Here's my problem: different brands of clothing require differing information. What is the best practice for dealing with a problem like this?
Using JSON and PostgreSQL
I think you're making this harder than it needs to be and you'll get bitten with it later. You don't need Entity–attribute...
The following table captures student grade data over a number of exams.
CREATE TABLE grades
AS
SELECT name, exams, grade_poor, grade_fair, grade_good, grade_vgood
FROM ( VALUES
( 'arun' , 8 , 1 , 4 , 2 , 1 ),
( 'neha' , 10 , 3 , 2 , 1 , 4 ),
( 'ram' , 5 , 1 , 1 , 3 , 0 ),
...
Microsoft SQL Server is a relational database management system developed by Microsoft. As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).
Microsoft markets at least a dozen different editions of Microsoft SQL Server, aimed at different audiences and for workloads ranging from small single-machine applications to large Internet-facing applications with many concurrent users.
== History ==
The...
A surrogate key (or synthetic key, entity identifier, system-generated key, database sequence number, factless key, technical key, or arbitrary unique identifier) in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data, unlike a natural (or business) key which is derived from application data.
== Definition ==
There are at least two definitions of a surrogate:
Surrogate (1) – Hall, Owlett and Todd (1976)
A surrogate represents an entity in the outside world. The surrogate is interna...
17
GET occurs far more frequently than CREATE, so it makes sense to optimize for that.
IF EXISTS (SELECT * FROM MyTable WHERE Id=@Id)
SELECT Id, X, Y, Z FROM MyTable WHERE Id=@Id
ELSE
BEGIN
BEGIN TRAN
IF NOT EXISTS (SELECT * FROM MyTable WITH (HOLDLOCK, UPDLOCK) WHERE Id=@Id )
...
I am not sure what is the preferred style when talking about tables and their contents, so I hope what I type is fine. If not, I'll be more than happy to edit my question.
I have two tables (along with a nonclustered index) that can be created with the below commands:
CREATE TABLE GroupTable
(
...
Goodness knows is a derivation of God knows, so it is still 'religious' but not overtly so.
goodness knows
1. No one knows. (A variant of "God knows.") Goodness knows how long it will take for my application to be processed.
If you want to go aggressively secular, there is Fuck knows
...
As of a few minutes ago, if you have a gold tag-badge for a tag associated with a question that's been closed as a duplicate, you can edit the duplicate links to replace, add, remove or re-arrange them:
These changes are tracked in PostHistory to allow anyone to detect abuse, while the res...
The description of the "Too Broad" close reason has been changed. This is the new text:
Please edit the question to limit it to a specific problem with enough
detail to identify an adequate answer. Avoid asking multiple distinct
questions at once. See the How to Ask page for help clarifyi...
I would like the output to be the following:
GroupKey RecordCount GroupScore
-------------------------------------
1 3 9.8
192 4 7.1
Using correlated subqueries is one way to get the output you want.
In the instance when ...
