Date and Time in SQL

SQL-də tarix filterləri, date range, aylıq grouping, date difference və SQLite strftime funksiyası ilə işləməyi öyrənin. ## Lesson objectives In this lesson, we will learn how to work with date and time values in SQL. In real data analysis, date columns are very important. Many business questions are related to time. For example: how many orders were created in January? what were the sales in the last 30 days? what is the sales amount by month? when was the latest order created? which payments are delayed? how many days are between order date and payment date? what is the latest purchase date for each customer? how does the monthly trend change?