All Questions
208
questions
-4
votes
0
answers
25
views
MS SQL - Detecting users with consecutive weeks [closed]
I need to detect consecutive weeks that a user appears within a table, with obviously no gaps in between weeks, I have the below solution which is based upon an answer here... https://stackoverflow....
- 193
1
vote
1
answer
25
views
Filter filtered bike prices twice without repeating yourself
dbfiddle
Goal
Without repetition in the code, I want to filter BikeValuationList to only give the BikePriceId of the latest ...
- 127
0
votes
0
answers
19
views
Calendar Table in Power BI
I've been reusing calendar tables in various formats for a few years now. I'd like to know best practices and if there are ways to improve them. Any suggestions for style, code, etc. are all welcome. ...
- 490
3
votes
2
answers
104
views
Calculate the count of top performers in SQL
I have a transaction table let's call it Offers Table. Please don't read too much into the business but let's say a customer wants to buy a car and the customer searches variety of websites but at the ...
- 31
2
votes
1
answer
71
views
Find All Recent Winners and Calculate an Encoding of What They Won
Context
I was proud of this code for a little while, but the repetition wounds me. I know that the function name sucks, but the name and interface to this function are not under my control. ...
- 127
2
votes
2
answers
86
views
Find All Recent Winners and Calculate an Encoding
Context
I was proud of this code for a little while, but the repetition wounds me. I know that the function name sucks, but the name and interface to this function are not under my control. ...
- 127
1
vote
1
answer
131
views
What is the percentage of customers who increase their closing balance by more than 5%?
The Question
What is the percentage of customers who increase their closing balance by more than 5%?
Source Code
The database and all details can be found here.
ERD
My Proposed Solution
...
- 113
0
votes
1
answer
116
views
Is there a more concise way to write this Procedure
I have this stored Procedure that is passed in the data below that will building the SQL select that will get EXEC. The data that can be passed in can me null so I have three ...
- 353
1
vote
1
answer
71
views
Is there a more concise way to write this query in SQL Server?
I'm playing with data from a Time Use survey as a beginner SQL user.
Gender is represented as 1's (Male) and 2's (Female), and the age of each participant is listed. I would like to divide them into ...
- 303
0
votes
1
answer
162
views
Count how many active and inactive users are in a group/unit/department/team
Given the following example data:
id
username
group
unit
department
team
status
1
user1
g1
u1
d1
t1
active
2
user2
g1
u1
d1
t2
active
3
user3
g1
u1
d1
t3
inactive
4
user4
g3
u6
d12
t30
active
5
...
- 421
-2
votes
1
answer
56
views
Optimizing a TRANSACT SQL statement [closed]
I'm in need to optimize the following TRANSACT SQL statement :
...
3
votes
0
answers
47
views
SQL query to pivot table into dynamically growing set of columns
I am working on SQL Server I have sample data like this in a table.
CustId
Bank
city
rating
date
rnk
1
Deutsche
Delhi
5
10/10/2022
1
1
BOA
Pune
6
10/10/2022
2
1
UBS
Mumbai
7
10/10/2022
3
1
SBI
...
- 31
0
votes
1
answer
58
views
Nested table in query
I have transaction tables called MaterialRequest and MaterialRequestDetails.
What I want to check my query and review that it's ...
0
votes
1
answer
51
views
Find dogs who stopped being good boys without ever being good boys - Was HAVING the wrong approach?
The problem I have solved is as follows:
Consider a table of dogs, DOGGIES, that records on each row the ID of a doggy, one ...
- 127
-2
votes
1
answer
52
views
T-SQL Query Performance [closed]
The query below already has indexes based its execution plan but it is still under performant with larger datasets. Are the additional null checks needed and why? Do you see anything that can be done ...
- 135