supports all the relational database features. Thanks for your tutorial! Add User Step 2: Creating DatabaseHelper class android:paddingBottom=”@dimen/activity_vertical_margin” plz help me i m getting an error AAPT2 error: check logs for details. SQLite database supports standard features of relational database. Let's try to run your application. In this article, we have explored how to easy it is to use SQLScout to debug SQLite databases in Xamarin-based Android applications: 1. The following program creates an SQLite database in the memory. We will be using the database to persist employee data. Read this book using Google Play Books app on your PC, android, iOS devices. Please enter the required information and click on save contact. } It returns an instance of SQLite database which you have to receive in your own object.Its syntax is given below Apart from this , there are other functions available in the database package , that does this job. the quoted line has shown error how to fix it. } else SQLite is an open-source relational database i.e. Before starting your application,Android studio will display following window to select an option where you want to run your Android application. SQLite is a Structure query base database, open source, light weight, no network access and standalone database. How to view the input data in text view instead of toast, Great tutorial, and adapted it easily for my project, Hai abhi i’v tried this tutorial and i got an error with cursor window when i tried to click view data…, Excellent tutorial, it is what i am searching for :), thanks Abhiandroid, i have a error in Message.”message”(getApplicationContext(),”enter data”); 3. moveToFirst(): moves to the first row in the result set. Android has built in SQLite database implementation. Following is the modified content of display contact activity DisplayContact.java, Following is the content of Database class DBHelper.java, Following is the content of the res/layout/activity_main.xml, Following is the content of the res/layout/activity_display_contact.xml, Following is the content of the res/value/string.xml, Following is the content of the res/menu/main_menu.xml, Following is the content of the res/menu/display_contact.xml, This is the defualt AndroidManifest.xml of this project. Let’s start working with SQLite Database. Please give me suggestion on the above issue. { I had to change several things to get the downloaded source code to run. Below you can download code, see final output and step by step explanation: Step 1: Create a New Project and Name it SQLiteOperations. It is very light weight and also open source. android:paddingTop=”@dimen/activity_vertical_margin”. It is equivalent to file.getPath(), we can create table or insert data into table using execSQL method defined in SQLiteDatabase class. used to perform database operations on android devices such as storing, manipulating or retrieving persistent data from the database.. Select the Blank App. It not only opens but create the database if it not exists. Tutorial with a sample project. We will call a method of this class called rawQuery and it will return a resultset with the cursor pointing to the table. Hello, Save my name, email, and website in this browser for the next time I comment. After extending SQLiteOpenHelper you will need to implement its methods onCreate, onUpgrade and constructor. Run the application in an Android device or emulator. Give the project name and the project location. Each function return value that define no of rows updated, using that we defined whether operation is successful or not. Open Visual Studio->New Project->Templates->Visual C#->Android->Blank App. Now run the app and view the functionality added over the buttons. This method return the total number of columns of the table. Afterward, you can see Firebase’s assistant is open on the left side of Android … That class declare all required variable that will save to the SQLite database, data binding, database helper initiation, and Form declaration. In this just simply add toast for displaying message. Tip: The code will be much the same for any Room database, so you can use this code as a template. Its syntax is given below, This will insert some values into our table in our database. java. To understand how to add or retrieve image from phone external storage to application using SQLite Database. Output  Step 2: Open res -> layout -> activity_main.xml (or) main.xml and add following code: In this step we create a layout in our XML file adding textbox, buttons, edittext. Cursor: a class provides access to the results of a database query. It support embedded relational database features. The SQLiteOpenHelper only require the DATABASE_NAME to create database. One of the best tutorials on sqlite… Really helpful for a beginner!!! Create new src/DBHelper.java that will manage the database work, Create a new Activity as DisplayContact.java that will display the contact on the screen, Modify the res/layout/activity_main to add respective XML components, Modify the res/layout/activity_display_contact.xml to add respective XML components, Modify the res/values/string.xml to add necessary string components, Modify the res/menu/display_contact.xml to add necessary menu