TSQL Challenge 48 - Parse and evaluate Arithmetic Expressions using TS
This challenge is to parse and evaluate arithmetic expressions using TSQL.
2011-01-24
2,299 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
967 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
1,732 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
1,687 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
1,370 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
864 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
2,859 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
2,264 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
1,658 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
2,154 reads
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Forums
Implementing Type 4 Slowly Changing Dimensions in SQL Server
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The Disabled Index
Comments posted to this topic are about the item The Disabled Index
Server-Level Table sizes
Comments posted to this topic are about the item Server-Level Table sizes
Question of the Day
The Disabled Index
I run this code on SQL Server 2022.
CREATE TABLE Drink
(
drinkid INT NOT NULL
CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
drinkname VARCHAR(20),
rating NUMERIC(2, 1)
)
GO
INSERT INTO Drink
(
drinkid,
drinkname,
rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result? See possible answers