Learn how a single JavaScript Date() timezone mistake silently corrupts web apps and how to fix timestamp bugs in JS, Python, cron jobs, MySQL, and React SSR.

-- MySQL functions -- Numeric functions -- String functions -- Date functions -- Comparison functions -- Control flow functions -- There are two types of numeric functions in MySQL: aggregate and ...

Wrapper / library for mysql, including sql query formatting, functions for safe operation that exit if unexpected failure, and functions to access results of queries by named field rather than row[n].

Window functions are a new feature in MySQL 8. Window functions are not as simple as the other built-in MySQL functions. While most functions operate only on the data pertaining to a single row of ...

For example lets create a stored procedure to increment salaries of employees by percentage DELIMITER $$ CREATE PROCEDURE salary_increment(increment_percent decimal(5,2)) BEGIN UPDATE employee_master ...