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DESEMPEÑO DE CONSULTAS SQL RELACIONALES Y OBJETO-RELACIONALES EN ORACLE REVISTA INGENIERIA E INVESTIGACION No (59). VOL: 25 No.3 DICIEMBRE DE 20054 Desempeño de consultas…
Consultas y subconsultas multitabla en SQL server (biblioteca) Consultas y subconsultas multitabla en SQL server (biblioteca) LICENCIATURA EN TECNOLOGIASDE LA INFORMACION…
CREACIONDECONSULTAS SELECT Y INNER JOIN CREACIONDECONSULTAS SELECT Y INNER JOIN La tabla libros con los nuevos registros CREACION DE LA PIMERACONSULTA SELECT CREACION DE…
1 Database Systems Session 5 – Main Theme Relational Algebra, Relational Calculus, and SQL Dr. Jean-Claude Franchitti New York University Computer Science Department Courant…
Microsoft PowerPoint - Relational Algebra-Relational Calculus-SQL.pptDr. Jean-Claude Franchitti Courant Institute of Mathematical Sciences Presentation material partially
Venkatesh Vinayakarao Vv RDBMS and SQL Relational Algebra Venkatesh Vinayakarao venkateshv@cmiacin http:vvteshcoin Chennai Mathematical Institute Slide contents are borrowed…
8182019 Subconsultas y Vistas 137 Sistemas de Bases de Datos II Subconsultas y Vistas Docente:TRT Gonzalo Martínez CETP – EMT Informática 8182019 Subconsultas y Vistas…
Object-Relational SQL Introduction: Object-Relational SQL (ORSQL) capabilities Objects and Tables OR-Create, -Insert, -Update, -Select User Defined Functions Datenbanken…
Slide 1 PEMETAAN – RELATIONAL - SQL Pemetaan ER-D ke Skema Relasi Step 1: Mapping of Regular Entity Types Step 2: Mapping of Weak Entity Types Step 3: Mapping of Binary…
Lec3• from — which table(s) • order by — how to sort • ORDER BY colName [asc,desc] • GROUP BY colName • LIMIT 10 • use select distinct
Introduction to RA and SQL Queries and Operations SQL and Relational Algebra T. M. Murali August 30, 2010 T. M. Murali August 30, 2010 CS4604: SQL and Relational Algebra…
SUBCONSULTAS Y OPERADORES SET SUBCONSULTAS Y OPERADORES SET SUBCONSULTAS Que empleado tiene un salario superior al de âKevinâ Subconbsulta Cual es el salario de âkevinâ…
The Relational Model Lecture Topics Overview of SQL Underlying relational model Relational database structure SQL DDL and DML Views Textbook Chapter 3 The Relational Model…
1. Praveen Srivatsa Director, AsthraSoft Consulting Microsoft Regional Director, Bangalore Session Code: 2. Why beyond relational? SQL support for non-relational data A large…
Relational Databases and SQL Learning Objectives Understand techniques to model complex accounting phenomena in an E-R diagram Develop E-R diagrams that model effective accounting…
Relational Algebra Maybe -- SQL Confused by Normal Forms ? 3NF BCNF 4NF If a database doesn’t violate 4NF (BCNF) then it doesn’t violate BCNF (3NF) ! Natural Join Notation:…
The Entity-Relationship Model Entity Sets Entity sets are translated to tables. CREATE TABLE Employees (ssn CHAR(11), name CHAR(20), lot INTEGER, PRIMARY KEY (ssn)); Employees…
Relational Algebra and SQL Prof. Sin-Min Lee Department of Computer Science San Jose State University ©Silberschatz, Korth and Sudarshan 3.* Database System Concepts Functional…
Relational Database Architecture Relational Database Architecture (Contiâ¦) SQL Server 2000 data is stored in databases. Physically, a DB consists of two or more files…
The Entity-Relationship Model Entity Sets Entity sets are translated to tables. CREATE TABLE Employees (ssn CHAR(11), name CHAR(20), lot INTEGER, PRIMARY KEY (ssn)); Employees…