NGHIÊN CỨU XÂY DỰNG, KHAI THÁC KHO DỮ LIỆU

0 Người đánh giá. Xếp hạng trung bình 0

Tác giả:

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học- Trường Đại học Phú Yên, 2014

Mô tả vật lý:

Bộ sưu tập: Metadata

ID: 293280

Thêm vào giỏ Liên kết toàn văn

The building of a database has been studied for a long time, and there have been many tools and solutions proposed by some development and support companies. However, the work of building a data warehouse and data mining is a relatively new concept, even though they are also based on the database, they have their own distinct characteristics, and been studied in the recent years when more and more volumes of data have been stored on the computer and the Internet, and in some places, the volumes are up to terabytes. The big databases management systems such as Oracle 1xi, SQL Server 201x,... have currently been building their tools to support the data warehouse development and data mining. In the fields of business, banking, telecommunications... the building of data warehouse and data mining has become popular and brough about enormous efficiency. This article analyses and provides some deeper insight into the construction of a data warehouse and data mining. Keywords: Data warehouse, data mining, data loading, data extraction, data transformation.Việc xây dựng một cơ sở dữ liệu đã được nghiên cứu từ lâu, đã có nhiều công cụ và giải pháp của các hãng hỗ trợ phát triển, nhưng xây dựng kho dữ liệu và khai phá dữ liệu là một khái niệm khá mới, mặc dù cũng dựa trên nền tảng cơ sở dữ liệu nhưng mang những đặc thù riêng biệt, được nghiên cứu trong những năm gần đây khi khối lượng dữ liệu lưu trữ trên máy tính, Internet ngày càng khổng lồ, có nơi đã bắt đầu lên đến hàng terabyte. Các hệ quản trị cơ sở dữ liệu lớn như Oracle 1xi, SQL server 201x,… đã và đang xây dựng các công cụ hỗ trợ cho việc xây dựng kho dữ liệu và khai phá dữ liệu. Trong các lĩnh vực: bán hàng, ngân hàng, viễn thông … việc xây dựng kho dữ liệu và khai phá dữ liệu đã trở nên phổ biến và mang lại những hiệu quả rất lớn. Bài viết này phân tích và cung cấp cái nhìn sâu hơn về thực hiện xây dựng kho dữ liệu và khai phá dữ liệu. Từ khóa: Kho dữ liệu, khai phá dữ liệu, tải dữ liệu, trích xuất dữ liệu, chuyển đổi dữ liệu.

1. Đọc trực tuyến

1. Đọc trực tuyến

Tạo bộ sưu tập với mã QR