SQL उजळणी, मुलाखत आणि तुलना Cards (Ravi Sir's Cards, मराठी)

सोप्या मराठीत SQL cards: 16 उजळणी, 16 मुलाखत आणि 16 तुलना. प्रत्येक card स्वतंत्र. PNG save करा; QR पूर्ण lesson उघडतो.

English cards · SQL course

Chapters

• What Is SQL and Why Analysts Need It (3 cards)
• Install SQLite and DB Browser (Windows and Mac) (3 cards)
• SELECT Basics: Read Rows Without Changing Data (3 cards)
• WHERE: Keep Only the Rows You Need (3 cards)
• ORDER BY, DISTINCT and Top-N Results (3 cards)
• Analysts ना रोज भेटणारे SQL Data Types (3 cards)
• NULL Values: Missing Data Done Right (3 cards)
• CASE WHEN: If-Then Logic in SQL (3 cards)
• Analysts साठी Date आणि Time queries (3 cards)
• Analysts रोज वापरतात ती Text Functions (3 cards)
• Aggregate Functions: SUM, COUNT आणि AVG aggregates MIN MAX (3 cards)
• GROUP BY: One Row Per Group (3 cards)
• HAVING: Aggregate नंतर groups filter करा (3 cards)
• Tables join का होतात: Keys आणि Relationships (3 cards)
• INNER JOIN आणि LEFT JOIN (आधी लागणारे दोन joins) (3 cards)
• SQL for Excel Users (Term Map + Side-by-Side) (3 cards)