03531nam a2200409 a 4500 TVCDKTCT4535 Thư viện trường Cao đẳng Kỹ thuật Cao Thắng 20170523132931.9 060222 Thư viện Trường CĐ Kỹ Thuật Cao Thắng RG_1 #1 eb0 i1 i5 vie 004 / NG527T-c Nguyễn Bá Tường Cơ sở dữ liệu. Lý thuyết và thực hành. / Nguyễn Bá Tường H. : Khoa học và Kỹ thuật , 2005 291tr. ; 20,5cm Chương 1 : là các khái niệm chung về kho dữ liệu . Chương 1: Một số khái niệm chung Về CSDL, sơ lược về các mô hình : thực thể- liên hệ, mạng , phân cấp và hướng đối tượng. Chương 2 : Là chương trọng tâm của giáo trình , trình bày về mô hình CSDL quan hệ, các phép toán quan hệ, các ràng buộc của các tập thuộc tính dạng phụ thuộc hàm, phụ thuộc đa trị, hệ tiên đề Amstrong, các tính chất của phụ thuộc hàm , phụ thuộc đa trị,thuật tóan tìm bao đóng khóa và một số thủ thuật đoán các dạng chuẩn của sơ đồ quan hệ. Chương 2 : Xây dựng và phát triển kho dữ liệu. Chương 3 : Cách sử dụng kho dữ liệu. Chương 3 : Định nghĩa về mô hìnhCSDL dạng khối, khái niệm về khối dữ liệu,lát cắt, khóa của khối, các phép toán đại số trên khối. Chương 4 : Mô hình Client và Sever Chương 4: Khái niệm về CSDL phân tán, phép phân tách ngang, tách ngang theo mục đích, khái niệm phi phụ thuộc hàm và dạng chuẩn 4, tính kế thừa của các ràng buộc phụ thuộc hàm, phi phụ thuộc hàm sau phép tách ngang.......... Chương 5 : Giới thiệu vài ngôn ngữ thao tác dữ liệu DML (Data Manipulation Language), hoặc còn gọi là ngôn ngữ vấn tin( query language) để diễn tả các thao tác (operation) trên các tập tin. Cơ sở dữ liệu (DATABASE) là một lĩnh vực phát triển mạnh của công nghệ thông tin.Cùng với việc phát triển công nghệ thông tin ở nước ta, việc sử dụng các kiến thức về cơ sở dữ liệu ngày càng trở nên cần thiết. Nội dung chính của giáo trình được chia làm hai phần : Phần A : Cơ sở dữ liệu- Mô hình và ngôn ngữ thao tác. Phần A : gồm 5 chương Phần B : Phương pháp thiết kế và khai thác kho dữ liệu. Phần B có 4 chương. Cơ sở dữ liệu--Lý thuyết--Thực hành Tin học Công nghệ thông tin Kho Sách 100014013, 100014014, 100014015 Kho Tra Cứu 500000374, 500000375