IDE extension that lets you fix coding issues before they exist!
Setup is effortless and analysis is automatic for most languages
Fast, accurate analysis; enterprise scalability
SQL queries that use EXISTS subqueries are inefficient because the subquery is re-run for every row in the outer query’s table. There are more efficient ways to write most queries, ways that do not use the EXISTS condition.
EXISTS
SELECT name FROM employee WHERE EXISTS (SELECT * FROM department WHERE department_id = id AND name = 'Marketing');
