Boost your SQL interview readiness with these 35 carefully selected SQL Interview Questions and Answers. Includes real-world ...
Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
SQL is the de facto query language used to interact with databases. Since SQL is declarative, users express the intended result of their query rather than the concrete procedural steps to produce the ...
insert into products values(2,'Realme Mobile',20000,30,'Delhi'); insert into products values(3,'Boat earpods',3000,50,'Delhi'); insert into products values(4,'Levono ...
Abstract: Private information retrieval from a single server is considered, utilizing the hardness of the decoding problem of random linear codes. Presented is a modified version of the first ...
Bullying is a form of aggressive, potentially violent behavior. Bullying can occur at school, online, in the workplace, or at home. It can also be grounded in prejudice. Bullying is an aggressive ...
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: We discuss some enhancements of approximate SQL extensions available in Infobright's database technology. We explain how these new enhancements can speed up execution of complex correlated ...