Gennady Vanin Геннадий Ванин

Gennady Vanin Геннадий Ванин has asked 47 questions and find answers to 29 problems.

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Gennady Vanin Геннадий Ванин questions

Constraint is key is index is constraint?
Understanding locking behavior in SQL Server
What are locking issues in OLAP?
What is the purpose of "::" in T-SQL
Why to Apply AsEnumerable() Method to an Array?
Why cannot IObservable<T> be used without Reactive(Rx) extension for .NET?
“Relation” versus “relationship” in RDBMS/SQL?
Where are all those SQL Server sessions from?
Why isn't index likely to do much if it's DATETIME or DATETIME2 because they include the time portion?
What are the first issues to check while optimizing an existing database?

Gennady Vanin Геннадий Ванин answers

Why can I not reuse temp tables in T-SQL?
What is the overhead of an "synchronized" async method?
Securing a SQL Server 2008R2 database
Delete multiple duplicate rows in table
Is there an elegant way to track the modification of all columns of one table in SQL Server 2008
Stopwatch in a Task seems to be additive across all tasks, want to measure just task interval
Task.ContinueWith and TaskContinuationOptions.AttachedToParent
How to define DataContext in XAML using StaticResource
adding a new column in SQL SERVER but it is not showing up in access
Insert a trailing space into a SQL Server VARCHAR column