Gaps and Islands Across Date Ranges
Watch this week's video on YouTube
In a traditional gaps and islands problem, the goal is to identify groups of continuous data sequences (islands) and groups of data where the...
2019-03-12
19 reads
Bert Wagner
Gaps and Islands Across Date Ranges
Watch this week’s episode on YouTube.In a traditional gaps and islands problem, the goal is to identify groups of continuous...
2019-03-12
7,799 reads
Gaps and Islands Across Date Ranges
Watch this week's video on YouTube
In a traditional gaps and islands problem, the goal is to identify groups of continuous data sequences (islands) and groups of data where the...
2019-03-12
42 reads
COUNT, DISTINCT, and NULLs
Watch this week’s episode on YouTube.
One thing I see fairly often (and am occasionally guilty of myself) is using COUNT(DISTINCT)...
2019-03-05 (first published: 2019-02-19)
3,689 reads
Time Zones and Daylight Saving Time
Watch this week's video on YouTube
AT TIME ZONE is great because it makes it easy to perform daylight saving time and time zone conversions in our queries.
However, when using AT...
2019-03-05
44 reads
Time Zones and Daylight Saving Time
Watch this week's video on YouTube
AT TIME ZONE is great because it makes it easy to perform daylight saving time and time zone conversions in our queries.
However, when using AT...
2019-03-05
19 reads
Why make?
This post is a response to this month’s T-SQL Tuesday #111 prompt by Andy Leonard. T-SQL Tuesday is a way...
2019-03-01 (first published: 2019-02-12)
3,238 reads
Searching Complex JSON Data
Watch this week's video on YouTube
Computed column indexes make querying JSON data fast and efficient, especially when the schema of the JSON data is the same throughout a table.
It's...
2019-02-26
27 reads
Searching Complex JSON Data
Watch this week’s video on YouTubeComputed column indexes make querying JSON data fast and efficient, especially when the schema of...
2019-02-26
955 reads
Searching Complex JSON Data
Watch this week's video on YouTube
Computed column indexes make querying JSON data fast and efficient, especially when the schema of the JSON data is the same throughout a table.
It's...
2019-02-26
17 reads
Blogs
A New Word: Semaphorism
By Steve Jones
semaphorism – n. a conversational hint that you have something personal to say on...
SQL Server Linux Container Images Got Smaller: Image Size and Startup Time Across Cumulative Updates
This week I was at PASS Data Community Summit in Seattle, and I attended...
Using AI to Build Semantic Models, Ontologies, and Fabric Data Agents
By James Serra
(This is the third post in a three-part series on how AI is changing...
Forums
Pay for Performance
Comments posted to this topic are about the item Pay for Performance, which is...
Helping an English Student with R
Comments posted to this topic are about the item Helping an English Student with...
Adding Bits I
Comments posted to this topic are about the item Adding Bits I
Question of the Day
Adding Bits I
I have a table, dbo.bittest, where I am testing an application response. This has this structure:
CREATE TABLE [dbo].[BitTest] ( [insertdate] [datetime] NULL CONSTRAINT [DF__BitTest__insertd__300F11AC] DEFAULT (getdate()), [a] [bit] NULL ) ON [PRIMARY] GOMy application runs this code:
INSERT dbo.BitTest
(
insertdate,
a
)
VALUES
(DEFAULT, 'true')
GO
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