LeetCode 1853. Convert Date Format

Description

https://leetcode.com/problems/convert-date-format/

SQL Schema

Table: Days

+-------------+------+
| Column Name | Type |
+-------------+------+
| day         | date |
+-------------+------+
day is the primary key for this table.

Write an SQL query to convert each date in Days into a string formatted as "day_name, month_name day, year".

Return the result table in any order.

The query result format is in the following example:

Days table:
+------------+
| day        |
+------------+
| 2022-04-12 |
| 2021-08-09 |
| 2020-06-26 |
+------------+

Result table:
+-------------------------+
| day                     |
+-------------------------+
| Tuesday, April 12, 2022 |
| Monday, August 9, 2021  |
| Friday, June 26, 2020   |
+-------------------------+
Please note that the output is case-sensitive.

Explanation

Use DATE_FORMAT and find with right date format symbols.

Format  Description
%a  Abbreviated weekday name (Sun to Sat)
%b  Abbreviated month name (Jan to Dec)
%c  Numeric month name (0 to 12)
%D  Day of the month as a numeric value, followed by suffix (1st, 2nd, 3rd, ...)
%d  Day of the month as a numeric value (01 to 31)
%e  Day of the month as a numeric value (0 to 31)
%f  Microseconds (000000 to 999999)
%H  Hour (00 to 23)
%h  Hour (00 to 12)
%I  Hour (00 to 12)
%i  Minutes (00 to 59)
%j  Day of the year (001 to 366)
%k  Hour (0 to 23)
%l  Hour (1 to 12)
%M  Month name in full (January to December)
%m  Month name as a numeric value (00 to 12)
%p  AM or PM
%r  Time in 12 hour AM or PM format (hh:mm:ss AM/PM)
%S  Seconds (00 to 59)
%s  Seconds (00 to 59)
%T  Time in 24 hour format (hh:mm:ss)
%U  Week where Sunday is the first day of the week (00 to 53)
%u  Week where Monday is the first day of the week (00 to 53)
%V  Week where Sunday is the first day of the week (01 to 53). Used with %X
%v  Week where Monday is the first day of the week (01 to 53). Used with %X
%W  Weekday name in full (Sunday to Saturday)
%w  Day of the week where Sunday=0 and Saturday=6
%X  Year for the week where Sunday is the first day of the week. Used with %V
%x  Year for the week where Monday is the first day of the week. Used with %V
%Y  Year as a numeric, 4-digit value
%y  Year as a numeric, 2-digit value

SQL Solution

# Write your MySQL query statement below
SELECT DATE_FORMAT(`day`,'%W, %M %e, %Y') as day FROM Days