Abstract
Updates the data in the data warehouse is not traditionally done every transaction. Retail information systems require the latest data and can be accessed from anywhere for business analysis needs. Therefore, in this study will be made data warehouse model that is able to produce the information near real time, and can be accessed from anywhere by end users application. Modeling design integration of nearly real time data warehouse (NRTDWH) with a service oriented architecture (SOA) to support the retail information system is done in two stages. In the first stage will be designed modeling NRTDWH using Change Data Capture (CDC) based Transaction Log. In the second stage will be designed modeling NRTDWH integration with SOA-based web service. Tests conducted by a simulation test applications. Test applications used retail information systems, web-based web service client, desktop, and mobile. Results of this study were (1) ETL-based CDC captures changes to the source table and then store it in the database NRTDWH with the help of a scheduler; (2) Middleware web service makes 6 service based on data contained in the database NRTDWH, and each of these services accessible and implemented by the web service client.
Highlights
Updates the data in the data warehouse is not traditionally done every transaction
able to produce the information near real time
support the retail information system is done in two stages
Summary
Informasi merupakan hal yang sangat penting bagi suatu perusahaan. Untuk mendapatkan informasi, banyak perusahan menggunakan aplikasi database management system (DBMS). Aplikasi DBMS ini menghasilkan data yang harus diolah lagi supaya dapat digunakan untuk kebutuhan analisa dan pengambilan keputusan. Data warehouse yang diperbarui secara periodik dalam suatu jangka waktu tertentu mungkin masih cukup mampu untuk memenuhi kebutuhan informasi dalam rangka menunjang sistem pengambilan keputusan pada suatu perusahaan. Pada saat implementasi real time data warehouse, dikarenakan ada beberapa hal yang harus dilakukan oleh proses Extract Transform Load (ETL) maka akan ada waktu tunggu (latency)[1][2][3][4][5][6]. Untuk mengatasi kebutuhan akses informasi NRTDWH oleh end user application yang berbeda-beda serta untuk mengatasi ketergantungan terhadap jenis DBMS dari NRTDWH maka pada penelitian ini akan dikembangkan model service oriented architecture (SOA).
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