🔎 What is Oracle Database? – Everything You Need to Know
Oracle Database একটি object-relational database management system (ORDBMS), যা তৈরি করেছে Oracle Corporation. এটি বিশ্বের অন্যতম শক্তিশালী, স্কেলযোগ্য ও নিরাপদ ডেটাবেজ সিস্টেম হিসেবে পরিচিত।
💡 Key Features of Oracle Database:
- 🔐 High-level Security & Data Encryption
- ⚙️ Advanced Performance Tuning
- 🗃️ Supports Large Volumes of Data
- 🧠 Built-in AI, ML & Analytics Support
- ☁️ Cloud Integration with Oracle Cloud
📚 Common Use Cases of Oracle:
- ✔️ Banking & Financial Systems
- ✔️ Large Enterprise ERP & CRM Applications
- ✔️ Healthcare & Government Databases
- ✔️ Data Warehousing & Business Intelligence
🛠️ Basic SQL Example in Oracle:
SELECT employee_name, salary
FROM employees
WHERE department_id = 10;
এই কোয়েরিটি Oracle DBMS-এ employees টেবিল থেকে নির্দিষ্ট ডিপার্টমেন্টের এমপ্লয়িদের তথ্য দেখাবে।
🌐 Oracle Database Versions:
- Oracle 11g
- Oracle 12c (Cloud-ready)
- Oracle 18c / 19c
- Oracle 21c (Latest Features with AI & JSON support)
🎯 Why Learn Oracle?
- 💼 Oracle Certified Professionals are highly paid
- 🧠 Powerful for enterprise-level projects
- 🌍 Widely used in Fortune 500 companies
📘 Learning Resources:
Written by: Express Innova Tech | Stay tuned for more database tutorials.
