2014-02-19
2,647 reads
T-SQL
2014-02-13
2,609 reads
2014-02-12
2,577 reads
2014-02-10
2,452 reads
The Performance of the T-SQL Window Functions
Window Functions in SQL greatly simplify a whole range of financial and statistical aggregations on sets of data. Because there is less SQL on the page, it is easy to assume that the performance is better too: but is it? Dwain gets out the test harness to investigate.
2014-02-06
5,354 reads
Sending a Variable Number of Elements in a Parameter
What are your options for sending a variable number of choices in a parameter to a stored procedure? Alex Grinberg looks at three techniques you can use.
2014-02-06
9,427 reads
Finding “Active” Rows for the Previous Month (SQL Spackle)
SQL Server MVP Jeff Moden walks us through the classic problem of finding all the "Active" rows for the previous month using start and end dates. This is excellent for those new to T-SQL.
2014-01-30
8,765 reads
Calculating Duration Using DATETIME Start and End Dates (SQL Spackle)
It's an old problem with a solution that's nearly as old. SQL Server MVP Jeff Moden shows us the old trick mixed with a slick trick to format the duration as extended hours, minutes, seconds, and milliseconds.
2015-04-03 (first published: 2014-01-16)
63,957 reads
2014-01-15
2,009 reads
2014-01-13
1,770 reads
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Forums
The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI
Comments posted to this topic are about the item The day-to-day pressures of a...
The Problem Isn't Always Your Query or Schema... Sometimes It's Hidden Assumptions
Comments posted to this topic are about the item The Problem Isn't Always Your...
Identity Defaults
Comments posted to this topic are about the item Identity Defaults
Question of the Day
Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers