A major goal of the database system is to minimize the number of block transfers between the disk and memory. This is achieved by a. Buffer b. Catalog c. Storage d. Secondary storage
Q: Create a use case diagram for the following system: A video store (AVS) runs a series of faily…
A: The use cases are described following steps
Q: What is the pivot? Ex: 9 What is the low partition? Ex: 1, 2, 3 (comma between values) What is the…
A: We are giving only the answers in the blank spaces instead of the full code as it is not asked
Q: Conduct a research on Relocateble Partitions, your report must address the following: What are…
A: In a relocatable dynamic partition, the operating system's memory manager relocates the application,…
Q: However, it is not necessarily true that computer databases are the same as flat files and…
A: A flat file is a collection of data stored in a two-dimensional database in which similar yet…
Q: h flat files and folders are sometimes confused with computer databases, this is not necessarily the…
A: The term "flat file" is commonly wont to discuss with flat-file size, it can seek advice from…
Q: QUESTION 4 In a transparent Distributed File System, the range of the naming mapping is an address…
A: Question 4: We know that within a conventional file system, the range of the naming mapping is an…
Q: Which of the following are optimized for vertical partitioning? A. Column-based databases B.…
A: Partitioning in database is a process in which data is split into various parts in order to enhance…
Q: For a transaction to be durable, its changes need to be written to ________ storage. a. Volatile…
A: Task :- Choose the correct option for given question.
Q: Discuss the advantages and disadvantages of the following types of file storage systems: 2.2.1…
A: The biggest drawback of sequential access is that it's very slow. You will see sequential access…
Q: Briefly explain what it means to say that a file system is transactional or log-based.
A: Processing of Transactions: Data may be lost due to a device failure. When a device crashes, data…
Q: Large collections of files are called a. fields b. records c. databases d. file system
A: Answer to the above question of largest collection of file is given in step2.
Q: In a database please help with the following: Explain the access speed required, and how your…
A: The difference between access and port speed: Access controls equal download speeds. It's the…
Q: 3. a) Assume that you have a file size 50 and you were asked to map the fowling keys to the file…
A:
Q: The purpose of this project is to design and implement a distributed storage system. The system's…
A: The answer as given below:
Q: You are given a file called “std” and composed of “Number, Name, Address” fields/attributes. (You…
A: Solution Install, recover, remove and print information from a filename pseudo code. Pseudo code.…
Q: The file organization which allows us to read records that would satisfy the join condition by using…
A: The file organization which allows us to read records that would satisfy the join condition by using…
Q: Question: Answer the following questions related to database storage mechanism. a) Describe the…
A: INTRODUCTION: In the hierarchy of computer storage, a solid-state drive is a solid-state storage…
Q: ADO.NET may be used in VB.NET to get data from a database, therefore provide an example of it.
A: ADO.NET: Accessing data from Microsoft is made possible via the use of a technology known as…
Q: A database must store an employee table consisting of 100000records each of which is 80bytes long.…
A: There are 500 million records in the database.The average size of a record is 400 bytes.Add the…
Q: Consider the General Hardware Corp. relational database. Using the informal relational command…
A: a). List the product name and unit price of all of the products. Query: select…
Q: . In the allocation of file blocks on disk, the clusters are also called a. indexes b. file segments…
A: In computer file systems, a cluster is a unit of disk space allocation for files and directories.
Q: The number of discs in a single RAID 5 array can be specified by a database administrator. What are…
A: Introduction: In comparison to a single disc, a conventional RAID configuration provides larger,…
Q: _____ states that only valid data will be written to the database.
A: Consistency states that only valid data will be written to the database. correct answer is a.…
Q: 25. A logical schema a. is the entire database b. is a standard way of organizing information into…
A: Dear Student, A logical schema is the entire database design which is not implemented you can think…
Q: n the service provided by the Operating System, explain what is meant by the statement “controlled…
A: Given In the service provided by the Operating System, explain what is meant by the statement…
Q: If the state of the database no longer real state of the world that the database is supposed to…
A: In this problem, we are going to discuss about the database state in the given scenario.
