50. Foreign Key Constraints (SQLite)
    Foreign Key Constraints:In SQLite, a foreign key constraint establishes a relationship between two tables. It ensures that the values in a foreign key column of one table must match the values in a primary key or unique column of another table
51. Closing SQLite DB in Android
    When to Close the Database:While SQLite DB is efficient, it's essential to close it when you're done using it to avoid resource leaks and potential performance issues
52. Upsert in Android Room Explained
    Upsert in Android Room is a convenient operation that combines insert and update into a single atomic step. This means that if a row with the same primary key already exists in the database
53. Android ORM Tool Selection
    ORM stands for Object-Relational Mapping. It's a technique that allows you to interact with databases using object-oriented programming languages like Java
54. Debugging SQLite on Android Devices
    Debugging SQLite databases on Android devices is a process of identifying and fixing errors or issues within the database
55. SQLite vs Shared Preferences in Android
    When working with Android applications, you often need to store small amounts of data locally. Two common methods for this are SQLite and Shared Preferences
56. Retrieve Generated ID After Insert in SQLite
    Understanding the Concept:When you insert a new row into an SQLite database table, the database typically assigns a unique identifier to that row
57. Retrieve Boolean from SQLite Database in Android
    Key Steps:Establish a Database Connection:Establish a Database Connection:Prepare a SQL Query: Construct a SQL query using the SELECT statement to retrieve the desired boolean column
58. Android Search with Fragments
    Understanding the Concept:SQLite: A lightweight, embedded database engine that is well-suited for mobile applications. It provides a way to store and retrieve data efficiently
59. Android Database Encryption Explained
    Understanding the Need:Regulatory Compliance: Many industries have strict data protection regulations (e.g., GDPR, HIPAA) that mandate encryption of sensitive data
60. Android Database Transactions Explained
    What is a Database Transaction?In database management, a transaction is a sequence of database operations that are treated as a single unit
61. Using Prepared Statements in SQLite on Android
    Create a SQLiteOpenHelper subclass: This class is responsible for managing the database connection and creating/upgrading the database schema
62. Add New Column to SQLite Database in Android
    Get a Reference to the Database:Obtain a reference to your SQLite database using the getWritableDatabase() or getReadableDatabase() method from your SQLiteOpenHelper subclass
63. Upgrading SQLite Database in Android
    Understanding the Process:Version Control: Assign a unique version number to each database schema. This number is typically stored in the database itself
64. SQLite Version in Android
    Why is it important to know the version of SQLite used in Android?Compatibility: Different versions of SQLite may have different features
65. SQLite Not Equal Operator in Android
    Syntax:To express "not equal" in SQLite, you use the <> operator. This operator compares two values and returns TRUE if they are different
66. SQLite Database Retrieval on Android Devices
    Purpose:To retrieve data stored in an SQLite database on an Android device for various purposes, such as displaying it in an app
67. SQLite Database Extensions
    .db-shm:This helps to improve performance by reducing the need for each process to read and write data from the main database file
68. Check Table Existence in SQLite
    RawQuery:If the query returns results, the table exists.The query should use the PRAGMA table_info('tablename') statement to retrieve information about the table
69. Android SQLite Database Location
    Here's a breakdown of the components:/databases/: This is a subdirectory within the app's data directory where SQLite databases are stored
70. SQLiteOpenHelper Methods in Android
    onCreate()Execution Timing: It runs when the database file doesn't exist yet.Initial Database Creation: This method is called the first time the database is created
71. Count Rows in SQLite Table
    To achieve this, you can execute an SQLite query that utilizes the COUNT() function. This function counts the number of rows that meet a specified condition
72. Joining SQLite Tables in Android
    Understanding SQLite Joins:Types of Joins: INNER JOIN: Returns rows that have matching values in both tables. LEFT JOIN: Returns all rows from the left table
73. Insert Double Float SQLite Android
    Prepare the SQLite Database and Table:The table should have columns specifically designed to store double or float values
74. Android SQLite Update Statement Explained
    Understanding the Update StatementIn Android development, the SQLite database is a popular choice for storing and managing data within your application
75. Raw SQL Queries in Android SQLite
    Here's a breakdown of the parameters:selectionArgs: An array of strings containing the values that will replace the placeholders in the query string
76. Android SQLite Query Method Explained
    Here's a breakdown of its parameters:String table: The name of the table you want to query. String[] columns: An array of column names to retrieve
