'Referential integrity constraints' diaporamas de présentation

SQL:-

SQL:-. SQL:-SQL is a standard computer language for accessing and manipulating databases. and manipulate data in Oracle, Sybase, SQL Server, DB2, Access, and other database systems. What is SQL?:- SQL stands for S tructured Q uery L anguage SQL allows you to access a database

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SQL Unit 10 Creating Tables, Adding Constraints, and Defining Indexes

SQL Unit 10 Creating Tables, Adding Constraints, and Defining Indexes. Kirk Scott. 10.1 The Keyword CREATE 10.2 Background on General Constraints 10.3 The Primary Key Constraint 10.4 The Uniqueness Constraint 10.5 The Not Null Constraint 10.6 The Foreign Key Constraint

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University of California, Berkeley School of Information IS 257: Database Management

Referential Integrity and Database Design Recap: From Conceptual Design to Physical Relational Implementation. University of California, Berkeley School of Information IS 257: Database Management. Lecture Outline. Review Integrity constraints Database Design Process Recap

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Database Administration: Security and Integrity

Database Administration: Security and Integrity. University of California, Berkeley School of Information IS 257: Database Management. Security and Integrity Functions in Database Administration. Review MySQL functions and setup Data Integrity Security Management Backup and Recovery.

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Database Administration: Security and Integrity

Database Administration: Security and Integrity. University of California, Berkeley School of Information IS 257: Database Management. Security and Integrity Functions in Database Administration. Review MySQL functions and setup Data Integrity Security Management Backup and Recovery.

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Lecture 3 ORACLE Database Schema

Lecture 3 ORACLE Database Schema . Objectives. After completing this lesson, you should be able to : Start and stop the Oracle database and components Use Oracle Enterprise Manager Define schema objects and data types Create and modify tables Define constraints

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Relational Calculus

?. Relational Calculus. ?. CS 186, Fall 2005 R&G, Chapter 4. We will occasionally use this arrow notation unless there is danger of no confusion. Ronald Graham Elements of Ramsey Theory. Relational Calculus.

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Chapter 4 Basic SQL

Chapter 4 Basic SQL. 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 Additional Features of SQL. Basic SQL. SQL language

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Logical Database Design

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Functional Dependencies

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Appendix A: XML and XML Schema

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Web-Enabled Decision Support Systems

Web-Enabled Decision Support Systems. Relationships: Linking Access Tables. Prof. Name name@email.com Position (123) 456-7890 University Name. Overview. 7.1 Introduction 7.2 Defining Relationships in the Relationships Window

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Microsoft Access 2

Microsoft Access 2. Database Creation and Management. Characteristics of Relational DB. In a relational model (database), each record (row) in a table must be uniquely identified. Using Primary Key

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Basic Standards for Web Services

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SQL2-ch2

SQL2-ch2. ??????. ??. 80 ?? 4 ? 15 ? 16 ? 23 ? 26 ? 35 ? 48 ? 56 ? 61 ? 65 ? 78 ? 140 ?? 38 ? 101 ? 109 ? 122 ? 135 ?. Q4/80.

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File and Database Design; Logic Modeling

File and Database Design; Logic Modeling. Class 24. Project Identification & Selection. Project Initiation & Planning. Analysis. Logical Design. Physical Design ***. Implementation. Maintenance. SDLC. Databases. File Systems Databases Hierarchical Database Model

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Agenda for Class 2/02/2006

Agenda for Class 2/02/2006. Finish discussing constraints generated with the CREATE TABLE statement. Discuss DROP statement. Discuss INSERT, COMMIT, DELETE, and UPDATE statements. Introduce SELECT statement. Discuss a few helpful SQLPlus commands. Do SQL class exercise.

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