TSQL Challenge 56 - Create a Sierpinski carpet using TSQL
This challnge invites you to generate a Sierpinsky carpet using TSQL
2011-05-16
2,505 reads
Jacob Sebastian
TSQL Challenge 55 - Multiply two very long decimal strings and return
This challenge to multiply two positive integer strings and return their product. The strings can be really long: up to 1024 digits
2011-05-02
1,294 reads
TSQL Challenge 54 - Find the longest matching area code
Your job is to write a query that identifies the longest matching country/area code from each phone number based on the information stored in an area-code reference table.
2011-04-18
1,189 reads
TSQL Challenge 53 - Finding empty and non-empty intervals
A SQL Server instance is set up to log the session start time and end time into a table. Given this table, your job is to find all time intervals in which no one is logged in.
2011-04-04
1,525 reads
TSQL Challenge 52: Recursive Wage Calculation in a Parent-Child dimens
This challenge is intended to calculate company's wage spent below a top level manager.
2011-03-21
1,619 reads
TSQL Challenge 51 - Convert long Binary strings to Decimal strings
This challenge invites you to write a query that converts binary values into decimal format.
2011-03-07
6,697 reads
TSQL Challenge 50 - Extracting a specifical range from random data wit
The purpose of this challenge is to test your query writing skills with a limited set of TSQL keywords.
2011-02-21
1,701 reads
TSQL Challenge 49 - Identify overlapping time sheet entries of field t
Several technicians are sent to a customer premises to do a certain maintenance work. Your task is to process the activity log entered by each technician and identify overlaps.
2011-02-07
1,395 reads
TSQL Challenge 48 - Parse and evaluate Arithmetic Expressions using TS
This challenge is to parse and evaluate arithmetic expressions using TSQL.
2011-01-24
2,282 reads
TSQL Challenge 47 - Read the modification history and identify the fir
A table contains the list of modifications made to each card. Your job is to write a query that shows the first number, current number (most recent) and the number of changes made.
2011-01-10
946 reads
Blogs
March 2025 SQL Challenge: Test Your Skills with Advanced SQL Scenarios
If you’re an experienced SQL user eager to sharpen your expertise with real-world challenges,...
SQL Saturday Atlanta BI Recap
By DataOnWheels
https://sqlsaturday.com/2025-03-08-sqlsaturday1102/#schedule SQL Saturday Atlanta BI is one of my favorite SQL Saturdays of the...
Mistakes IT Shops Without a DBA Make
By Kevin3NF
We get it. There’s no budget for a DBA on staff, or even a...
Forums
Dynamic T-SQL Script Parameterization Using Python
Comments posted to this topic are about the item Dynamic T-SQL Script Parameterization Using...
SQL 2017 server keeps locking up
I manage a two-node production SQL cluster running SQL Server 2017 CU31 on Windows...
Alternatiives to Junk Dimensions
Hello SSC, I am not sure if I posted this in the right spot,...
Question of the Day
Partial Backups II
What is a partial backup for a read-write database?
See possible answers