Oracle Database Tutorial
"A Beginner's Guide to Oracle Database Management"
Presented by : Rachit Joshi
Introduction to Oracle Database
Oracle Database is one of the most widely used relational database management systems (RDBMS) in the world.
Developed by Oracle Corporation, it helps organizations store, manage, retrieve, and protect large amounts of data efficiently.
It is commonly used in industries such as banking, healthcare, telecommunications, e-commerce, and education because of its reliability, scalability, and high level of security.
Features of Oracle
• High performance • Scalability • Data security • Backup and recovery
• Multi-user access
Oracle Architecture
• Instance
• Memory structures
• Background processes
• Physical and logical storage
Tables
Views
Indexes
Sequences
Triggers
Stored procedures
Database Objects
SQL Commands in Oracle
• DDL (CREATE, ALTER, DROP)
• DML (INSERT, UPDATE, DELETE)
• DCL (GRANT, REVOKE)
• TCL (COMMIT, ROLLBACK)
• VARCHAR2
CHAR
NUMBER
DATE
BLOB
CLOB
Data Types in Oracle
Advantages of Oracle Database
• Reliable and secure
• High availability
• Supports large databases
• Excellent performance
Real-World Applications
• Banking systems • Healthcare • E-commerce • Telecommunications • Government organizations
Conclusion
• Oracle Database is a powerful platform for modern applications.
• It provides scalability, security, and efficient data management.