The Art of PostgreSQL/

...

/

Solution Review: Generate Specific Numbers

Solution Review: Generate Specific Numbers

See a detailed analysis of the solution to the "Generate Specific Numbers" challenge.

We'll cover the following...

Task 1

You were asked to write a query to print the days along with the dates for the first week of the year 2023.

Solution

The solution for the task is given below. Click the “Run” button in the following widget to see the output of the code.

Press + to interact
/********************************************************/
/*****    Write a query to print the days along     *****/
/*****      with the dates for the first week       *****/
/*****             of the year 2023.                *****/
/********************************************************/
select To_Char(dt, 'Day') as day, dt as date
  from generate_series (0, 6) as t(x), 
       date(date '2023-01-01' + x) as dt;
/********************************************************/

Explanation

Following is the explanation of Task 1 of the challenge:

  • Line
...