J2 me based file transfer and storage system architecture
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The document describes a project's architecture, which represents the components used and how requests flow through a 3-tier architecture. It explains that in a typical 3-tier architecture, requests come from clients to a server, which then contacts a backend database before returning responses to the client. The architecture ensures components communicate properly as requests are processed from the initial client request through to the final response.
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1. A data dictionary is a set of read-only tables that provide key information about the database such as definitions of schema objects, space allocation, and integrity constraints.
2. Common data dictionary views are DBA_TABLES, DBA_TAB_COLUMNS, and DBA_ALL_TABLES which describe tables, columns, and both relational and object tables respectively.
3. A client-server architecture contains clients that request services and servers that fulfill requests, with processing traditionally located on mainframe computers and clients using terminals.
Distributed Systems Architecture in Software Engineering SE11
Distributed systems architectures allow software to execute across multiple processors. Key approaches include client-server systems and distributed object architectures. Client-server divides an application into client and server components, while distributed object architectures treat all entities as objects that provide and consume services. Middleware like CORBA supports object communication and common services.
Clientserver
Client-server technology involves splitting tasks and computing power between servers and clients. Servers store and process common data that can be accessed by clients. Clients make requests to servers, which then process the requests and return the desired results. This architecture is versatile, supports GUIs, and reduces costs through technologies like relational databases and distributed computing. The document then discusses the evolution of client-server computing and different types of client-server architectures like thin/fat, stateless/stateful, two-tier/three-tier/n-tier architectures. It also covers client and server devices and developing client-server applications.
Chapter 2-Architectures2.ppt
This document discusses software architectures and system architectures. It describes different architectural styles like layered, object-based, data-centered, and event-based that organize software components logically. It also discusses centralized architectures with clients requesting services from servers and decentralized architectures with peer-to-peer and horizontal distribution. Centralized architectures can be organized into two-tiered and three-tiered structures, while decentralized architectures involve vertical and horizontal distribution of components across machines.
Chapter 2-Architectures23.ppt
This document discusses software architectures and system architectures. It describes different architectural styles like layered, object-based, data-centered, and event-based that organize software components logically. It also discusses centralized architectures with clients requesting services from servers and decentralized architectures with horizontal distribution and peer-to-peer systems where each process acts as both client and server. Finally, it covers centralized system architectures like client-server and multitiered and decentralized architectures with vertical and horizontal distribution.
Databases
Databases are systems that contain objects used together to facilitate fast access to data. A data warehouse stores and provides already transformed and summarized data, making it suitable for decision support systems. Metadata is data about data that describes source data elements. Data mining refers to extracting hidden patterns from large databases.
Databases
Databases are systems that contain objects used together to facilitate fast access to data. A data warehouse stores and provides already transformed and summarized data, making it suitable for decision support systems. Metadata is data about data that describes source data elements. Data mining refers to extracting hidden patterns from large databases.
Enterprise Software Architecture
The document discusses the architecture for an adaptable enterprise software system using a case study of a Student Credit Reporting System (SCRS) forms application. It describes adopting a service-oriented architecture using Java EE and web services to develop a multi-tier system with components like a forms server, application server, and database. The system was designed to leverage open source technologies like JBoss and Apache Struts for standardization and extensibility of web applications.
Introductuction of sql server gain america
Microsoft SQL Server is a relational database management system that allows for the creation, management, storage and retrieval of data. It provides a database engine for storage and querying of data, as well as services like replication, full-text search and notification services. SQL Server also includes business intelligence tools like Integration Services, Analysis Services and Reporting Services to generate reports and help with data analysis.
Major project report
The document discusses the development of an online voting system project. It includes an acknowledgement section thanking those who supported the project. It then outlines the objectives, introduction, scope and advantages of the project. The main technologies used are listed as HTML, CSS, Java servlets, JDBC, cookies and HTTP session. Finally, it provides more detailed explanations of each of the key technologies.
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J2 me based file transfer and storage system architecture
- 2. Project architecture represents no of components we are using as part of our project . The architecture describes about the flow of the request processing in the project. Describes about the communication of the components.
- 3. Generally in 3-Tier Architecture 1.Client(Mobile) 2.Server (GlassFishV3.0) 3.Back end Database(MySql). So it explain like Requests will be taken from the Client and it will be process in GlassFishV3.0 server the server will contact the database and process the request. The request will be get back to the service method and in turn it will send to the client nothing but mobile.
- 5. Sends Request Authenticates and sends result Provides Requested data Verifies
- 6. Requests for upload and Downloading of files. Provides Response User Provides response SERVER Stores Data(files) • It takes the request from the user and gives the desired data required from the database. DATABASE • Contains all the data related to users files .
- 7. Thank You