SQLdose

Blog Post

Interview Query – 1

Somewhere on internet i found this question. Thought to share it with you all.
We have two tables,  school_students and Class_student.
 
 ...

2018-09-17 (first published: )

2,479 reads

Blog Post

Interview Query – 1

Somewhere on internet i found this question. Thought to share it with you all. We have two tables,  school_students and Class_student.                ...

2018-09-04

24 reads

Blog Post

Starting with MS SQL Server

In one of my previous blog (https://sqldose.wordpress.com/2015/10/20/a-basic-introduction-of-database-tables-and-sql/ ) I gave a basic introduction about what is A Database and what is...

2016-04-10

558 reads

Blog Post

Starting with MS SQL Server

In one of my previous blog (https://sqldose.wordpress.com/2015/10/20/a-basic-introduction-of-database-tables-and-sql/ ) I gave a basic introduction about what is A Database and what is SQL. Now let us start with basic of...

2016-04-10

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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