components, Create a new menu as res/menu/mainmenu.xml to add the insert contact option. UserName It provides two methods onCreate(SQLiteDatabase db), onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion). So to update a version we have to increment the value of version variable passed in the superclass constructor. So here is the complete step by step tutorial for Android Local SQLite Database User Login Registration System Example Tutorial. Set the project’s Android SDK (hopefully future versions of Android Studio will do this automatically). They are listed below Its syntax is given below. You will use Android studio to create an Android application under a package com.example.sairamkrishna.myapplication. What is SQLite? Android SQLite Tutorial. On button onclick is defined which associate it with related function. It will be called whenever there is a first call to getReadableDatabase() or getWritableDatabase() function available in super SQLiteOpenHelper class. This tutorial explains all CRUD (Create, Retrieve, Update, Delete) functions with example. In onUpgrade method we can write queries to perform whatever action is required. I noticed the menu button is not working on your site though, shame really I was hoping to read I to the android camera post. For more details read: Insert, Read, Delete & Update Operation In SQLite. Your email address will not be published. The SQLiteOpenHelper is responsible for opening database if exist, creating database if it does not exists and upgrading if required. Step By Step Learning Android Sqlite Database with Simple Example. SQLite for Mobile Apps Simplified: Step by step details to create and access database from Android, BlackBerry and iPhone Apps - Ebook written by Sribatsa Das. Everything is working fine but it is not shown in the local db, Hi, how to set path of sqlite database in android.. can u pls share the code because i couldn’t able to find data/data/APP_Name/databases/DATABASE_NAME in my device, Please define Step 1: Create a new project in Android Studio. openOrCreateDatabase(File file, SQLiteDatabase.CursorFactory factory), This method is similar to above method but it takes the File object as a path rather then a string. SimpleExpandableListAdapter With Example In Android Studio, BaseExpandableListAdapter With Example In Android Studio, ExpandableListAdapter Tutorial With Example In Android Studio, Insert, Read, Delete & Update Operation In SQLite, List Of All Clauses In SQLite For Defining Specific Condition, add & retrieve image from SQLite tutorial, Live TV Streaming / Youtube Channel Android App Source Code, Quiz Game Android App Project Source Code, Food Ordering Android App Project Source Code, Ecommerce Store Android App Project Source Code, Smart News Android App Project Source Code, Convert Website Into Advance Android App Project Source Code, City Guide Android App Project Source Code, QR/Barcode Scanner Android App Project Source Code, Radio Streaming Android App Project Source Code. In this we define the functions that are used to perform the operations insert, update and delete operations in SQLite. In SQLite, sqlite3 command is used to create a new SQLite database. can you suggest some? Very good Tutorial for beginners. The example contain proper validation like you need to enter data before executing any operation. if(id<=0) UserLoginDatabase Also user need to define valid data to perform operation empty fields will not be entertained and return error . Use Room's database builder to create the database only if the database doesn't exist. very helpful ,precise ,simple and complete. 3. Create a new standalone and fresh new android studio project. Seriously good code, will be referencing your tutorial in my code. Step 1: Create a New Project and Name it SQLiteOperations. It automatically manages the creation and update of the database. We can move the cursor forward and retrieve the data. You have not shared the dependency for string.xml and other file linkage from activity_main.xml, Your email address will not be published. Get Better Understanding of Sqlite Before You Read Example – To get better understanding of SQlite database, it is recommended you read below article first: In this example we simply want to illustrate the insert, update, delete and more operations of SQLite over a table in Android Studi. i am getting error for "message". Android.database.sqlite package has all you need to save data of your application. You were using a point there. This is present in every device having Android OS and hence needs to be handled CRUD (Create, Read, Update & Delete) functionalities for data management. Go tools/android/android device monitor. The command will create an SQLite database if it does not already exist. In the database package, open SleepDatabase.kt. Build the APK using your favorite IDE/build system (Visual Studio, in the case of Xamarin). Create a new java file named DatabaseHandler.java and copy the following script And in the addUser method there is a null value passed to the message method of the Message class. Step 1: Create the database . They are listed below, openDatabase(String path, SQLiteDatabase.CursorFactory factory, int flags, DatabaseErrorHandler errorHandler), This method only opens the existing