'Integrity constraints' presentation slideshows

Introduction to Databases: Relational and XML Models and Languages

894 views • 74 slides

Review of INFO 605

Review of INFO 605. In the lecture we will summarize the main concepts that were covered in DB1. Refer to the lecture notes of DB1 for more detail. Review of INFO 605. Database design using ER model Relational model theory Database manipulation using SQL in Oracle.

663 views • 58 slides

CS157A Lecture 2 DB Mangement Systems

CS157A Lecture 2 DB Mangement Systems. Prof. Sin-Min Lee Department of Computer Science San Jose State University. Objectives. In this Lecture you will learn:. Purpose of Database Systems View of Data Data Models Data Definition Language Data Manipulation Language

694 views • 54 slides

Unit 14 Security and Integrity

Unit 14 Security and Integrity. DB. Contents. 1 4 . 1 Introduction 1 4 . 2 Security 1 4 . 3 Integrity 1 4 . 4 Security and Integrity in INGRES 1 4 . 5 Security in Statistical Databases 1 4 . 6 Data Encryption. user. DBMS. user. File Manager. O.S. 1 4 . 1 Introduction.

667 views • 53 slides

Chapter 6

Chapter 6. SQL Data Definition Language. Chapter 7 in Textbook. Database Design. Steps in building a database for an application:. Real-world domain. Conceptual model. DBMS data model. Create Schema (DDL). Modify data (DML). DDL Statements.

678 views • 49 slides

Data Definition Using MySQL

Data Definition Using MySQL. Many features are covered using ISO SQL standard. All the examples are done using MySQL. SQL identifiers are used to identify objects in the database, such as table names and columns.

584 views • 49 slides

The Relational Model Mapping the ER Model to a Database Implementation

The Relational Model Mapping the ER Model to a Database Implementation. The Relational Model. Mathematically based Can develop theoretical design improvements & enhancements that result in applications to many different applications Can use exact mathematical notation

422 views • 41 slides

CS5412: THE BASE METHODOLOGY versus THE ACID MODEL

507 views • 39 slides

Databases and DBMSs

Databases and DBMSs. Todd S. Bacastow January 2005. 1. Evolution. Ways of storing data. Files (1960) (ancient times) Databases Hierarchical (1970) Network (1970) Relational (1980) Object (1990). File terms. Record

500 views • 37 slides

CSC271 Database Systems

CSC271 Database Systems. Lecture # 23. Summary: Previous Lecture. Database design using ER modeling Concepts of ER model Entities Relationships Attributes. Classification of Entity Types. The entity types can classified into Strong entity type Weak entity type. Strong Entity Type.

613 views • 35 slides

Lecture 14: Transactions in SQL

Lecture 14: Transactions in SQL. Monday, October 30, 2006. Outline. Transactions in SQL The buffer manager. Transactions. Major component of database systems Critical for most applications; arguably more so than SQL Turing awards to database researchers: Charles Bachman 1973

1.35k views • 34 slides

Chapter 15: Agents

479 views • 34 slides

490 views • 31 slides

SQL III

SQL III . Pseudocolumns. Rownum (numeric) A number for each row in a select query Example: Branch(bname, bcity) SELECT rownum ordered_branch_seq, bname, bcity FROM branch ORDER BY bname; Rowid (char string) A character string that represents the physical address for a row of a table.

434 views • 28 slides

Database Management System

Database Management System. CCPS1533 Dr. Abdulsamad Ebrahim. Lecture 1. Introduction to Database Management. Learning Outcomes. Grasp the definition of a database. Get introduced to the main building blocks for a database. Understand the requirements of database applications

552 views • 28 slides

A Closer Look

A Closer Look. Chapter 2. Underlying Concepts of Databases and Transaction Processing. Databases. We are particularly interested in relational databases. Data is stored in tables. Table. Set of rows (no duplicates) Each row describes a different entity

336 views • 25 slides

Schema Refinement and Normal Forms

Schema Refinement and Normal Forms. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies

351 views • 25 slides

How well do you know your DATA?

How well do you know your DATA?. John Ramoutsakis May 10, 2012. Is Data Liability?. $$$ for Data Storage $$$ for Data Backups $$$ for Data Archiving $$$ for Data Replication $$$ for Data Synchronization $$$ for Disaster Recovery Planning. Is Data Asset?. Helps in making decisions

523 views • 24 slides

INTEGRITY CONSTRAINTS

INTEGRITY CONSTRAINTS. Database System Concepts, Second Edition, Chapter 5, page 149. UNIVERSITAS LAMPUNG FAKULTAS TEKNIK JURUSAN TEKNIK ELEKTRO TAHUN AKADEMIK 2013 /2014. Mk: Quiz sistem basis data dsn: mam, rasp. 2013 Quiz Sistem Basis Data [1].

319 views • 19 slides

Active Databases as Information Systems

Active Databases as Information Systems. Dina Q Goldin University of Connecticut, USA with Srinath Srinivasa, IIIT Bangalore, and Vijaya Srikanti, University of Connecticut. What are Databases?. Databases: systems that manage a large collection of (static) data

299 views • 13 slides