Android SQLite Essentials by Sunny Kumar Aditya

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By Sunny Kumar Aditya

Develop Android purposes with the most regular database engines, SQLite

About This Book

  • Develop database-driven Android purposes and remain sooner than the curve
  • Explore the simplest ideas to take advantage of cursors and loaders to accomplish optimal results
  • A step by step method of use SQLite for development Android applications

Who This publication Is For

This is a perfect e-book for Android programmers who are looking to discover SQLite databases in keeping with Android functions. the overall competency point anticipated of the reader is past wisdom of constructing functions and simple wisdom of Android and SQL.

What you are going to Learn

  • Design and enhance an Android SQLite database architecture
  • Learn the fundamental rules of a database and comprise them on your applications
  • Get accustomed to Android help sessions with examples highlighting their uses
  • Create state-of-the-art, database-driven functions in no time
  • Use SQLiteOpenHelper and SQLiteDatabase equipment with Android views
  • Make use of ContentProvider to proportion your data
  • Use Loaders and SimpleCursorAdapter on your applications

In Detail

SQLite is an open resource relational database administration approach. Android makes use of the SQLite database to shop and retrieve information again and again. the motive force in the back of the platform is the database, allowing a myriad of decisions for builders making state of the art applications.

Android SQLite necessities specializes in the middle techniques at the back of development database-driven functions. This e-book covers the elemental and complicated subject matters with identical simplicity and element, for you to permit readers to speedy clutch and enforce the strategies to construct an software database.

This booklet takes a hands-on, example-based method of aid readers comprehend the middle themes of SQLite and Android database-driven functions. This ebook specializes in supplying you with latent in addition to frequent wisdom approximately practices and techniques in the direction of improvement in an simply comprehensible manner.

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Extra info for Android SQLite Essentials

Sample text

This value is a text string. BLOB: This type stores a large array of binary data, exactly how it was provided as input. SQLite itself does not validate if the types written to the columns are actually of the defined type, for example, you can write an integer into a string column and vice versa. The catch is, it won’t contain the familiar TRUE/FALSE values. The file is present in the internal storage of an application, and access to it can be public or private as needed. A general example would be saving the last read position in a PDF, or saving a user’s preference to show a rating box.

A CREATE TABLE command describes the following attributes of the new table that is being created: The name of the new table. Tables may be generated in the main database, the temp database, or in any database attached. The name of each column in the table. The declared type of each column in the table. A default value or expression for each column in the table. A default relation sequence to be used with each column. This will support both single-column and composite (multiple-column) primary keys.

BLOB: This type stores a large array of binary data, exactly how it was provided as input. SQLite itself does not validate if the types written to the columns are actually of the defined type, for example, you can write an integer into a string column and vice versa. The catch is, it won’t contain the familiar TRUE/FALSE values. The file is present in the internal storage of an application, and access to it can be public or private as needed. A general example would be saving the last read position in a PDF, or saving a user’s preference to show a rating box.

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