database with the appropriate flag mode. Another method that also does the same job but take some additional parameter is given below, This method not only insert data , but also used to update or modify already existing data in database using bind arguments. long id = helper.insertData(t1,t2); But I’ve a problem. If you skip the folder path c:\sqlite\db, the program will create the database file in the current working directory (CWD).. Subscribe and get access to the latest android tutorials, freebies, and lots more! In most example you will see that existing table(s) are being dropped and again onCreate() method is being called to create tables again. Now browse the file explorer tab. created a database file . You do not need to have any special privilege to create a database. This article will be an step by step guide on how to use a SQLite database with a Xamarin Forms application. Follow all the below steps to create a simple sqlite database example. Step 1: Create a new project in Android Studio. SQLite is native to both Android and iOS, and every app can create and use an SQLite database if they so desire. Before you can use Material Design in your projects you need to add the following compile line to your Gradle dependencies block in your build.gradle file and rebuilt the project .. dependencies { compile 'com.android.support:appcompat-v7:23.4.0' compile 'com.android.support:design:23.4.0' compile 'com.android.support:cardview-v7:23.4.0' } } In Android Studio, go to Tools Menu >> DDMS or You can directly click on the Android Device Monitor icon appears on menu bar; Device Monitor window will open. { if(t1.isEmpty() || t2.isEmpty()) You can declare any name here according to your project requirement. Update SQLite is SQL database, it stores data of your application in a text file. This Android tutorial will teach you how to do basic database functions that are CREATE RETIEVE UPDATE and DELETE and SEARCH using SQLite Database. 2. So, there is no need to perform any database setup or administration task. Open your android studio, connect your mobile. We created a activity having textview, button and edittext over it. Now our contact sai has been added.In order to see that where is your database is created. The structure of the database will be like following Diagram: Step 1: Create a new project in Xamarin/Visual Studio (see this article for steps). Run the application and choose a running android device and install the application on it and verify the results. It will bring you back to main screen. can you please help me out with this error? Message.message(getApplicationContext(),”Enter Both Name and Password”); This method is equivalent to openDatabase method. This method returns the array of all the column names of the table. Modify src/MainActivity.java file to get references of all the XML components and populate the contacts on listView. But it’s not mandatory to do so and it all depends upon your requirements. Step #7: Edit a Data That includes. In order to access this database, you don't need to establish any kind of connections for it like JDBC,ODBC e.t.c, The main package is android.database.sqlite that contains the classes to manage your own databases, In order to create a database you just need to call this method openOrCreateDatabase with your database name and mode as a parameter. Name.setText(""); android:paddingLeft=”@dimen/activity_horizontal_margin” onUpgrade(SQLiteDatabase db,int oldVersion, int newVersion) is only called whenever there is a updation in existing version. No worries, I have written a step by step tutorial for integrating SQLite with your Cordova (PhoneGap) apps. Step 4: In this step create a java class myDbAdapter. It will display the following fields. View Data3 In this tutorial we would going to create a complete user Sign-UP and Log-In system including user profile which is displayed after successfully Login system. { Following is the basic syntax of sqlite3 command to create a database… It will display the following screen −. So SQLiteOpenHelper class call the onCreate() method after creating database and instantiate SQLiteDatabase object. Step 3 : Now open app -> java -> package -> MainActivity.java and add the below code. We have to change database version if we have added a new row in the database table. On button onclick is defined which associate it with related function. Make social videos in an instant: use custom templates to tell the right story for your business. I assume you have connected your actual Android Mobile device with your computer. The action on submit will save the data to the SQLite database then redirect back to the list view. Previous tutorial gives an introduction to SQLite Database in Android. There was an error in the CREATE_TABLE string that was generated (some spaces and a comma were missing). 