SQL SQL
How many?
Paytronix Facts
Data Oops
Weird But True
100

What does SQL stand for

Structured query language

100

How many US PROD DAGs do we have in Astronomer

66 DAGs!

100

What year was Paytronix Founded

2001


100

What retail giant once had a predictive analytics algorithm that told a teenager’s family she was pregnant—before she told them?

Target

100

True or False: “123456” has consistently ranked in the top 5 most common passwords for over a decade.

TRUE

200

What year did SQL first appear?

1973

200

How many active Fivetran connectors do we have?

109

200

What is the average lift in guest spending Paytronix claims for optimized targeted campaigns?

10–30%

200

What fast food chain lost millions due to a bug in its delivery promo system that doubled discounts instead of applying one?

DoorDash in 2019

200

Which country once tried to ban Excel charts in government reports after a major error?

The United Kingdom

300

What’s the difference between COUNT(column_name) and COUNT(*)?

COUNT(*) counts all rows (including NULLs!)

300

How many Nodes do we have in total in Coalesce

1117

300

How many transactions has Paytronix processed

Over 40 billion!

300

What U.S. state accidentally released every Social Security number of its residents in a 2006 database dump?

Texas

300

What is the real-world consequence of Amazon’s 1-click purchase button being patented for nearly 20 years?

Other e-commerce sites had to avoid implementing instant checkout

400

What will NULL + 5 return in SQL?

NULL

400

What warehouse has been the most expensive Year to date in Snowflake and for fun how much has it cost so far?

LOOKER_WH @ ~$48k

400

What are the busiest 2 days for Online Ordering

Super Bowl and Valentines Day

400

What fast food chain introduced a data-driven campaign that got canceled when AI started writing offensive tweets?

Burger King

400

What absurd “fix” did a U.S. city apply to prevent AI camera ticketing errors during winter?

Taped cardboard over all the sensors (to block snowflake-triggered tickets)

500

What’s inefficient about this Snowflake query:

SELECT * FROM huge_table WHERE TO_CHAR(created_at, 'YYYY-MM-DD') = '2024-01-01';


Applying a function to created_at column disables partition pruning → causes full scan

500

Without checking, what is our Snowflake US PROD account identifier?

WP45367

500

Which Px Merchant has the most accounts in Account_Summary

Jimmy John's with >47 million

500

What major airline’s meltdown in 2022 was caused in part by over-reliance on Excel and manual scheduling?

Southwest

500

What percent of enterprise data is estimated to be unused or “dark”?

80-90%

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