77. Storing JSON in Android SQLite
    Create a SQLite database: Use the SQLiteOpenHelper class to create and manage your database. Override the onCreate method to execute SQL statements to create necessary tables
78. Android SQLite Date Handling
    Use the Correct Data Type:TEXT: Store dates as strings in a specific format (e.g., ISO 8601). This offers flexibility for formatting and displaying dates but can be less efficient for comparisons
79. Room Schema Export Error
    Room is a database library for Android that simplifies database interactions. It uses annotations to define database entities and their relationships
80. Delete SQLite Database in Android
    Obtain a Reference to the Database:You can use SQLiteDatabase. openOrCreateDatabase() to open the database or create it if it doesn't exist
81. Retrieve Last SQLite Record in Android
    Steps:Create a SQLiteOpenHelper class: Extend the SQLiteOpenHelper class to manage the database creation and updates. Implement the onCreate() method to create the database table with appropriate columns
82. Insert SQLite Record with Current Datetime in Android
    Prepare the SQLite Database:Define a table with a column of type TEXT to store the datetime.Create a SQLiteOpenHelper subclass to manage database creation and updates
83. Prevent SQLite Concurrency Issues on Android
    Understanding the Problem:SQLite, while a powerful database for mobile devices, can face concurrency issues when multiple threads access it simultaneously
84. Convert Image Byte Array to Bitmap in Android
    Obtaining the Byte Array:Retrieve the image data from SQLite: Execute a query to fetch the image data column from the desired row in your SQLite database
85. View SQLite Database on Android Device
    Prerequisites:ADB (Android Debug Bridge): Installed on your computer (Windows, macOS, or Linux) and configured to connect to your device
86. Android SQLite Database Location
    Internal Storage:Example:Accessing the database: The app can access the database directly using the SQLiteDatabase class provided by the Android SDK
87. Delete Row SQLite Android
    Understanding the Process:Establish a Connection:Establish a Connection:Construct the DELETE SQL Statement:Use the DELETE FROM SQL statement to specify the table from which you want to delete a row
88. Understanding the Code for Storing Images in SQLite Database
    Create a Database and Table:Table: Create a table to store image data. Include columns for image ID (primary key), image name
89. Update SQLite Row in Android with Java
    Key Steps:Obtain a Database Reference:Obtain a Database Reference:Create a SQL UPDATE Statement:For example:UPDATE my_table SET column1 = 'new_value1', column2 = 'new_value2' WHERE id = 123;
90. Delete All Records in SQLite Table
    Steps:Obtain a Database Reference:Get an instance of your SQLiteOpenHelper class or use the SQLiteDatabase directly. Use the getWritableDatabase() method to open the database in writable mode
91. Simplifying Complex Queries: Using Room's IN Condition for Clean and Efficient Data Access in Android
    Room: An Android persistence library that simplifies interacting with SQLite. It provides abstractions for defining database schemas
92. Unlocking Search Power: A Look at Full-Text Search in Android with SQLite
    Imagine a library catalog. A basic search might just look for books with a specific title in the title field. Full-text search goes beyond that
93. Android SQLite: 'Cannot bind argument at index 1' Error Explained
    because the index is out of range: The specific problem is that the index (1) refers to the second placeholder (?) in the statement
94. Enhancing Security and Readability with Placeholders in Android SQLite's IN Clause
    The IN clause in SQLite is a powerful tool for filtering database results based on a set of values. It allows you to check if a column's value matches any of the values you provide within the clause
95. Effective SQLite Database Management with Singleton Pattern in Java (Android)
    This approach offers benefits like: Improved performance by avoiding redundant database connections and disconnections. Centralized management of the database connection
96. Boosting Performance: How to Tackle Slow Data Insertion in Your Android App's SQLite Database
    Indexes: Indexes help with searching data quickly, but keeping them updated during insertions can slow things down.Large data size: If you're inserting large chunks of data (like text or images), it can take longer to write everything to the database
97. SQLite for Storage, ContentProvider for Sharing: Mastering Data Management in Android Apps
    An app can directly access and manipulate the database using SQLite queries (INSERT, UPDATE, DELETE, etc. ).Think of it as the actual storage locker where your app keeps its information
98. Understanding the "_id" Field in Android SQLite
    In a nutshell:The _id field is a convention in Android development to refer to this rowid. It's not mandatory, but it helps with compatibility with certain Android UI components like CursorAdapter
99. Understanding nullColumnHack in Android SQLite's insert/replace Methods
    What it Does:The nullColumnHack parameter comes into play when you're using the ContentValues class to provide data for insertion or replacement