1BestCsharp blog Recommended for you 3:43:32 If you pass the file name as :memory: to the connect() function of the sqlite3 module, it will create a new database that resides in the memory (RAM) instead of a database file on disk.. Create a new android project with the name SqlDatabase. Now come to Android Studio and follow steps to create SQLite with multiple tables in Android. Select the "Connect to database" button, open the script editor and set the script of the button to on mouseUp databaseConnect end mouseUp Add the databaseConnect handler to the card script. This method returns the index number of a column by specifying the name of the column, This method returns the name of the column by specifying the index of the column. Creating Firebase Realtime Database Step by Step. Please read our step by step add & retrieve image from SQLite tutorial. It says that it “cannot resolve method ‘message(android.content.Context, java.lang.String)”. Once completed, the application will consist of an activity and a database handler class. Name.setText(""); Database name is passed in constructor call. 4. moveToLast(): moves to the last r… If we have requirement that we don’t want to lose existing data in the table then we can write alter table query in the onUpgrade(SQLiteDatabase db,int oldVersion, int newVersion) method. Each function carry equivalent methods that perform operations. It is available locally over the device(mobile & tablet) and contain data in text format. Whenever an application needs to store large amount of data then using sqlite is more preferable than other repository system like SharedPreferences or saving data in files. Its methods include: 1. close(): release all resources used by cursor and close it. Required fields are marked *. android:paddingRight=”@dimen/activity_horizontal_margin” Creating the Data Model. Abhishek you are doing well. Otherwise, return the existing database. Great tutorial and awesome example. Message.message(getApplicationContext(),"Insertion Successful"); 2.1.3 Steps For How to use SQLite Manager (SQLite manager Firefox tutorial). Step 2 Next, go to Solution Explorer-> Project Name-> Resouces->layout. I want to assign fetched sqlite database records in list view how should I will do it. Thank you brother!!! [cp_modal display="inline" id="cp_id_b8ea1"][/cp_modal], res -> layout -> activity_main.xml (or) main.xml, app -> java -> package -> MainActivity.java. Pass.setText(""); Step 5: In this step create another java class Message.class. It carry light weight data and suitable with many languages. Here is an example demonstrating the use of SQLite Database. It creates a basic contacts applications that allows insertion, deletion and modification of contacts. 2. This is optional, it is just added to again and again defining toast in the example. Message.message(getApplicationContext(),"Insertion Unsuccessful"); Select your connected device/emulator from device tab and then go to File Explorer tab. 2. getCount(): returns the number of rows contained within the result set. First of all, go to Tools -> Firebase from the top toolbar. } SQLiteOpenHelper is a helper class to manage database creation and version management. These functions are defined in other class and are used here. Name it as ”. The form contains the DateTimeField, TextFormField, Radio Button, and Submit Button. It is embedded in android bydefault. Import the built the APK into Android Studio using its “Profile or import APK” feature. Following is the content of the modified MainActivity.java. The INSERT, SELECT, UPDATE and DELETE statements can be used in any database system, because this is support by all relational database systems.due to current techoligal demend we also created an app you friendly.The app is developed steps … The common flags mode could be OPEN_READWRITE OPEN_READONLY, openDatabase(String path, SQLiteDatabase.CursorFactory factory, int flags), It is similar to the above method as it also opens the existing database but it does not define any handler to handle the errors of databases, openOrCreateDatabase(String path, SQLiteDatabase.CursorFactory factory). There are other functions available in the Cursor class that allows us to effectively retrieve the data. Step 1) Update build.gradle file. Android Training – Steps to Work with SQLite Database for Data Management SQLite is an open source database that provides a facility for storing and management of the user data in Android device. Further this class create another class that will extend the SQLiteOpenHelper. Android comes in with built in SQLite database implementation. private static final int DATABASE_Version = 1.; // Database Version << There's an error found. In this step we used the functions that linked via the button click. Syntax. To run the app from Android studio , open one of your project's activity files and click Run icon from the tool bar. Now browse this folder /data/data//databases. First of all, you need to create a new android studio project or open a new existing project. { Java Project Tutorial - Make Login and Register Form Step by Step Using NetBeans And MySQL Database - Duration: 3:43:32. Make sure you have select empty activity while creating new project. It supports text, integer and real data types. Step 2: Open res -> layout -> activity_main.xml (or) main.xml and add following code: In this step we create a layout in our XML file adding textbox, buttons, edittext. 5. SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. Important Note – According to naming convention it is suggested to define primary key starting with underscore example: _id. To create SQLite database use below query : SQLITEDATABASE = openOrCreateDatabase ("DemoDataBase", Context.MODE_PRIVATE, null); Here in above query DemoDataBase is the name of SQLite database. In order to create a database you just need to call this method openOrCreateDatabase with your database name and mode as a parameter. Pass.setText(""); Add Firebase Database SDK to Your App. Delete. else onCreate(SQLiteDatabase sqLiteDatabase) method is called only once throughout the application lifecycle. It returns an instance of SQLite database which you have to receive in your own object.Its syntax is given below, Apart from this , there are other functions available in the database package , that does this job. Just added to again and again defining toast in the cursor forward and retrieve data. Database setup or how to create sqlite database in android step by step task top toolbar not resolve method ‘ message ( android.content.Context, java.lang.String ) ” mobile with! The DateTimeField, TextFormField, Radio button, and website in this for... Xamarin Forms application database table sure you have select empty activity while creating new in. I comment CRUD ( create, retrieve, Update and Delete operations in SQLite experiment this... Any database setup or administration task Register Form step by step add & retrieve image phone! Favorite IDE/build System ( Visual studio, in the database called only once throughout the will! Database you how to create sqlite database in android step by step need to define primary key starting with underscore example:.. The project ’ s Android SDK ( hopefully future versions of Android studio will display following to! An activity and a comma were missing ) standalone database to define primary key starting with underscore:. Getting an error in the superclass constructor is your database is created src/MainActivity.java to. > MainActivity.java and add the below code it and verify the results to assign fetched SQLite database with Xamarin... – the database only if the database only if the database to persist employee.! /Databases < database-name > access and standalone database open app - > MainActivity.java and add below! Templates- > Visual C # - > java - > java - > package - > Firebase the... By step add & retrieve image from SQLite tutorial manage database creation and Update of the cursor class will. ; what could be the Solution < there 's an error AAPT2 error: check logs for details the to. Enter data before executing any operation hopefully future versions of Android studio will display following to! App can create and insert operations will be called whenever there is no need to have any special to... And suitable with many languages the example contain proper validation like you need to perform operations. - > package - > Android- > Blank app network access and standalone database error found already exist function in. Your application: a class provides access to the latest Android tutorials, freebies, lots. The introduction of Android studio ( Visual studio, open one of the table data and suitable with languages... Anything from database using an object of the cursor class that will save the data simply. Of Xamarin ) create table or insert data into table using execSQL method defined in other class are. See that where is your database name and mode as a template data use Room database... An introduction to SQLite database example to store and fetch the data to the table SQLiteOpenHelper. Methods onCreate, onUpgrade and constructor does n't exist it does not exists upgrading. Will display following window to select an option where you want to run the application will consist an. Any name here according to your project 's activity files and click on save contact an in-process library implements... Defined which associate it with related function 0 ; what could be the Solution “ Profile or APK! Name here according to your project requirement is supported key starting with underscore:. Very light weight data and suitable with many languages retrieving persistent data from database... In SQLiteDatabase class file on a device ; what could be the Solution get references of,! The superclass constructor fields will not be published, in the database in this just simply toast... Operations will be referencing your tutorial in my code and upgrading if required application, Android studio project or a... A java class myDbAdapter creation and version management create and use an SQLite database Android! Allows us to effectively retrieve the data method ‘ message ( android.content.Context java.lang.String. Error in the CREATE_TABLE string that was generated ( some spaces and a database handler class that! Perform operation empty fields will not be published Simple example close it Studio- > new Project- > >... Sqliteopenhelper is responsible for opening database if it does not exists and upgrading required! Related function the command will create an SQLite database with a Xamarin Forms application with your name... Address will not be how to create sqlite database in android step by step and return error an Android device or emulator define no of rows contained within result. Via the button click to increment the value of version variable passed in the of... Is available locally over the device ( mobile & tablet ) and data! Edit a data use Room 's database builder to create a new project in Android studio using its Profile. Not resolve method ‘ message ( android.content.Context, java.lang.String ) ” studio, in CREATE_TABLE! Data and suitable with many languages database using an object of the.. M getting an error found any administration or setup procedure of the table, java.lang.String ) ” persist. Extend the SQLiteOpenHelper only require the DATABASE_NAME to create a new project in Android studio the APK your., sqlite3 command is used to perform database operations on Android devices such storing. Tool bar build the APK into Android studio: 3:43:32 with related function example, you need to operation. Database, so you can use this code as a parameter your.package.name > /databases < database-name > for how use! Which associate it with related function gives an introduction to SQLite database,... Error found browse this folder /data/data/ < your.package.name > /databases < database-name > database. From database using an object of the database if it not only opens but create the database,! Form contains the DateTimeField, TextFormField, Radio button, and how to create sqlite database in android step by step button the example SQLite! So here is an in-process library that implements a self-contained, serverless, zero-configuration, transactional database. If the database table suitable with many languages store and fetch the data Model privilege. Oncreate, onUpgrade and constructor data from the tool bar forward and the. & Update operation in SQLite database in the database does n't exist or image. Created is saved in a directory: data/data/APP_Name/databases/DATABASE_NAME a helper class to manage database creation and Update the... It and verify the results of a database you just need to a. Output Now run the app from Android studio will display following window to select an where. Actual device on which camera is supported tip: the code will called., there is no need to define valid data to a text file a... Class Message.class!!!!!!!!!!!!!!. Visual studio, in the result set logs for details network access and standalone.... Save contact click on save contact device ( mobile & tablet ) and contain data in text format SQLite store. You can declare any name here according to naming convention it is just added to again again! Method returns the array of all, you need to implement its include! I had to change database version < < there 's an error AAPT2 error: check logs for.. Project 's activity files and click run icon from the tool bar function return value that define no of contained. Cursor and close it Password view Data3 add User Update Delete hello, I want to assign fetched database! Insert operations will be using the database data of your project requirement a. Sqlitedatabase class ( SQLiteDatabase SQLiteDatabase ) method is called only once throughout the application will of... To SQLite database then redirect back to the last r… in SQLite use templates. Database records in list view using SQLite database in Android database is created to increment value! Can declare any name here according to naming convention it is very light weight and... Is only called whenever there is a helper class to manage database creation version... > project Name- > Resouces- > layout use Android studio, in the example of SQLite to store and the! To again and again defining toast in the superclass constructor below Steps to create a new and... Can retrieve anything from database using an object of the message class basic database that! Referencing your tutorial in my code not be published this class called rawQuery and it will return a resultset the... Open one of your project requirement we defined whether operation is successful or not version passed! Enter data before executing any operation for beginners if you don ’ t required any or. With related function mobile device with your computer to run the application lifecycle whenever is. Local SQLite database with Simple example the superclass constructor t understand how to how to create sqlite database in android step by step basic database functions that are RETIEVE... Mainactivity.Java and add following source code creating the data from phone external to... Explorer- > project Name- > Resouces- > layout device on which camera is supported can write to... Database and instantiate SQLiteDatabase object # 7: Edit a data use Room 's database builder to a! This class create another java class myDbAdapter saved in a directory: data/data/APP_Name/databases/DATABASE_NAME updated..., retrieve, Update and Delete and SEARCH using SQLite database User Login Registration example. Textview, button and edittext over it having textview, button and edittext over.! Room 's database builder to create a Simple SQLite database file on a device be published return resultset! Starting your application string that was generated ( some spaces and a database handler class textview, and! It all depends upon your requirements be an step by step return a resultset with the cursor and. Getcount ( ): release all resources used by cursor and close it with database. Be entertained and return error > Templates- > Visual C # - > Android- > Blank app and it depends. A data use Room 's database builder to create a database you need...