Plurrrr

What’s Faster? COUNT(*) or COUNT(1)?

One of the biggest and undead myths in SQL is that COUNT(*) is faster than COUNT(1). Or was it that COUNT(1) is faster than COUNT(*)? Impossible to remember, because there’s really no reason at all why one should be faster than the other. But is the myth justified?

Let’s measure!

Source: What’s Faster? COUNT(*) or COUNT(1)?.

• postgres

Learn CSS by Playing Games

In the evening I played 3 games to practice my CSS:

• Grid Garden - write CSS code to grow your carrot garden!
• Flexbox Froggy - help Froggy and friends by writing CSS code!
• CSS Diner - Where we feast on CSS selectors.

Have fun!

• css
• game