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ORACLE. Lecture 1: Oracle 10g Introduction & Installation. Overview. Introduction Installation Using SQL to Query Your Database Oracle SQL Developer. Scalability. One vendor. Reliability. Unified management. Single development model. Common skill sets. Oracle10 g. Oracle10 g.
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ORACLE Lecture 1: Oracle 10g Introduction & Installation
Overview • Introduction • Installation • Using SQL to Query Your Database • Oracle SQL Developer
Scalability Onevendor Reliability Unified management Single developmentmodel Commonskill sets Oracle10g
Oracle Database 10g Object relational data Documents Multimedia Messages
OracleApplication Server 10g Portals Transactional applications Business intelligence Integration Application development framework Application server
Oracle Enterprise Manager 10g Grid Control • Software provisioning • Application service level monitoring
Relational and Object RelationalDatabase Management Systems • Relational model and object relational model • User-defined data types and objects • Fully compatible with relational database • Support of multimedia and large objects • High-quality database server features
Oracle Internet Platform Clients Anybrowser Anymail client AnyFTP client Internet applications SQL Business logic and data Presentation and business logic Development tools System management PL/SQL Application servers Databases Java Network services
Strategy and analysis Design Build and document Transition Production System Development Life Cycle
Data Storage on Different Media Database Electronic spreadsheet Filing cabinet
Relational Database Concept • Dr. E. F. Codd proposed the relational model for database systems in 1970. • It is the basis for the relational database management system (RDBMS). • The relational model consists of the following: • Collection of objects or relations • Set of operators to act on the relations • Data integrity for accuracy and consistency
Oracle server Table name: DEPARTMENTS Table name: EMPLOYEES … … Definition of a Relational Database • A relational database is a collection of relations or two-dimensional tables.
Model ofsystemin client’smind Entity model ofclient’s model Table modelof entity model Oracle server Tables on disk Data Models
Relational Database Properties • A relational database: • Can be accessed and modified by executing structured query language (SQL) statements • Contains a collection of tables with no physical pointers • Uses a set of operators
Overview • Introduction • Installation • Using SQL to Query Your Database • Oracle SQL Developer
Overview • Introduction • Installation • Using SQL to Query Your Database • Oracle SQL Developer
Communicating with an RDBMSUsing SQL SQL statement is entered. Statement is sent to Oracle server. SELECT department_name FROM departments; Oracle server
Oracle’s Relational Database Management System Oracle server User tables Data dictionary
SELECT INSERT UPDATE DELETE MERGE CREATE ALTER DROP RENAME TRUNCATE COMMENT COMMIT ROLLBACK SAVEPOINT GRANT REVOKE SQL Statements Data manipulation language (DML) Data definition language (DDL) Transaction control Data control language (DCL)
Tables Used in the Course EMPLOYEES JOB_GRADES DEPARTMENTS
Overview • Introduction • Installation • Using SQL to Query Your Database • Oracle SQL Developer
What Is Oracle SQL Developer? • Oracle SQL Developer is a graphical tool that enhances productivity and simplifies database development tasks. • You can connect to any target Oracle database schema by using the standard Oracle database authentication. SQL Developer
Specifications of Oracle SQL Developer • Developed in Java • Supports Windows, Linux, and Mac OS X platforms • Default connectivity by using the JDBC Thin driver • Does not require an installer • Unzip the downloaded Oracle SQL Developer kit and double-click sqldeveloper.exe to start Oracle SQL Developer. • Connects to any Oracle Database, version 9.2.0.1 and later • Freely downloadable . • Needs JDK 1.5 installed on your system, which can be downloaded from the following link: • http://java.sun.com/javase/downloads/index_jdk5.jsp