A detailed exploration of SQL tricky interview questions for Day 1, covering everything from Common Table Expressions to ACID properties and date manipulations
SQL queries
Uncover the detailed steps to count NULL and NOT NULL values in a SQL column accurately. This guide covers structured examples to facilitate easier understanding for database enthusiasts.
Understand the essential techniques of interacting with databases using PHP, including SQL queries, PHP Data Objects (PDO), and connecting to databases. This guide will equip you for discussing and demonstrating your database proficiency in interviews.
Explore the essential principles of databases, SQL, and relational models in our comprehensive guide. Designed to prepare candidates for database-related interviews, this article covers database types, SQL queries, joins, indexing, normalization, and more.