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SQL Server Merge statement issues
I have 3 tables like this:
CREATE TABLE VersionsProjects
(
IdVersionProject INT IDENTITY(1,1) PRIMARY KEY,
Version INT
);
CREATE TABLE Parameters
(
IdParameter INT IDENTITY(1,1) PRIMARY ...
Beweelam
Votes: 0
Answers: 0
R - inserting aggregate results into a data.frame
To produce a cumulative plot using ggplot2 geom_stat(), I need a data.frame() that has the number of instances of various combinations of factors. I know how to produce the numbers using aggregate(),...

Bill Pearson
Votes: 0
Answers: 0
How does one, for an array of user items, merge the entries of consecutive user items where user name and an additional sole property name are equal?
Let say an array with inconsistent properties like the following :
[
{user: 'user1', comment: 'This is a comment',},
{user: 'user1', role: 'member'},
{user: 'user1', role: 'writer'},
{...
AlyaKra
Votes: 0
Answers: 3
Calculating a sum based on the date from another table
I have the following data frames:
A list of client invoices.
Client
NetTotal
Issued
A
1000
01/01/2021
A
2500
03/01/2021
B
1500
05/01/2021
B
2000
07/01/2021
A list of the same clients...

bevloy
Votes: 0
Answers: 1