A curated set of MySQL practice questions covering DDL (database and table commands), DML (INSERT, UPDATE, DELETE, SELECT), ALTER TABLE, aggregate functions, and joins. Ideal for students preparing for board exams, interviews, or SQL certifications.
A complete reference to MySQL single-row functions including numeric functions (POWER, ROUND, TRUNCATE), string functions (LENGTH, CONCAT, SUBSTR, INSTR, TRIM), and date functions (CURDATE, NOW, MONTH, YEAR, DAYNAME). Ideal for SQL learners and developers writing data transformation queries.
Learn MySQL Transaction Control Language (TCL) commands — START TRANSACTION, COMMIT, ROLLBACK, SAVEPOINT, and SET AUTOCOMMIT — with real examples that demonstrate ACID properties and safe multi-step data operations. Essential for developers building reliable database-driven applications.
Learn how to integrate tRPC with Next.js App Router for fully type-safe, end-to-end APIs without code generation. Covers server setup, client configuration, Zod validation, and production best practices.
Next.js 15 ships opt-out caching, async request APIs, stable Turbopack, React 19 support, and Partial Prerendering. This guide covers every significant change with code examples and a migration checklist.