tailieunhanh - Introduction to Computing: Lecture 6 - Dr. Pham Tran Vu

Introduction to Computing: Lecture 6 - Databases presents about The Hierarchy of Data, Keys and Attributes, The Traditional Approach To Data Management, Database, Database Approach, Traditional Files vs. Databases, Database Management Systems. | Introduction to Computing Lectured by Dr. Pham Tran Vu BKfc jp-hciiM . . I r . The Hierarchy of Data Hierarchy of dsta Example Database Personnel file Í Department file I Project database z i I 1 Files Records r 09B - 40 - 1370 Fiske Steven 01 -05-1905 ị 549 - 77 - 1ŨỘ1 Bụckley. Bill 02-17-1079 Personnel fits S_006_ L J t ĩtíl .1 r . _ Record containing 098- 40-1370 Fiske. Sievan 01-06-1985 5SN last and iirsi name hire dale Fields 1 r 1 Fiske Last name field Characters Bytes 1000100 Leller F in ASCII 1 J F