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Download Android SQLite Essentials by Sunny Kumar Aditya PDF

Posted On April 11, 2017 at 7:24 am by / Comments Off on Download Android SQLite Essentials by Sunny Kumar Aditya PDF

By Sunny Kumar Aditya

Develop Android purposes with the most favourite database engines, SQLite

About This Book

  • Develop database-driven Android purposes and remain prior to the curve
  • Explore the easiest suggestions to take advantage of cursors and loaders to accomplish optimal results
  • A step by step method of use SQLite for construction Android applications

Who This publication Is For

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

In Detail

SQLite is an open resource relational database administration procedure. Android makes use of the SQLite database to shop and retrieve facts many times. the driver in the back of the platform is the database, allowing a myriad of selections for builders making state of the art applications.

Android SQLite necessities specializes in the middle options in the back of construction database-driven functions. This ebook covers the elemental and complex subject matters with identical simplicity and element, so as to permit readers to quick take hold of and enforce the recommendations to construct an program database.

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

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Additional resources for Android SQLite Essentials

Example text

A simple example illustrating the use of the SQLiteOpenHelper class is present in the code bundle for this chapter; we would be using it for explanation: class SQLiteHelperClass { ... d("TAG", "Database opened"); } }; ... getWritableDatabase(); ... com/support and register to have the files e-mailed directly to you. SQLiteDatabase is the base class required to work with an SQLite database in Android and provides methods to open, query, update, and close the database. html. Then we will use the raw query to fetch data back from the table.

Internally, SQLite stores data in five storage classes that can also be referred to as primitive datatypes: NULL: This represents a missing value from the database. At the time of processing in the memory, they are converted to the most general 8-byte signed integer form. REAL: This is a floating point value, and SQLite uses this as an 8-byte IEEE floating point number to store such values. This value is a text string. BLOB: This type stores a large array of binary data, exactly how it was provided as input.

In short, this is a true DBA-less database. Even the contributors are asked to sign an affidavit to protect from any copyrights warfare that may occur in future. In the following chapters, we will be pulling out a database from an Android emulator to Windows. 8 has a footprint of less than 350 KiB (kibibyte) compared to its other SQL database engines, which are much larger. The test cases and test scripts in SQLite have approximately 1084 times more code than the source code of SQLite library and they claim 100 percent branch test coverage.

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