Overview
database knowledge must be strong in query optimization, indexing, transactions, locking mechanisms, partitioning, and database system design. ➊ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐅𝐮𝐧𝐝𝐚𝐦𝐞𝐧𝐭𝐚𝐥𝐬 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 Understand how databases work, their components, and architecture. ↳ Database types (Relational, NoSQL) ↳ ACID properties & CAP theorem ↳ DBMS vs. RDBMS vs. NoSQL ↳ Database Storage Engines (InnoDB vs. MyISAM) ↳ Database Architecture (Single-tier, Two-tier, Three-tier) ➋ 𝐈𝐧𝐝𝐞𝐱𝐢𝐧𝐠 & 𝐐𝐮𝐞𝐫𝐲 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 Improve query performance with indexing & optimization techniques. ↳ Types of Indexes (Clustered, Non-clustered, Composite, Unique, Full-text, Bitmap) ↳ How Indexing Works (B-Trees, Hash Indexing, etc.) ↳ Indexing Best Practices & When NOT to Use Indexes ↳ Query Execution Plan (EXPLAIN ANALYZE) ↳ Optimizing Joins, Sorting, and Aggregations ➌ 𝐓𝐫𝐚𝐧𝐬𝐚𝐜𝐭𝐢𝐨𝐧𝐬 & 𝐂𝐨𝐧𝐜𝐮𝐫𝐫𝐞𝐧𝐜𝐲 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 Ensure consisten...