SQL Server 2016 : Availability Group Enhancements
Aaron Bertrand reveals details about the changes to Availability Groups that will ship in the next major version: SQL Server 2016.
Comparison of SQL Server Serializable and Snapshot isolation levels
Both Serializable and Snapshot isolation levels exclude concurrency issues such as Dirty Reads, Non-repeatable Reads and Phantoms. However the way in which they deal with such issues is quite different. In this article, Sergey Gigoyan explains the main differences between the two.
SQL Family Feud Survey - Technical questions
The first 100 people get to decide the data set. Give us the first thing you think of.
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Declarative SQL: Using References
There are several ingenious ways of using SQL References to enforce integrity declaratively. Declarative Referential Integrity (DRI) is more effective than using procedural code in triggers, procedures or application layers because it uses the SQL paradigm, thereby making optimisation easier and providing clearer expression of the rules underlying the data. Joe Celko explains.
Top 10 MySQL Reporting Tools
Both management and various departments rely on data reports to help guide their business decisions. Rob Gravelle presents ten open source and commercial report generation tools for MySQL and other relational databases.
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BIT_COUNT II
Comments posted to this topic are about the item BIT_COUNT II
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 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers