PPT-Database Management Systems

Chapter 5 Advanced Queries 1 2 Objectives How can SQL be used to answer more complex questions Why are some business questions more difficult than others How do you find something that did not happen . Databases and Database Management Systems. Lecturer: Akanferi Albert. akanferi@yahoo.com. 1. Essential Areas of Part 1. Problems with File-based System. Advantages Offered by Database Approach. Database Environment. Hash-Based IndexesChapter 11 Database Management Systems 3ed, R. Ramakrishnan and J. Gehrke2 IntroductionAs for any index, 3 alternatives for data entries Data record with key value, rid of data reco Basic SQL. Database Design -- Basic SQL. 1. Chapter 4 Outline. SQL Data Definition and Data Types. Specifying Constraints in SQL. Basic Retrieval Queries in SQL. INSERT. , . DELETE. , and . UPDATE. Statements in SQL. Functional Dependences. Normal Forms. D. Christozov / G.Tuparov. INF 280 Database Systems: DB design: Normal Forms. 1. Objectives. Purpose of normalization.. Problems associated with redundant data.. Yan Cui. ITK478. Position paper. Issues in enterprises. “…. organizations merge or takeover since the existing systems have been designed for different corporate needs, the resulting enterprise will have to face information inconsistency, heterogeneity and incompatible overlap”. . February 21 . Class . Meeting. Department of Computer . Engineering. San Jose State University. Spring 2017. Instructor: Ron Mak. www.cs.sjsu.edu/~mak. Entity Integrity Constraint. No primary key column of a relational table . Chapter 10. Database Administration. 1. Objectives. What administrative tasks need to be performed with a database application?. How do you ensure data is consistent across multiple databases?. What are the basic tasks of a database administrator?. Presented by:. 1. VFA. 2. Detailed . Facility Condition Assessment. (FCA). School Facility Management System . (SFMS). It’s important to distinguish between the . two sides of VFA. One is . NOT. the other…they are very different. . Recommendations & Observations. Part One. Today’s Presenters. Steve Eastwood. 2-1-1 Arizona, Community Information and Referral Services, Phoenix, Arizona. Dave . Erlandson. United Way 211/Ceridian, Minneapolis, Minnesota. What are your biggest concerns about data management for your research protocols?. I do think data managers need better managers than just PIs--ideally masters or PhD level biostatisticians who can make sure they are doing things correctly.. and. Performance . Analysis. Laureando:. Valerio Barbagallo. Relatore:. Paolo Merialdo. Correlatore:. Michele Aiello. Context. A . database. is a structured collection of data. A . database management system. DBMS | CSC-351/621. Getting Started and Quick Overview. Motivation. SQL is one of the significant skills required for . Data Science. According to Glassdoor, the average salary for SQL Developer is . 2. Basic DB Terms. Data. : Meaningful facts, text, graphics, images, sound, video segments. A collection of individual responses from a marketing research. Information. : Data processed to be useful in decision making. Ashraf Aboulnaga. University of Waterloo. Acknowledgments. University of Waterloo. Prof. Kenneth Salem. Umar Farooq . Minhas. Rui Liu (post-doctoral fellow). University . of British Columbia . Prof. Andrew Warfield.