A deadlock occurs when there is a circular chain of threads or processes which each hold a locked resource and are trying to lock a resource held by the next element in the chain. For example, two threads that hold respectively lock A and lock B, and are both trying to acquire the oth...
In concurrent computing, a deadlock is a state in which each member of a group of actions, is waiting for some other member to release a lock A livelock is similar to a deadlock, except that the states of the processes involved in the livelock constantly change with regard to one another...
What is "with (nolock)" in SQL Server? Can someone explain the implications of usingwith (nolock)on queries, when you should/shouldn't use it? For example, if you have a banking application with high transaction rates and a lot of data in certain tables, in what types of queries woul...
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What is the function of examples listed in paragraph 1 A.When you run your hands through your lover"s hair, you"re probably not thinking about your place in the social hierarchy.B.It tells us grooming is a kind of social activity and what is going to explain in the upcoming paragraphs....
So, in the following sections, we will try to understand, basically, what a deadlock is and how it occurs with a practical example in T-SQL. Then we will see that SQL Server actually has some tools to help detect their occurrences and get everything we need to find and fix it, altho...
With thelockstatement, we gain precise control over the scope of the lock. A field for locking,_lockObjectin our example, can be any field accessible from involved threads, but it must be a reference type. The reason is thatC#does automatic boxing of value types when we pass them to the...
Explain various functions of operating system?2.What are Schedulers? Explain in brief the various levels of schedulers.3.What is Real Time Operating System? Explain Soft & Hard RTOS?UNIT–II4Explain the following dynamic memory allocation algorithm with anexample of each: (i) First fir(ii) ...
"Parameter is not valid" - new Bitmap() "Recursive write lock acquisitions not allowed in this mode.? "Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing music library through wmp.dll "The left-hand side of an assig...
Can someone explain the implications of usingwith (nolock)on queries, when you should/shouldn't use it? For example, if you have a banking application with high transaction rates and a lot of data in certain tables, in what types of queries would nolock be okay? Are there cases when yo...