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Why are semaphores used?
In computer science, a semaphore is a protected variable or abstract data type which constitutes the classic method for restricting access to shared resources such as shared memory in a multiprogramming environment. Hence as a security feature it is largely used Kushal P. Bathija
What is concurrent schedule in dbms?
A concurrent schedule in DBMS refers to multiple transactions running concurrently without interfering with each other. This allows for improved performance and efficiency in handling multiple operations simultaneously. However, it requires careful management to ensure data consistency and avoid conflicts such as race conditions.
What is View Serializable in DBMS?
View Serializable is a correctness criterion in database management systems that ensures that the final result of executing concurrent transactions is the same as if they were executed one after the other. This property helps maintain data consistency and ensures that the database remains in a consistent state despite concurrent transaction execution. Transactions are said to be view serializable if their interleaved execution produces the same results as if they were executed sequentially.
How database provide informatiom to multiple users?
Databases allow multiple users to access information simultaneously through features such as user permissions and concurrent access control. Each user is granted specific levels of access to the data, ensuring data integrity and security while allowing for collaboration and sharing of information. Additionally, databases can handle multiple queries and transactions at the same time, allowing various users to interact with the data concurrently.
What is the scientific name of pesticide?
If you know the name a search on the web will tell you the active ingredient. That's hard to answer without knowing which one you are referring to. There are many different active ingredients currently in use.Pesticides may also be broken down into many different categories:Algicides or algaecides for the control of algaeAvicides for the control of birdsBactericides for the control of bacteriaFungicides for the control of fungi and oomycetes is a very badHerbicides (e.g. glyphosate) for the control of weedsInsecticides (e.g. organochlorines, organophosphates, carbamates, and pyrethroids) for the control of insects - these can be ovicides (substances that kill eggs), larvicides (substances that kill larvae) or adulticides (substances that kill adults)Miticides or acaricides for the control of mitesMolluscicides for the control of slugs and snailsNematicides for the control of nematodesRodenticides for the control of rodentsVirucides for the control of viruses
What are types of control in business organization?
· Feedback control · Concurrent control · Feedforward control
Which type of control takes place while plans are being carried out?
concurrent control
Importance and limitations of concurrent control?
how can i as you n then you tel me to aswer it? think
Is the government control over immigration an inherent or concurrent power?
Inherent
What is control techniques?
several problems can occur when concurrent transaction execute in an uncontrolled manner.
What is concurrent possession?
It means that - while you may not actually have it on your possession - you are near enough to it to have it in your control, or under your control - just as if you actually had it on you.
Which kind of control takes place after the actual work has been carried out?
Feedforward.
What is disadvantages of concurrency control?
Disadvantage of concurrent control: Since concurrent control uses a series of checks throughout the process/project chain, clarity about the standards required at each control point is essential. This requires a thorough and detailed understanding of the specific tasks involved and their relationship to the desired end product/project outcomes.
What powers are shared by the federal and the state governments?
concurrent
What is concurrency control techniques?
several problems can occur when concurrent transaction execute in an uncontrolled manner.
What is the disadvantage of concurrent control?
Disadvantage of concurrent control: Since concurrent control uses a series of checks throughout the process/project chain, clarity about the standards required at each control point is essential. This requires a thorough and detailed understanding of the specific tasks involved and their relationship to the desired end product/project outcomes.
What is an example of positive reaction to concurrent control?
An example of a positive reaction to concurrent control is when a manager identifies an issue during a project and addresses it immediately to prevent it from escalating and causing delays or cost overruns. By taking quick action and implementing control measures, the manager ensures that the project stays on track and meets its objectives.
