Hello there! 👋 I'm Jin, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI SQL joins are a fundamental feature for combining data from multiple tables based on ...
More than seven years in the making, merged yesterday for PostgreSQL is a self-join elimination "SJE" feature as a performance optimization for some queries. Discussions over this feature began back ...
EXCLUSIVE: Jeffery Self (Search Party, The Horror of Dolores Roach) and Gabrielle Ryan (Power Book IV: Force, Bonding) have boarded Christopher Landon’s upcoming fast-paced thriller, Drop, from ...
JOIN customers c ON o.customer_id = c.customer_id JOIN products p ON o.product_id = p.product_id; ...
-- Part 4 — Employees hired within 90 days of each other -- Find pairs of employees in the same department hired within 90 days of each other (show each pair once, not twice): ...
Abstract: One of crucial problems for model transformation implementations is an efficient implementation of pattern matching. The paper addresses this problem for MOLA tool implementing the model ...