Q: You are given a file called “std" and composed of “Number, Name, Address" fields/attributes. (You…
A: Solution: The file called std contains the Name, Number and address and the algorithm below…
Q: A database administrator may specify the number of disks to be included in a RAID 5 array. In terms…
A: Introduction: RAID Level 5 combines block-level striping with the drive-parity distribution. It is…
Q: Explain what must be done when fully replicating a database but allowing only onecomputer to process…
A: A replicated database is one during which some or all of the databases are stored on…
Q: A database administrator can choose how many disks are organized into a single RAID 5 array. What…
A: RAID is defined as the array of independent disk that are redundant .It is the virtualized data…
Q: 5a) A contiguous section of disk storage space is called a(n): A) track. B) sector. C) extent. D)…
A: 5a) A contiguous section of disk storage space is called a(n): C) extent. 5b) A method to allow…
Q: Database systems are exposed to many attacks, including dictionary attack, show with implantation…
A: We need to answer - Database systems are exposed to many attacks, including dictionary attack, show…
Q: a) Assume that you have a file size 50 and you were asked to map the fowling keys to the file using…
A: We can perform a sequential search to discover the empty location if a value has been stored in a…
Q: In ____________, all database objects are backed up in their entirety
A: The Answer :
Q: Passwords enable users to– a) get into the system quickly b) make efficient use of time c) retain…
A: A password is a secret word or phrase that must be used to gain admission to a place.
Q: The ___________ policy, allows the system to write modified blocks to disk even if the transactions…
A: The ___________ policy, allows the system to write modified blocks to disk even if the transactions…
Q: The current copy of the database is identified by a pointer, called ____________ which is stored on…
A: Any page which is not updated by a transaction is not copied, but instead the new page table just…
Q: Suppose that one block in a disk can store either 8 records or 16 key pointers. If a database…
A: Answer:
Q: how a query might be broken apart so that each parallel processor handles a subset of the query
A: Parallel execution: Parallel execution means multiple processes work together simultaneously to run…
Q: f you want your database to include methods, you should use a _____ database. a. Network b.…
A: In the network database, different volumes of records are linked to multiple owner files. In the…
Q: List two benefits and two drawbacks of each of the following storage techniques for a relational…
A: Introduction the question is about List two benefits and two drawbacks of each of the following…
Q: 7a) A file organization where files are not stored in any particular order is considered a: A)…
A: 7A) Heap File Organization 7B) Multivalued index 7C) Hashing Algorithm
Q: What are the advantages and limitations of different storage mechanisms for objects? How can an…
A: Block Storage: In this storage data is considered as a sequence of blocks. Each volume of storage…
Q: Consider that you are a Manager in a logistics company, who is managing all the folders regrading…
A: Code:-
Q: The database administrator may specify the number of disks in a single RAID 5 array. What are the…
A: RAID Level 5 combines block-level striping with a distributed parity among the drives. It is the…
Q: Create an Access Matrix for the following scenario based on the Protection Mechanism in an Operating…
A:
Q: Data coherence problem and starvation cause a lot of havoc in computer systems. As an Operating…
A: Distinguish between data coherence problem and starvation
| 189. | A major goal of the |
| a. | Buffer |
| b. | Catalog |
| c. | Storage |
| d. | Secondary storage |
Step by step
Solved in 2 steps
- A database administrator may specify the number of disks that go into a single RAID 5 array. What are the cost, lifespan, performance after failure, and performance during rebuilding trade-offs of having fewer disks vs. having more disks?99. Each modification done in database transaction are first recorded into the a. Harddrive b. Log c. Disk d. Datamart149. The primary medium for the long-term online storage of data is the __________ where the entire database is stored on magnetic disk. a. Semiconductor memory b. Magnetic disks c. Compact disks d. Magnetic tapes
- Is there anything dangerous about changing where a database resides on a server?The number of disks that are put together in a single RAID 5 array may be specified by a database administrator. What are the trade-offs between having fewer disks vs having more disks in terms of cost, longevity, performance after failure, and performance during rebuilding?165. The system which schedules the inputs or outputs of the disk in database is classified as a. operating system b. host system c. client system d. structured system
- Large databases may now be stored in many places using RAID storage.Provide as much information as feasible, and type rather than handwrite.The number of disks that will be used in a single RAID 5 array may be specified by the database administrator. When it comes to cost, lifespan, performance after failure, and performance during rebuild, what are the trade-offs between having fewer discs vs. having more discs?True or False?A software modifies, deletes, and adds data to a database in a direct manner.
- The number of disks that are clustered together in a single RAID 5 array may be specified by the database administrator. Is it better to have fewer disks or more disks? What are the trade-offs between having fewer disks and having more disks in terms of cost, durability, performance during failure, and performance during rebuild?75. In the allocation of file blocks on disk, the clusters are also called a. indexes b. file segments c. extents d. both b and c15. A ______ file system is software that enables multiple computers to share file storage while maintaining consistent space allocation and file content. a. Storage b. Tertiary c. Secondary d. Cluster