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What is the difference between a stored procedure and a view?
...ing from those tables A LOT... instead of doing the join in EVERY piece of SQL, I would define a view like:
CREATE VIEW vw_user_profile
AS
SELECT A.user_id, B.profile_description
FROM tbl_user A LEFT JOIN tbl_profile B ON A.user_id = b.user_id
GO
Thus, if I want to query profile_description b...
OR is not supported with CASE Statement in SQL Server
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This really stinks- t-sql can't handle an "or" in a case statement. Come on Microsoft time to grow up from the toy database status.
– Rich Bianco
Jan 11 '18 at 17:46
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How to format a java.sql Timestamp for displaying?
How do I formate a java.sql Timestamp to my liking ? ( to a string, for display purposes)
7 Answers
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SQL RANK() versus ROW_NUMBER()
I'm confused about the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
...不太便捷，且各种限制。
如今我们又身处AI浪潮之中，包括很多学校在内的国内用户都有AI结合传统的App来开发具有智能App的需求，因此，必须开发拓展以接入国内大模型，对，它专门接国内大模型的，国外的不接。
拓展接口...
How to update Identity Column in SQL Server?
I have SQL Server database and I want to change the identity column because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
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Best way to get identity of inserted row?
... known bug with SCOPE_IDENTITY() returning the wrong values: blog.sqlauthority.com/2009/03/24/… the work around is to not run the INSERT in a Multi Processor Parallel Plan or use the OUTPUT clause
– KM.
Jan 28 '10 at 14:59
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How to drop SQL default constraint without knowing its name?
In Microsoft SQL Server, I know the query to check if a default constraint exists for a column and drop a default constraint is:
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Generate random int value from 3 to 6
Is it possible in Microsoft SQL Server generate random int value from Min to Max (3-9 example, 15-99 e.t.c)
10 Answers
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Get records with max value for each group of grouped SQL results
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There's a super-simple way to do this in mysql:
select *
from (select * from mytable order by `Group`, age desc, Person) x
group by `Group`
This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first r...