TSQL Challenge 48 - Parse and evaluate Arithmetic Expressions using TS
This challenge is to parse and evaluate arithmetic expressions using TSQL.
2011-01-24
2,283 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
947 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
1,714 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
1,673 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
1,351 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
850 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
2,827 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
2,250 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
1,641 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
2,122 reads
Blogs
Query multiple Azure SQL Databases
I was sick of changing context in Azure Data Studio while cleaning up things...
KDA: Echoes of Deception - Case 3
By Zikato
The crime spree in Digitown is not ending. This time 20 cars have been...
The Book of Redgate: Do Your Best Work
By Steve Jones
One of our mission statements in the Book of Redgate says: attempt to do...
Forums
Shining a Light on Shadow AI - Responsible Data Protection When AI is Everywhere
Comments posted to this topic are about the item Shining a Light on Shadow...
CAST(VARCHAR(n)) resolved performance issue?
Hi, I would love to hear if anyone can tell me why a CAST...
isnull, coalesce overhead
hi, one of our sister division's erp extract view is going thru at least...
Question of the Day
The Internals of Writing a Page
In SQL Server, when the buffer manager write pages to disk, page protection is added to the pages. There are two types of protection: torn page protection and checksum page protection. What happens with regards to concurrency with page protection during writes?
See possible answers