TSQL Challenge 48 - Parse and evaluate Arithmetic Expressions using TS
This challenge is to parse and evaluate arithmetic expressions using TSQL.
2011-01-24
2,300 reads
T-SQL Challenges
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
969 reads
TSQL Challenge 46 - Remove leading occurrences of the first character
This challenge is a slightly enhanced version of the ‘remove leading zeros’ problem
2010-12-27
1,734 reads
TSQL Challenge 45 - Evaluate mathematical expressions presented using
This challenge involves evaluating mathematical expressions presented using Roman Numerals and return the result of each expression.
2010-12-13
1,690 reads
TSQL Challenge 44 – Identify products that belong to each unique color
The first part of your job is to identify the unique color combinations of products and the second part is to identify the products that have the given color combination.
2010-11-29
1,373 reads
TSQL Challenge 43 – Identifying incomplete segments and missing elemen
This challenge involves writing a logic to identify incomplete segments and missing elements in an electronic data integration file exchanged between two applications.
2010-11-16
868 reads
TSQL Challenge 42 – Transform rows to columns with dynamic positioning
This challenge involves writing a logic to change the column position of values in the output based on the presence and absence of other values on each output row.
2010-11-01
2,862 reads
TSQL Challenge 41 - Extract email addresses from text data
This challenge involves extracting email addresses from a table that contains text data downloaded from various websites.
2010-10-18
2,266 reads
TSQL Challenge 40 - Convert string representation of numeric values fr
This challenge involves converting numeric values from binary format to hexadecimal format.
2010-10-04
1,662 reads
TSQL Challenge 39 - Calculate Gross Profit by Item using FIFO method
This challenge is related to an inventory management application where your job is to calculate the profitability by item (cost v/s sales) using First-In-First-Out (FIFO) processing method.
2010-09-20
2,159 reads
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RegEx Functions IV
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Question of the Day
RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers