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Does MS SQL Server's “between” include the range boundaries?
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@craig, that's true, as long as you are using SQL 2008 or higher, which is when the Date datatype was introduced. Also, that syntax will convert that value for every single row, so won't be able to use any indexes on that field (if that is a concern).
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Unable to begin a distributed transaction
I'm trying to run SQL against a linked server, but I get the errors below :
9 Answers
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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...头说过的吗，要把文章变为数字计算才能提高相似度计算性能，现在是降维过程进行时。
3、加权，通过 2步骤的hash生成结果，需要按照单词的权重形成加权数字串，比如“美国”的hash值为“100101”，通过加权计算为“4 -4 -4...
Is there any difference between GROUP BY and DISTINCT
I learned something simple about SQL the other day:
26 Answers
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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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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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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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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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