Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...
CREATE TABLE Doctors ( doctor_id INT AUTO_INCREMENT PRIMARY KEY, doctor_name VARCHAR(100) NOT NULL, specialization VARCHAR(100), phone VARCHAR(15) ); CREATE TABLE Patients ( patient_id INT ...
Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...
Microsoft's continued focus on SQL Server 2025 highlights the lasting demand for on-premises and hybrid deployments that prioritize performance, control and flexibility for enterprise workloads. In ...
This month MySQL turns 30. Once the bedrock of web development, MySQL remains immensely popular. But as MySQL enters its fourth decade, it ironically has sown the seeds of its own decline, especially ...
1️) Scalar Subquery in SELECT: SELECT e.emp_id, e.emp_name, e.salary, (SELECT ROUND(AVG(salary), 2) FROM employees WHERE dept_id = e.dept_id) AS dept_avg_salary FROM employees e; 2️) Correlated ...
Abstract: The multi-way join query plays a fundamental role in many big data analytic scenarios. Recently, the hybrid join query is becoming increasingly important. However, the existing one-round and ...
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