'Create view' presentation slideshows

??? ??????? SQL( ? ) ???????? ??

??? ??????? SQL( ? ) ???????? ??. ????. 6-1 ?? 6-2 ?????? (DDL) ?? ? ?? ? (Schema) ?? ? ??? ? (Tables) 6-3 ?????? (DML) ???? (Inert Operation) ???? (Delete Operation) ???? (Update Operation) ???? (Select Operation). ??????????? (1/4). ???? (File System) ?? (File) ?? (Fields)

1.47k views • 106 slides

Oracle Tricks and Techniques in Supporting Systems Administration

Oracle Tricks and Techniques in Supporting Systems Administration Jon Finke Rensselaer Polytechnic Institute SANS 2000 Introduction NOT how to be a Database Administrator Why use Oracle (or other RDBMS) Automation Data Management Access Control Build in Business Rules Auditing

862 views • 61 slides

Uncertain Data Management for Sensor Networks

Uncertain Data Management for Sensor Networks. Amol Deshpande, University of Maryland. (joint work w / Bhargav Kanagal , Prithviraj Sen , Lise Getoor , Sam Madden) . Distributed measurement networks (e.g. GPS). RFID. Industrial Monitoring. Motivation: Sensor Networks. Wireless sensor

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STRUCTURED QUERY LANGUAGE

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Chapter 6

Chapter 6. SQL. Agenda. Data Definition Language (DDL) Access Control. String Data Types. Boolean data: true, false, null, unknown value (true > false) Character data Fixed length: CHAR(4) Variable length: VARCHAR(30) Bit data: binary string BIT(4). Numeric Data Types.

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Agenda

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Lecture 10 of 42

Lecture 10 of 42. Notes: MP2 Questions, Advanced SQL and Relational Calculus Preliminaries. Tuesday, 06 February 2007 William H. Hsu Department of Computing and Information Sciences, KSU KSOL course page: http://snipurl.com/va60

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The Structure of (Computer) Scientific Revolutions

The Structure of (Computer) Scientific Revolutions. Michael Franklin UC Berkeley & Amalgamated Insight. Dow Jones Enterprise Ventures May 2006. Data Management: Then. Structured Data Processing. Data Management: Now. The Structure Spectrum. Structured data (schema-first)

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Security and Integrity

Security and Integrity. Database security and Authorization. Introduction to security issues Mechanisms used to grant and revoke privilege in relational database in SQL An overview of the mechanisms for enforcing multiple levels of security

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Design process

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Design process

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Unit 3 SQL

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Programmable Objects Seminar 7

Programmable Objects Seminar 7. Deanne Larson. Variables.

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SQL: Updates (DML) and Views (DDL)

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Boange_MSY Database

Boange_MSY Database. By Sean Boange. Database Description.

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Oracle structures on database applications development

Oracle structures on database applications development. LCG Database Deployment and Persistency Workshop 18-Oct-2005 Miguel Anjo (CERN-IT). Objectives. Increase security Improve scalability Allow resource management Better definition of development stages

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Create Views Using T-SQL

Create Views Using T-SQL. LESSON 2.3a. 98-364 Database Administration Fundamentals. Lesson Overview In this lesson, you will learn: What is T-SQL? How is T-SQL different from other graphical designers? What is a view? What advantages do views have? How is a view created?. What is T-SQL?

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Creating Views

Creating Views. What Is a View?. ID LAST_NAME FIRST_NAME TITLE DEPT_ID -- ------------ ---------- -------------------- ------- 1 Velasquez Carmen President 50 2 Ngao LaDoris VP, Operations 41

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??? SQL ??

??? SQL ??. ?? ????????? ?????? : Create view ??? () As ... ????????? , ???? , ???? ???? ( cascade ? restricted ) ??? ???????? : ????????????? ???? ( ??? ), ????????? ???? : Grant,Revoke(cascade ? restricted). ??? SQL ??. ???? ???????????? SQL ?? ??? SQL ?? , ???????.

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CREATE VIEW S_G(Sno, Gavg) AS SELECT Sno, AVG(Grade) FROM SC GROUP BY Sno

SC. CREATE VIEW S_G(Sno, Gavg) AS SELECT Sno, AVG(Grade) FROM SC GROUP BY Sno. S_G.

121 views • 1 slides