Steps needed Getting Apache Spark running on windows involves:
Installing a JRE 8 (Java 1.8/OpenJDK 8) Downloading and extracting SPARK and setting SPARK_HOME Downloading winutils.exe and setting HADOOP_HOME If...
2019-08-29
8 reads
Steps needed Getting Apache Spark running on windows involves:
Installing a JRE 8 (Java 1.8/OpenJDK 8) Downloading and extracting SPARK and setting SPARK_HOME Downloading winutils.exe and setting HADOOP_HOME If...
2019-08-29
35 reads
This is the second post in a series about modern Data Lake Architecture
where I cover how we can build high quality data lakes using Delta Lake,
Databricks and...
2019-08-29
18 reads
This is the second post in a series about modern Data Lake Architecture
where I cover how we can build high quality data lakes using Delta Lake,
Databricks and...
2019-08-29
39 reads
This is the second post in a series about modern Data Lake Architecture
where I cover how we can build high quality data lakes using Delta Lake,
Databricks and...
2019-08-29
912 reads
As regular readers of this blog will know, I’m a big fan of AzCopy, especially now that it has a sync option to keep local data synchronized with blob...
2019-08-28
1,603 reads
Another post for me that is simple and hopefully serves as an example for people trying to get blogging as #SQLNewBloggers. I went to check a network protocol setting...
2019-09-16 (first published: 2019-08-28)
464 reads
Indexes can be incredibly beneficial to your database performance; however, they do come with a cost—indexes both consume storage space and affect insert performance. Therefore, it is important as...
2019-09-11 (first published: 2019-08-28)
2,802 reads
I recently had someone tell me, and I’m paraphrasing a bit here: We know how to fix this now, so ... Continue reading
2019-08-28
161 reads
Watch this week’s video on YouTube. Today I’m concluding my series on SQL Server execution plans by sharing the specific steps I take when troubleshooting a slow performing query....
2019-09-12 (first published: 2019-08-27)
1,827 reads
By Brian Kelley
I developed these rules a while back, before COVID. I had a period of...
By Steve Jones
Someone asked why I would use TRY_PARSE after I posted a question at SQL...
My mugI grew up surrounded by coffee farms in Guatemala and somehow spent most...
I have a table that ends in ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]. I'm about to...
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item Building Great Software
I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):
orderid orderdate customerid complete 3 2025-05-10 00:00:00.0002 1 21 2024-01-10 00:00:00.0003 1 15 2023-10-28 00:00:00.0004 1 13 2025-03-08 00:00:00.0006 1 11 2024-04-02 00:00:00.0007 1If I run this query, how many rows are returned?
SELECT * from dbo.OrderHeader where customerid between 3 and '6'See possible answers