Being able to calculate the date of the coming Thursday may come really handy if your sales revenue follows a very strong weekday pattern as it enables you to use weekdays, rather than fixed dates, as a basis for making your weekly financial projections. How do I do this in practice? Vertica offers a very … Continue reading How do I find the next Monday/Tuesday/etc.. with SQL?
I saw your article the other day on getting the first date of the current week.. But what if I wanted to get the first date of the previous week? Or the first date of next week? As you've already guessed, the SQL syntax for getting the first day of the current week will require … Continue reading How do I find the first day of previous/next week with SQL?
Have you ever had to do weekly/monthly reporting based on SQL data retrieval? It would be pretty neat if you could get the start date of the current week/month dynamically, no? Well, there's a very straightforward way if you're using Vertica or PostgreSQL - just employ the date_trunc('period', timestamp) function. Other databases (e.g. SQL Server, MySQL) … Continue reading How do I find the first day of the current week with SQL?
It may sound overwhelming but it's actually quite simple, especially if you've already figured out how to: extract various time periods from a date get the end date of the current quarter calculate the number of days between two days As you'll see below - calculating the remaining days in current quarter is then nothing … Continue reading How do I calculate the remaining days until the end of a calendar quarter?
You might often need to do this if you're to aggregate daily data stretching over a longer time period and yet retain the timing The standard way forward is to use the date_part() function Below you can find its syntax within some of the most widely used database environments Curious for alternative approaches?