Implementation of sql server based on sqlite engine on

IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 03 Issue: 04 | Apr-2014, Available @ http://www.ijret.org 268
IMPLEMENTATION OF SQL SERVER BASED ON SQLITE ENGINE ON
ANDROID PLATFORM
Kiran Dhokale1
, Namdeo Bange2
, Shelke Pradip3
, Sachin Malave4
1
B.E computer engineering, Institute of Knowledge College of engineering, Pune
2
3
4
Professor, Institute of Knowledge College of engineering, Pune
Abstract
Android is an open source software assemble of an operating system, middleware and key applications for mobile devices introduced
by Google capable of running multiple application programs. It is a complete operating environment based upon the Linux V2.6
kernel. Initially, the deployment target for Android was the mobile-phone arena such as smart phones and low-cost flip-phone devices.
Android platform is produced to make new and innovative mobile application program for the developers to make full use of all
functions connected to handset internet. As a complete mobile platform, Android provides universal set of powerful Operation System,
Comprehensive Library Set, abundant Multimedia User Interface and Phone Application. The data storage burden is eased because
the Android platform includes the popular open source SQLite database. SQLite is a software library that implements a SQL engine. It
has been used with great success as on-disk file format: allows the developer to handle data in a simple way, but also have the use of
database features (such as undo, redo, etc.). In embedded device environment, in which there is low-concurrency and there are little
or medium size datasets, SQLite is the right choice. Purposed system gives the Databases created will be accessible by name to any
class not only in the application, but also outside the application.
Keywords: Embedded Database, android, android platform, SQLite database
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1. INTRODUCTION
Android platform is produced to make new and innovative
mobile application program for the developers to make full
use of all functions connected to handset internet. As a
complete mobile platform, Android provides universal set of
powerful Operation System, Comprehensive Library Set,
abundant Multimedia User Interface and Phone Application.
The data storage burden is eased because the Android platform
includes the popular open source SQLite database. SQLite is a
software library that implements a SQL engine. It has been
used with great success as on-disk file format: allows the
developer to handle data in a simple way, but also have the use
of database features (such as undo, redo, etc.). In embedded
device environment, in which there is low-concurrency and
there are little or medium size datasets, SQLite is the right
choice. Android is a software stack for mobile devices that
includes an operating system, middleware, and key
applications. The Android SDK provides the tools and
libraries necessary to begin developing applications that run
on Android-powered devices. Android provides full support
for Sql server databases. Databases created will be accessible
by name to any class in the application, but not outside the
application. Hence we require Sql server Database. For any
software application on any system we require database to
store the data. Android platform includes the popular open
source SQLite database which has been used with great
success as on-disk file format that allows the developer to
handle data in a simple way, but also have the use of database
features (such as undo, redo, etc.).
2. EXISTING SYSTEM
SQLite Android phone
Fig 1.Existing System Architecture
In the current system configuration, data will be stored inside
the Mobile phone in SQLite Database (see Figure 1). If we
want to save the data in a common place, i.e., Remote Server
until now there is no easy mechanism to implement this. The
need for storing Information in remote server exists because
even if the mobile is lost or stolen you can get Back all the

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expenses data stored inside the phone. The idea of storing
information in remote server is implemented using Web
Services which can save the data in the Remote database like
SQL Server.
2.1 Drawbacks
• No full data Access.
• Database not Accessible from outside application.
• Memory Problem.
• Not Secure.
• Not Flexible.
3. PROBLEM STATEMENT
There is acute problem of storing the data in mobile platform
now a day the mobile users are increasing day-by-day we need
the database for storing the data the database available for the
Android mobile phones is SQLite database but with the
SQLite database there are many problems such Access to the
database, security problem, memory problem, OS support
problems come into picture Can this problem be solved?
Solution to this problem is SQL database server we are going
to resolve the maximum problems that are going to face by
SQLite database .we are going to concentrate maximum on the
access of database from the application and outside the
application. SQL database server give the full and secure
access to the database
4. PROPOSED SYSTEM
Fig 2 Proposed System Architecture
Our proposed system overcomes the drawbacks of the existing
system. It has advance facilities to make it more user friendly.
The proposed mobile application is completed based on
Service Oriented Architecture (SOA) where we have thin
clients like Android Phones, iPhones, etc. Services are self-
contained and communicate using messages like xml. They
are cross platform, asynchronous, reliable and secured. SOA is
an architectural style for building business applications using
loosely coupled services which act like black boxes and can be
orchestrated to achieve a specific functionality by linking
together which you can see in Figure 1.2. Once we have a web
service in remote server with centralized database then we can
use the same web service for different clients either it may be
Android, iPhone, Blackberry, Windows phone, Bada, Java
phones, Symbian phones, etc. Different clients can use the
common web service to save or retrieve the data. We can also
take backup/restore the database from database end.
4.1 Our Plan and its Advantages:
 For Day to Day Life: Android mobile users directly
store the data in the mobile.
 Data Access outside the Application: Android mobile
users can easily access the data inside the application
as well as outside the application.
 Minimum Memory Requirement: It is a lightweight
transactional database engine that occupies a small
amount of disk storage and memory.
 Supports Standard Relational Database: Proposed
system supports standard Relational database features
like SQL syntax, transactions and prepared
statements.
 User-Friendly.
 No Database Setup or Administration Required:
Using proposed system database in Android does not
require any database setup or administration
 Full Android os supported: proposed system gives
full support to the android mobile applications.
5. SYSTEM REQUIREMENT
A) Hardware Components
B) Software Requirement
Hardware Components:
Table 1: Hardware Components
System Pentium IV 2.4 GHz & onwards.
Hard Disk 40 GB
Monitor 15 VGA Color
Mouse USB
RAM 256 MB
Smartphone with Android 2.0 onwards
Client1 Client2 Client3
Server Interface (Port)
Server
SQLite Engine

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Software Requirement:
Table 2: Software Requirements
Operating
System
Windows XPSP2 & onwards.
Language
Java (JDK 1.6 & onwards) &
Android SDK Tools (Version
22.0.4),eclipse ADT
Emulator Android Emulator.
SQLite SQLite Engine.
5.1 Development Tools
Eclipse & Android SDK Tools are an integrated development
environment (IDE) for visually designing, constructing,
testing, and deploying Web services, portals, and Java (J2EE)
applications.
5.1.1 Eclipse
In computer programming Eclipse does a multi-language
Iintegrated development environment (IDE) comprise a base
workspace and an extensible plug-in system for customizing
the environment. It is written mostly in Java. It can be used to
develop applications in Java and, by means of various plug-
ins, other programming language including Ada, C, C++,
COBOL, Fortran, Haskell, JavaScript, Lasso, Perl, PHP,
Python, Ruby, Scala, Clojure, Groovy, Scheme, and Erlang. It
can also be used to develop packages for the software
Mathematica. Development environments include the Eclipse
Java development tools (JDT) for Java and Scala, Eclipse
CDT for C/C++ and Eclipse PDT for PHP, among others. The
initial codebase originated from IBM VisualAge. The Eclipse
software development kit (SDK), which includes the Java
development tools, is meant for Java developers. Users can
extend its abilities by installing plug-ins written for the Eclipse
Platform, such as development toolkits for other programming
languages, and can write and contribute their own plug-in
modules. Released under the terms of the Eclipse Public
License, Eclipse SDK is free and open source
software(although it is incompatible with the GNU General
Public License). It was one of the first IDEs to run under GNU
Class path and it runs without problems under Iced Tea. [16]
5.1.2 Android SDK Tools
The Android software development kit (SDK) includes a
comprehensive set of development tools. These include a
debugger, libraries, a handset emulator based on QEMU,
documentation, sample code, and tutorials. Currently
supported development platforms include computers running
Linux (any modern desktop Linux distribution), Mac OS X
10.5.8 or later, Windows XP or later; for the moment one can
develop Android software on Android itself by using [AIDE -
Android IDE - Java, C++] app and [Android java editor] app.
The officially supported integrated development environment
(IDE) is Eclipse using the Android Development Tools (ADT)
Plugin, though IntelliJ IDEA IDE (all editions) fully supports
Android development out of the box, and NetBeans IDE also
supports Android development via a plugin. Additionally,
developers may use any text editor to edit Java and XML files,
then use command line tools (Java Development Kit and
Apache Ant are required) to create, build and debug Android
applications as well as control attached Android devices (e.g.,
triggering a reboot, installing software package(s)
remotely).Enhancements to Android's SDK go hand in hand
with the overall Android platform development. The SDK also
supports older versions of the Android platform in case
developers wish to target their applications at older devices.
Development tools are downloadable components, so after one
has downloaded the latest version and platform, older
platforms and tools can also be downloaded for compatibility
testing.[17]
Android applications are packaged in .apk format and stored
under /data/app folder on the Android OS (the folder is
accessible only to the root user for security reasons). APK
package contains .dex files (compiled byte code files called
Dalvik executable), resource files, etc.
5.2 Design tool – Star UML Software Modeler
StarUML supports most of the diagram types specified in
UML 2.0. It is currently missing object, package, timing and
interaction overview diagrams (though the first two can be
adequately modeled through the class diagram
editor).StarUML supports most of the diagram types specified
in UML 2.0. It is currently missing object, package, timing
and interaction overview diagrams (though the first two can be
adequately modeled through the class diagram editor).
6. NON-FUNCTIONAL REQUIREMENTS
 There are requirements that are not functional in
nature. Specifically, these are the constraints the
system must work within.
 The Database must be compatible with the Android
OS based on Smartphone’s.
6.1 Performance Requirements
 Clicking any Application the data which is created by
application will take less than 1 second
 Immediate accessing of Database services
 Any activity related to Database should take less than
3 second.
6.2 Safety Requirements
 The database should be carefully maintained by the
administrator any loss may lead to chaos.
 Control access to Database.

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 Prevention of Duplicate Data.
6.3 Security Requirements
 The system should be secure enough to protect
against denial-of-service attacks. Administrator
password must be highly confidential.
 They should be secure enough to prevent the
corruption of data from unauthorized user.
 The users login information should be secure enough
so that anyone cannot access data except authorize
person.
6.4 Dependability
 Database must be reliable enough so that when
different users perform the same task, the expected
outcome does not differ.
 The Database must be reliable enough so that when
users perform normal functions the system does not
fail.
6.5 Usability
 The application must be easy enough to learn so that
users know how to use the product entirely on their
first try.
 The Database must be more efficient than similar
products.
6.6 Flexibility
 The Database must be able to support Android
Application.
 The Database must be able to support Android OS.
 The Database must be flexible enough to support
users with different power.
7. BASIC CONCEPT
Database is basic concept because to design Application
maximum number of times we require Database because
every information in which are require are stored in the
database. So database is essential part of the computer system
.same concept is going to use in the mobile or smart phones
also the speed of application is depend on the database also
then we are searching for the mobile databases we find that
storing the information in the mobile is very difficult because
memory problem is big concern with the mobile Databases. So
we find the Databases recently used for storing the
information .we find that the SQLite Database most popularly
used now a days for mobile phones .we find that this Database
has many problems we have to resolve that problems .some
problems are we can’t access Database outside the application.
Memory problem, Security problem.so we concentrate on this
problem what we have to do is synchronize the maximum data
in the less memory then we can resolve the problem of
memory. We are going to use the socket programming so that
we are giving full access to all the application and lastly the
problem of security can be resolve by giving authentication to
the users .we are not use locking and unlocking that are used
in the SQLite.
8. LITERATURE SURVEY
8.1 Survey 1
1. Paper Title: Creating and Using Databases for Android
Applications, June 2012.
8.1.1 Paper Discussion
This paper presents the overview of the Android platform
towards software development for mobile and non-mobile
applications. Android platform includes the popular open
source SQLite database which has been used with great
success as on-disk file format that allows the developer to
handle data in a simple way, but also have the use of database
features (such as undo, redo, etc.).
8.1.2 Advantages
 The Database stored in the SQLite Database instead
of folders, other Database.
 Memory requirement is minimum.
 Locking and Unlocking is used for security purpose.
8.1.3 Disadvantages:
 The Database stored in the SQLite Database not
accessible outside the application.
 Locking and Unlocking is used that not provide full
security.
 Concurrent access to the database not possible.
8.2 Survey 2
1. Paper Title: Accessing External Databases from Mobile
Applications.
8.2.1 Paper Discussion
In the early years of this decade, we have seen an explosion in
the number of mobile devices such as smart phones and tablets
from varied manufacturers consisting of varied operating
systems. At the same time, the number of mobile applications
has exceeded 500,000 across all platforms. One of the
characteristics of several of these applications is their use of
databases (either local or remote) for accessing data.
Accessing data from remote databases in mobile applications
is not straightforward. Database queries cannot be invoked on
a remote database as done on a local database. In this paper,
we will discuss the approach to solve this problem by using
MVC (Model-View-Controller) software design pattern. By
using this approach, we can enable mobile applications to
communicate with remote databases seamlessly. The solution

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discussed in this paper is platform agnostic i.e; this solution
can be used independent of the platform that is used to
develop mobile applications. It can be a native app( iOS,
Android), a mobile web app( HTML5, jQuery, jQtouch) or an
Hybrid app( Phone gap, Rho Mobile, Titanium).
8.2.2 Advantages:
 Database queries can be invoked on remote Database.
 This solution is platform independent.
 Mobile applications communicate with remote
databases seamlessly.
8.2.3 Disadvantages:
 Accessing database from remote database is very
difficult.
 Accessing database from remote server is very time
consuming.
 Database is depend on the remote server for that we
require web connection.
9. OBJECTIVES
The objectives of the SQL server based on SQLite engine can
be stated as follows:
1. User can access data very easily
 The data can be access from database very easily and
fast access of the data.
 Maximum number of queries can be executed by
using SQL server.
 By using queries we can access data without remote
server on local server.
2. Development of the logic that would enable-
 The database can be accessible from the class of the
application but also outside the class of application.
 Concurrent access to the database.
 Persistency to the database is preserved. Maximum
no of data can be stored in less place good memory
management.
3. Database stored is much secured hence only authenticated
users can access to the database.
10. MOTIVATION
The application under consideration, The SQL database
server, is a novel idea which has never been implemented
before. This became our source of motivation for going ahead
with this project. All the current mobile databases are
 Time consuming.
 Memory required is more.
 Data is not secured in the current mobile databases.
 Data in the current mobile databases are not
accessible outside the application.
A different source of motivation behind the development of
this application is that of the IOK College, pune. Teachers &
Student of this college suffering one problem storing the data
in the mobile application they faced the problem in the game
when they don’t get access to all the databases. We thought;
why not develop an Android mobile database. As our gift to
the students & teachers of the IOK-COE? This really gave us
the passion to go after the completion of this project. This
database is given the security, speed, concurrency to the users.
11. SYSTEM IMPLEMENTATION
SQL database system is concurrent database system. Which
give support to the database for the android mobile system. It
going to support only android OS.database is backend of the
mobile application. That is all data required for the mobile
application are stored in the in the database. But the mobile
memory is problem for the mobile. Hence we are going to the
synchronize the database. Hence it take less memory to store
the data .for security we are try to give authentication to the
users .for accessibility we give the access to the database from
inside and outside the mobile application. Like SQL database
for pc we can execute maximum query on the SQL mobile
database. Queries are processed by using the SQLite database
engine. Database stored the database in the persistent way .it
follows the rules of relational database. This database is very
useful for the Android mobile database system.
12. CONCLUSIONS
 Android is a software stack for mobile devices that
includes an operating system, middleware, and key
applications. The Android SDK provides the tools
and libraries necessary to begin developing
applications that run on Android-powered devices.
Android should provide full support for SQL
database server. Databases created will be accessible
by name to any class in the application and outside
the application. This application is very simple to use
and helpful to store the data quickly and with
minimum size for any android application.
 It will also provide a security to all users.
FUTURE SCOPE
The current database SQL Server database can also be
replaced by other open Source databases like MySQL, Oracle,
Postgre, etc. We can improve the security in database storage
which decreases the hacking problems. The current database
server also be replace with the database which can store the
large amount of data with minimum memory requirement. The
current database is replaced with database which can store the
data that is not in structure format. The current database SQL
Server database can also be replaced by other open source
databases like MySQL, Oracle, Postgre, etc.

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