TSQL Challenge 58 - Playing Chess in TSQL – Part 1
Your job is to read the input string and generate a result set that represents the position of pieces in a chess board.
2011-06-13
1,769 reads
T-SQL Challenges
TSQL Challenge 57 - Identify rows that match the rollup trade data
Your job is to scan the trades data and identify combination of trades that match a given rollup data.
2011-05-30
902 reads
TSQL Challenge 56 - Create a Sierpinski carpet using TSQL
This challnge invites you to generate a Sierpinsky carpet using TSQL
2011-05-16
2,524 reads
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
1,313 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
1,207 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
1,543 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
1,647 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
6,708 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
1,713 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
1,408 reads
Blogs
T-SQL Tuesday #201 Round-Up: Temp Tables, Friend or Foe?
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The T-SQL Tuesday #201 round-up: nine bloggers on whether temp tables are a friend...
Monday Monitor Tips: Configuring Access to the MCP Server
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I deployed a schema change to 30 servers using multi-server query and deploy-at-low-priority. Small...
Forums
Admin Rights for Everyone
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Kerberos Authentication for Aurora PostgreSQL: Mapping AD Groups to Database Roles
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RegEx Functions I
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Question of the Day
RegEx Functions I
Which of these RegEx functions need compatibility level 170 in SQL Server 2025?
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