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Squeezing the DBA

What do you do as a DBA if you get asked to cook the books? With the economy doing poorly, some executives will be tempted to mis-report earnings and they might ask the technical people to help. Steve Jones has a few thoughts.

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Big Data Basics - Introduction to HDFS

One of the core components of the Hadoop framework and responsible for the storage aspect is HDFS. Unlike the usual storage available on our computers, HDFS is a Distributed File System and parts of a single large file can be stored on different nodes across the cluster. Here are some of the key concepts related to HDFS.

External Article

Seven SQL Server Under-Used Utilities

There are many useful command-line applications that are either associated with, or are distributed with, SQL Server. They all have their uses and several become important as part of script-based automation of tasks. It is definitely worth knowing what is lurking in your tools\binn directory.

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

See possible answers