Oracle SQL SELECT: More Features বাংলা টিউটোরিয়াল | Part 2

Oracle SQL SELECT Statement-এর আরও গুরুত্বপূর্ণ Feature শিখুন সহজ বাংলা ব্যাখ্যা ও Oracle Sample HR Schema-এর Practical SQL Examples-এর মাধ্যমে। 📘 এই ভিডিওতে যা শিখবেন: ✔ Arithmetic Expressions in SELECT ✔ Arithmetic Expressions-এ NULL Values এবং NVL() ✔ Column Aliases ✔ Concatenation Operator (||) ✔ Literal Character Strings ✔ Alternative Quote Operator (Q-Quoting) ✔ DISTINCT Keyword ✔ DESCRIBE / DESC Command ⏱ Chapters: 0:00 Intro 0:10 Arithmetic Expressions 1:22 NULL Values in Arithmetic Expressions 2:55 Column Aliases 4:01 Concatenation Operator 5:28 Literal Character Strings 6:30 Alternative Quote Operator (Q-Quoting) 7:35 DISTINCT Keyword 8:30 DESCRIBE Command 9:20 Recap & Outro 💻 Sample SQL: SELECT first_name, salary, salary * 12 AS annual_salary FROM employees; SELECT first_name, salary * NVL(commission_pct, 0) AS commission_amount FROM employees; SELECT first_name || ' ' || last_name AS full_name FROM employees; SELECT DISTINCT department_id FROM employees; DESC employees; 📌 Examples use the Oracle Sample HR Schema. Table access and available sample data may vary by Oracle environment. আপনার শেখার যাত্রায় সঙ্গে থাকুন। Oracle SQL, PL/SQL এবং Oracle APEX-এর আরও বাংলা Tutorial পেতে Oracle APEX Studio Subscribe করুন। 💬 প্রশ্ন বা মতামত কমেন্টে জানান। #OracleSQL #SQLBangla #OracleDatabase #OracleAPEX